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authorBernard Xiong <[email protected]>2018-09-01 12:03:32 +0800
committerBernard Xiong <[email protected]>2018-09-01 12:03:32 +0800
commitab1a220eae0cac577d6d7e0cb63d892620e1cd49 (patch)
treefc6491781a0a037146bb4f2597555a754823add6
parent52761fb9c89efb3fe57b849b484d92b5a388ee65 (diff)
[components] Remove lwP from v3.1.0
-rw-r--r--components/Kconfig2
-rw-r--r--components/lwp/Kconfig7
-rw-r--r--components/lwp/SConscript20
-rw-r--r--components/lwp/arch/arm/cortex-m3/lwp_gcc.S176
-rw-r--r--components/lwp/arch/arm/cortex-m3/lwp_iar.S176
-rw-r--r--components/lwp/arch/arm/cortex-m3/lwp_rvds.S184
-rw-r--r--components/lwp/arch/arm/cortex-m4/lwp_gcc.S210
-rw-r--r--components/lwp/arch/arm/cortex-m4/lwp_iar.S215
-rw-r--r--components/lwp/arch/arm/cortex-m4/lwp_rvds.S219
-rw-r--r--components/lwp/arch/arm/cortex-m7/lwp_gcc.S210
-rw-r--r--components/lwp/arch/arm/cortex-m7/lwp_iar.S215
-rw-r--r--components/lwp/arch/arm/cortex-m7/lwp_rvds.S218
-rw-r--r--components/lwp/lwp.c398
-rw-r--r--components/lwp/lwp.h84
-rw-r--r--components/lwp/lwp_mem.c236
-rw-r--r--components/lwp/lwp_mem.h34
-rw-r--r--components/lwp/lwp_memheap.c590
-rw-r--r--components/lwp/lwp_memheap.h74
-rw-r--r--components/lwp/lwp_syscall.c283
-rw-r--r--components/lwp/lwp_syscall.h78
-rw-r--r--include/rtdef.h11
21 files changed, 4 insertions, 3636 deletions
diff --git a/components/Kconfig b/components/Kconfig
index c221f12df3..327489910b 100644
--- a/components/Kconfig
+++ b/components/Kconfig
@@ -31,8 +31,6 @@ source "$RTT_DIR/components/drivers/Kconfig"
source "$RTT_DIR/components/libc/Kconfig"
-source "$RTT_DIR/components/lwp/Kconfig"
-
source "$RTT_DIR/components/net/Kconfig"
source "$RTT_DIR/components/vbus/Kconfig"
diff --git a/components/lwp/Kconfig b/components/lwp/Kconfig
deleted file mode 100644
index e3f13a3b6d..0000000000
--- a/components/lwp/Kconfig
+++ /dev/null
@@ -1,7 +0,0 @@
-config RT_USING_LWP
- bool "Using light-weight process"
- select RT_USING_DFS
- depends on ARCH_ARM_CORTEX_M
- default n
- help
- The lwP is a light weight process running in user mode.
diff --git a/components/lwp/SConscript b/components/lwp/SConscript
deleted file mode 100644
index f54d9422e1..0000000000
--- a/components/lwp/SConscript
+++ /dev/null
@@ -1,20 +0,0 @@
-Import('rtconfig')
-from building import *
-
-cwd = GetCurrentDir()
-src = []
-CPPPATH = []
-
-support_arch = {"arm": ["cortex-m3", "cortex-m4", "cortex-m7"]}
-platform_file = {'armcc': 'rvds.S', 'gcc': 'gcc.S', 'iar': 'iar.S'}
-
-if rtconfig.PLATFORM in platform_file.keys(): # support platforms
- if rtconfig.ARCH in support_arch.keys() and rtconfig.CPU in support_arch[rtconfig.ARCH]:
- # arch/arm/cortex-m7/lwp_gcc.S
- asm_path = 'arch/' + rtconfig.ARCH + '/' + rtconfig.CPU + '/*_' + platform_file[rtconfig.PLATFORM]
- src = Glob('*.c') + Glob(asm_path)
- CPPPATH = [cwd]
-
-group = DefineGroup('lwP', src, depend = ['RT_USING_LWP'], CPPPATH = CPPPATH)
-
-Return('group')
diff --git a/components/lwp/arch/arm/cortex-m3/lwp_gcc.S b/components/lwp/arch/arm/cortex-m3/lwp_gcc.S
deleted file mode 100644
index 8c866f9990..0000000000
--- a/components/lwp/arch/arm/cortex-m3/lwp_gcc.S
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * File : lwp_gcc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-.cpu cortex-m3
-.syntax unified
-.thumb
-.text
-
-/*
- * void* lwp_get_sys_api(rt_uint32_t number);
- */
-.global lwp_get_sys_api
-.global lwp_get_kernel_sp
-.global lwp_set_kernel_sp
-
-
-/*
- * void lwp_user_entry(u32 R0_text_addr, u32 R1_data_addr);
- */
-.global lwp_user_entry
-.type lwp_user_entry, % function
-lwp_user_entry:
- PUSH {R0 - R1} /* push text&data addr. */
-
- MOV R0, SP /* v1 = SP */
- BL lwp_set_kernel_sp /* lwp_set_kernel_sp(v1) */
-
- POP {R0 - R1} /* pop app address to R1. */
-
- /* set CPU to user-thread mode. */
- MRS R2, CONTROL
- ORR R2, R2, #0x03 /* use PSP, user-thread mode. */
- MSR CONTROL, R2
-
- /* set data address. */
- MOV R9, R1
-
- /* run app, only Thumb-mode. */
- ORR R0, R0, #0x01
- BX R0
-
-/*
- * void SVC_Handler(void);
- */
-.global SVC_Handler
-.type SVC_Handler, % function
-SVC_Handler:
-
- PUSH {LR}
-
- /* get user SP. */
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} /* push app SP. */
- MOV R2, R1
-
- STMFD R2!, {R4 - R11} /* push app R4-R11 to app stack , and R1 not change. */
-
- /* get SVC number. */
- LDR R0, [R1, #24] /* get the app LR. */
- LDRB R0, [R0, #-2] /* get the SVC No. from instruction. */
-
- /* get kernel system API */
- BL lwp_get_sys_api
-
- /* if(api == NULL) return; */
- CMP R0, #0
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- /* push api */
- PUSH {R0}
-
- /* get kernel SP to R0. */
- BL lwp_get_kernel_sp
-
- POP {R2} /* pop api to R2. */
- POP {R1} /* pop app SP to R1. */
-
- /* copy R1(app SP) to R0(server SP). */
- LDMFD R1, {R4 - R11} /* pop exception_stack_frame to r4 - r11 register */
- STMFD R0!, {R4 - R11} /* push exception_stack_frame to server SP. */
-
- POP {LR}
- PUSH {LR}
-
- /* save app SP. */
- PUSH {R0 - R3}
- SUB R0, R1, #0x20 /* keep {R4 - R11} */
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- /* set to thread-privilege mode. */
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- /* call api. */
- LDR R3, = svc_exit
- STR R3, [R0, #20] /* update LR */
- STR R2, [R0, #24] /* update api to PC */
- MSR PSP, R0 /* update stack pointer */
- POP {LR} /* 0xFFFFFFED */
-
- ORR LR, LR, #0x10
-
- BX LR
-
-/*
-* void svc_exit(void);
-*/
-.global svc_exit
-.type svc_exit, % function
-svc_exit:
-
- /* get user SP. */
- PUSH {R0} /* push result to SP. */
- BL lwp_get_kernel_sp
-
- LDMFD R0!, {R4 - R11} /* pop app {R4 - R11} */
-
- ADD R0, R0, #16 /* skip R0-R3 */
- LDMFD R0!, {R12, LR}
- LDMFD R0!, {R1} /* pop PC to R1 */
- LDMFD R0!, {R2} /* pop PSR to R2 */
-
- /* align to 2 words */
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} /* push user-SP to SP */
-
- /* save server SP. */
- ADD R0, SP, #0x08 /* [user-SP, result] */
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} /* pop user-SP to R3 */
- POP {R0} /* restore API result. */
-
- MSR APSR, R2 /* restore PSR */
- MSR PSP, R3 /* restore app stack pointer */
-
- /* restore to PSP & thread-unprivilege mode. */
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- /* return to lwp. */
- ORR R1, R1, #0x01 /* only Thumb-mode. */
- BX R1 /* return to user app. */
diff --git a/components/lwp/arch/arm/cortex-m3/lwp_iar.S b/components/lwp/arch/arm/cortex-m3/lwp_iar.S
deleted file mode 100644
index e00424cbec..0000000000
--- a/components/lwp/arch/arm/cortex-m3/lwp_iar.S
+++ /dev/null
@@ -1,176 +0,0 @@
-;/*
-; * File : lwp_iar.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
-; *
-; * This program is free software; you can redistribute it and/or modify
-; * it under the terms of the GNU General Public License as published by
-; * the Free Software Foundation; either version 2 of the License, or
-; * (at your option) any later version.
-; *
-; * This program is distributed in the hope that it will be useful,
-; * but WITHOUT ANY WARRANTY; without even the implied warranty of
-; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; * GNU General Public License for more details.
-; *
-; * You should have received a copy of the GNU General Public License along
-; * with this program; if not, write to the Free Software Foundation, Inc.,
-; * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-; *
-; * Change Logs:
-; * Date Author Notes
-; */
-
- SECTION .text:CODE(2)
- THUMB
- REQUIRE8
- PRESERVE8
-
-;/*
-; * void* lwp_get_sys_api(rt_uint32_t number);
-; */
- IMPORT lwp_get_sys_api
- IMPORT lwp_get_kernel_sp
- IMPORT lwp_set_kernel_sp
-
-;/*
-; * void lwp_user_entry(u32 R0_text_addr, u32 R1_data_addr);
-; */
- EXPORT lwp_user_entry
-lwp_user_entry:
-
- PUSH {R0-R1} ; push text&data addr.
-
- MOV R0, SP ; v1 = SP
- BL lwp_set_kernel_sp ; lwp_set_kernel_sp(v1)
-
- POP {R0-R1} ; pop app address to R1.
-
- ; set CPU to user-thread mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03 ; use PSP, user-thread mode.
- MSR CONTROL, R2
-
- ; set data address.
- MOV R9, R1
-
- ; run app, only Thumb-mode.
- ORR R0, R0, #0x01
- BX R0
-
-;/*
-; * void SVC_Handler(void);
-; */
- EXPORT SVC_Handler
-SVC_Handler:
-
- PUSH {LR}
-
- ; get user SP.
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} ; push app SP.
- MOV R2, R1
-
- STMFD R2!, {R4 - R11} ; push app R4-R11 to app stack , and R1 not change.
-
- ; get SVC number.
- LDR R0, [R1, #24] ; get the app LR.
- LDRB R0, [R0, #-2] ; get the SVC No. from instruction.
-
- ; get kernel system API
- BL lwp_get_sys_api
-
- ; if(api == NULL) return;
- CMP R0, #0
- ITTT EQ
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- ; push api
- PUSH {R0}
-
- ; get kernel SP to R0.
- BL lwp_get_kernel_sp
-
- POP {R2} ; pop api to R2.
- POP {R1} ; pop app SP to R1.
-
- ; copy R1(app SP) to R0(server SP).
- LDMFD R1, {R4 - R11} ; pop exception_stack_frame to r4 - r11 register
- STMFD R0!, {R4 - R11} ; push exception_stack_frame to server SP.
-
- POP {LR}
- PUSH {LR}
-
- ; save app SP.
- PUSH {R0 - R3}
- SUB R0, R1, #0x20 ; keep {R4 - R11}
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- ; set to thread-privilege mode.
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- ; call api.
- LDR R3, =svc_exit
- STR R3, [R0, #20] ; update LR
- STR R2, [R0, #24] ; update api to PC
- MSR PSP, R0 ; update stack pointer
- POP {LR} ; 0xFFFFFFED
-
- ORR LR, LR, #0x10
-
- BX LR
-
-;/*
-; * void svc_exit(void);
-; */
- EXPORT svc_exit
-svc_exit:
-
- ; get user SP.
- PUSH {R0} ; push result to SP.
- BL lwp_get_kernel_sp
-
- LDMFD R0!, {R4 - R11} ; pop app {R4 - R11}
-
- ADD R0, R0, #16 ; skip R0-R3
- LDMFD R0!, {R12, LR} ;
- LDMFD R0!, {R1} ; pop PC to R1
- LDMFD R0!, {R2} ; pop PSR to R2
-
- ; align to 2 words
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} ; push user-SP to SP
-
- ; save server SP.
- ADD R0, SP, #0x08 ; [user-SP, result]
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} ; pop user-SP to R3
- POP {R0} ; restore API result.
-
- MSR APSR, R2 ; restore PSR
- MSR PSP, R3 ; restore app stack pointer
-
- ; restore to PSP & thread-unprivilege mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- ; return to lwp.
- ORR R1, R1, #0x01 ; only Thumb-mode.
- BX R1 ; return to user app.
-
- END
diff --git a/components/lwp/arch/arm/cortex-m3/lwp_rvds.S b/components/lwp/arch/arm/cortex-m3/lwp_rvds.S
deleted file mode 100644
index 49470ea03a..0000000000
--- a/components/lwp/arch/arm/cortex-m3/lwp_rvds.S
+++ /dev/null
@@ -1,184 +0,0 @@
-;/*
-; * File : lwp_rvds.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
-; *
-; * This program is free software; you can redistribute it and/or modify
-; * it under the terms of the GNU General Public License as published by
-; * the Free Software Foundation; either version 2 of the License, or
-; * (at your option) any later version.
-; *
-; * This program is distributed in the hope that it will be useful,
-; * but WITHOUT ANY WARRANTY; without even the implied warranty of
-; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; * GNU General Public License for more details.
-; *
-; * You should have received a copy of the GNU General Public License along
-; * with this program; if not, write to the Free Software Foundation, Inc.,
-; * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-; *
-; * Change Logs:
-; * Date Author Notes
-; */
-
- AREA |.text|, CODE, READONLY, ALIGN=2
- THUMB
- REQUIRE8
- PRESERVE8
-
-;/*
-; * void* lwp_get_sys_api(rt_uint32_t number);
-; */
- IMPORT lwp_get_sys_api
- IMPORT lwp_get_kernel_sp
- IMPORT lwp_set_kernel_sp
-
-;/*
-; * void lwp_user_entry(args, text, data);
-; */
-lwp_user_entry PROC
- EXPORT lwp_user_entry
-
- PUSH {R0-R3} ; push text&data addr.
-
- MOV R0, SP ; v1 = SP
- BL lwp_set_kernel_sp ; lwp_set_kernel_sp(v1)
-
- ; set CPU to user-thread mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03 ; use PSP, user-thread mode.
- MSR CONTROL, R2
-
- POP {R0-R3} ; pop app address to R1.
- ; set data address.
- MOV R9, R2
-
- ; run app, only Thumb-mode.
- ORR R1, R1, #0x01
- BX R1
-
- ; never reach here!
- ENDP
-
-
-;/*
-; * void SVC_Handler(void);
-; */
-SVC_Handler PROC
- EXPORT SVC_Handler
-
- PUSH {LR}
-
- ; get user SP.
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} ; push app SP.
- MOV R2, R1
-
- STMFD R2!, {R4 - R11} ; push app R4-R11 to app stack , and R1 not change.
-
- ; get SVC number.
- LDR R0, [R1, #24] ; get the app LR.
- LDRB R0, [R0, #-2] ; get the SVC No. from instruction.
-
- ; get kernel system API
- BL lwp_get_sys_api
-
- ; if(api == NULL) return;
- CMP R0, #0
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- ; push api
- PUSH {R0}
-
- ; get kernel SP to R0.
- BL lwp_get_kernel_sp
-
- POP {R2} ; pop api to R2.
- POP {R1} ; pop app SP to R1.
-
- ; copy R1(app SP) to R0(server SP).
- LDMFD R1, {R4 - R11} ; pop exception_stack_frame to r4 - r11 register
- STMFD R0!, {R4 - R11} ; push exception_stack_frame to server SP.
-
- POP {LR}
- PUSH {LR}
-
- ; save app SP.
- PUSH {R0 - R3}
- SUB R0, R1, #0x20 ; keep {R4 - R11}
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- ; set to thread-privilege mode.
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- ; call api.
- LDR R3, =svc_exit
- STR R3, [R0, #20] ; update LR
- STR R2, [R0, #24] ; update api to PC
- MSR PSP, R0 ; update stack pointer
- POP {LR} ; 0xFFFFFFED
-
- ORR LR, LR, #0x10
-
- BX LR
-
- ENDP
-
-;/*
-; * void svc_exit(void);
-; */
-svc_exit PROC
- EXPORT svc_exit
-
- ; get user SP.
- PUSH {R0} ; push result to SP.
- BL lwp_get_kernel_sp
-
- LDMFD R0!, {R4 - R11} ; pop app {R4 - R11}
-
- ADD R0, R0, #16 ; skip R0-R3
- LDMFD R0!, {R12, LR} ;
- LDMFD R0!, {R1} ; pop PC to R1
- LDMFD R0!, {R2} ; pop PSR to R2
-
- ; align to 2 words
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} ; push user-SP to SP
-
- ; save server SP.
- ADD R0, SP, #0x08 ; [user-SP, result]
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} ; pop user-SP to R3
- POP {R0} ; restore API result.
-
- MSR APSR, R2 ; restore PSR
- MSR PSP, R3 ; restore app stack pointer
-
- ; restore to PSP & thread-unprivilege mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- ; return to lwp.
- ORR R1, R1, #0x01 ; only Thumb-mode.
- BX R1 ; return to user app.
-
- ENDP
-
- ALIGN
-
- END
diff --git a/components/lwp/arch/arm/cortex-m4/lwp_gcc.S b/components/lwp/arch/arm/cortex-m4/lwp_gcc.S
deleted file mode 100644
index fd46d6142d..0000000000
--- a/components/lwp/arch/arm/cortex-m4/lwp_gcc.S
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * File : lwp_gcc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-.cpu cortex-m4
-.syntax unified
-.thumb
-.text
-
-/*
- * void* lwp_get_sys_api(rt_uint32_t number);
- */
-.global lwp_get_sys_api
-.global lwp_get_kernel_sp
-.global lwp_set_kernel_sp
-
-
-/*
- * void lwp_user_entry(u32 R0_text_addr, u32 R1_data_addr);
- */
-.global lwp_user_entry
-.type lwp_user_entry, % function
-lwp_user_entry:
- PUSH {R0 - R1} /* push text&data addr. */
-
- MOV R0, SP /* v1 = SP */
- BL lwp_set_kernel_sp /* lwp_set_kernel_sp(v1) */
-
- POP {R0 - R1} /* pop app address to R1. */
-
- /* set CPU to user-thread mode. */
- MRS R2, CONTROL
- ORR R2, R2, #0x03 /* use PSP, user-thread mode. */
- MSR CONTROL, R2
-
- /* set data address. */
- MOV R9, R1
-
- /* run app, only Thumb-mode. */
- ORR R0, R0, #0x01
- BX R0
-
-/*
- * void SVC_Handler(void);
- */
-.global SVC_Handler
-.type SVC_Handler, % function
-SVC_Handler:
-
- PUSH {LR}
-
- /* get user SP. */
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} /* push app SP. */
- MOV R2, R1
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- TST LR, #0x10
- VSTMDBEQ R2!, {D8 - D15}
-#endif
-
- STMFD R2!, {R4 - R11} /* push app R4-R11 to app stack , and R1 not change. */
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- MOV R4, #0x00 /* flag = 0 */
- TST LR, #0x10 /* if(!EXC_RETURN[4]) */
- MOVEQ R4, #0x01 /* flag = 1 */
- STMFD R2!, {R4} /* push flag */
-#endif
-
- /* get SVC number. */
- LDR R0, [R1, #24] /* get the app LR. */
- LDRB R0, [R0, #-2] /* get the SVC No. from instruction. */
-
- /* get kernel system API */
- BL lwp_get_sys_api
-
- /* if(api == NULL) return; */
- CMP R0, #0
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- /* push api */
- PUSH {R0}
-
- /* get kernel SP to R0. */
- BL lwp_get_kernel_sp
-
- POP {R2} /* pop api to R2. */
- POP {R1} /* pop app SP to R1. */
-
- /* copy R1(app SP) to R0(server SP). */
- LDMFD R1, {R4 - R11} /* pop exception_stack_frame to r4 - r11 register */
- STMFD R0!, {R4 - R11} /* push exception_stack_frame to server SP. */
-
- POP {LR}
- PUSH {LR}
-
- /* save app SP. */
- PUSH {R0 - R3}
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- TST LR, #0x10
- SUBEQ R0, R1, #0x64 /* keep {R4 - R11}, {D8-D15}, FLAG */
- SUBNE R0, R1, #0x24 /* keep {R4 - R11}, FLAG */
-#else
- SUB R0, R1, #0x20 /* keep {R4 - R11} */
-#endif
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- /* set to thread-privilege mode. */
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- /* call api. */
- LDR R3, = svc_exit
- STR R3, [R0, #20] /* update LR */
- STR R2, [R0, #24] /* update api to PC */
- MSR PSP, R0 /* update stack pointer */
- POP {LR} /* 0xFFFFFFED */
-
- ORR LR, LR, #0x10
-
- BX LR
-
-/*
-* void svc_exit(void);
-*/
-.global svc_exit
-.type svc_exit, % function
-svc_exit:
-
- /* get user SP. */
- PUSH {R0} /* push result to SP. */
- BL lwp_get_kernel_sp
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- LDMFD R0!, {R3} /* pop flag */
-#endif
-
- LDMFD R0!, {R4 - R11} /* pop app {R4 - R11} */
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- CMP R3, #0 /* if(flag_r3 != 0) */
- VLDMIANE R0!, {D8 - D15} /* pop FPU register s16~s31 */
-#endif
-
- ADD R0, R0, #16 /* skip R0-R3 */
- LDMFD R0!, {R12, LR}
- LDMFD R0!, {R1} /* pop PC to R1 */
- LDMFD R0!, {R2} /* pop PSR to R2 */
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- CMP R3, #0 /* if(flag_r3 != 0) */
- VLDMIANE R0!, {D0 - D7} /* pop FPU register s16~s31 */
- LDMIANE R0!, {R3}
- VMSRNE FPSCR, R3
-#endif
-
- /* align to 2 words */
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} /* push user-SP to SP */
-
- /* save server SP. */
- ADD R0, SP, #0x08 /* [user-SP, result] */
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} /* pop user-SP to R3 */
- POP {R0} /* restore API result. */
-
- MSR APSR, R2 /* restore PSR */
- MSR PSP, R3 /* restore app stack pointer */
-
- /* restore to PSP & thread-unprivilege mode. */
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- /* return to lwp. */
- ORR R1, R1, #0x01 /* only Thumb-mode. */
- BX R1 /* return to user app. */
diff --git a/components/lwp/arch/arm/cortex-m4/lwp_iar.S b/components/lwp/arch/arm/cortex-m4/lwp_iar.S
deleted file mode 100644
index 27ca8778e0..0000000000
--- a/components/lwp/arch/arm/cortex-m4/lwp_iar.S
+++ /dev/null
@@ -1,215 +0,0 @@
-;/*
-; * File : lwp_iar.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
-; *
-; * This program is free software; you can redistribute it and/or modify
-; * it under the terms of the GNU General Public License as published by
-; * the Free Software Foundation; either version 2 of the License, or
-; * (at your option) any later version.
-; *
-; * This program is distributed in the hope that it will be useful,
-; * but WITHOUT ANY WARRANTY; without even the implied warranty of
-; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; * GNU General Public License for more details.
-; *
-; * You should have received a copy of the GNU General Public License along
-; * with this program; if not, write to the Free Software Foundation, Inc.,
-; * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-; *
-; * Change Logs:
-; * Date Author Notes
-; */
-
- SECTION .text:CODE(2)
- THUMB
- REQUIRE8
- PRESERVE8
-
-;/*
-; * void* lwp_get_sys_api(rt_uint32_t number);
-; */
- IMPORT lwp_get_sys_api
- IMPORT lwp_get_kernel_sp
- IMPORT lwp_set_kernel_sp
-
-;/*
-; * void lwp_user_entry(u32 R0_text_addr, u32 R1_data_addr);
-; */
- EXPORT lwp_user_entry
-lwp_user_entry:
-
- PUSH {R0-R1} ; push text&data addr.
-
- MOV R0, SP ; v1 = SP
- BL lwp_set_kernel_sp ; lwp_set_kernel_sp(v1)
-
- POP {R0-R1} ; pop app address to R1.
-
- ; set CPU to user-thread mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03 ; use PSP, user-thread mode.
- MSR CONTROL, R2
-
- ; set data address.
- MOV R9, R1
-
- ; run app, only Thumb-mode.
- ORR R0, R0, #0x01
- BX R0
-
-;/*
-; * void SVC_Handler(void);
-; */
- EXPORT SVC_Handler
-SVC_Handler:
-
- PUSH {LR}
-
- ; get user SP.
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} ; push app SP.
- MOV R2, R1
-
-#if defined ( __ARMVFP__ )
- TST LR, #0x10
- IT EQ
- VSTMDBEQ R2!, {D8 - D15}
-#endif
-
- STMFD R2!, {R4 - R11} ; push app R4-R11 to app stack , and R1 not change.
-
-#if defined ( __ARMVFP__ )
- MOV R4, #0x00 ; flag = 0
- TST LR, #0x10 ; if(!EXC_RETURN[4])
- IT EQ
- MOVEQ R4, #0x01 ; flag = 1
- STMFD R2!, {R4} ; push flag
-#endif
-
- ; get SVC number.
- LDR R0, [R1, #24] ; get the app LR.
- LDRB R0, [R0, #-2] ; get the SVC No. from instruction.
-
- ; get kernel system API
- BL lwp_get_sys_api
-
- ; if(api == NULL) return;
- CMP R0, #0
- ITTT EQ
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- ; push api
- PUSH {R0}
-
- ; get kernel SP to R0.
- BL lwp_get_kernel_sp
-
- POP {R2} ; pop api to R2.
- POP {R1} ; pop app SP to R1.
-
- ; copy R1(app SP) to R0(server SP).
- LDMFD R1, {R4 - R11} ; pop exception_stack_frame to r4 - r11 register
- STMFD R0!, {R4 - R11} ; push exception_stack_frame to server SP.
-
- POP {LR}
- PUSH {LR}
-
- ; save app SP.
- PUSH {R0 - R3}
-#if defined ( __ARMVFP__ )
- TST LR, #0x10
- ITE EQ
- SUBEQ R0, R1, #0x64 ; keep {R4 - R11}, {D8-D15}, FLAG
- SUBNE R0, R1, #0x24 ; keep {R4 - R11}, FLAG
-#else
- SUB R0, R1, #0x20 ; keep {R4 - R11}
-#endif
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- ; set to thread-privilege mode.
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- ; call api.
- LDR R3, =svc_exit
- STR R3, [R0, #20] ; update LR
- STR R2, [R0, #24] ; update api to PC
- MSR PSP, R0 ; update stack pointer
- POP {LR} ; 0xFFFFFFED
-
- ORR LR, LR, #0x10
-
- BX LR
-
-;/*
-; * void svc_exit(void);
-; */
- EXPORT svc_exit
-svc_exit:
-
- ; get user SP.
- PUSH {R0} ; push result to SP.
- BL lwp_get_kernel_sp
-
-#if defined ( __ARMVFP__ )
- LDMFD R0!, {R3} ; pop flag
-#endif
-
- LDMFD R0!, {R4 - R11} ; pop app {R4 - R11}
-
-#if defined ( __ARMVFP__ )
- CMP R3, #0 ; if(flag_r3 != 0)
- IT NE
- VLDMIANE R0!, {D8 - D15} ; pop FPU register s16~s31
-#endif
-
- ADD R0, R0, #16 ; skip R0-R3
- LDMFD R0!, {R12, LR} ;
- LDMFD R0!, {R1} ; pop PC to R1
- LDMFD R0!, {R2} ; pop PSR to R2
-
-#if defined ( __ARMVFP__ )
- CMP R3, #0 ; if(flag_r3 != 0)
- ITTT NE
- VLDMIANE R0!, {D0 - D7} ; pop FPU register s16~s31
- LDMIANE R0!, {R3}
- VMSRNE FPSCR, R3
-#endif
-
- ; align to 2 words
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} ; push user-SP to SP
-
- ; save server SP.
- ADD R0, SP, #0x08 ; [user-SP, result]
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} ; pop user-SP to R3
- POP {R0} ; restore API result.
-
- MSR APSR, R2 ; restore PSR
- MSR PSP, R3 ; restore app stack pointer
-
- ; restore to PSP & thread-unprivilege mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- ; return to lwp.
- ORR R1, R1, #0x01 ; only Thumb-mode.
- BX R1 ; return to user app.
-
- END
diff --git a/components/lwp/arch/arm/cortex-m4/lwp_rvds.S b/components/lwp/arch/arm/cortex-m4/lwp_rvds.S
deleted file mode 100644
index 42fad954ce..0000000000
--- a/components/lwp/arch/arm/cortex-m4/lwp_rvds.S
+++ /dev/null
@@ -1,219 +0,0 @@
-;/*
-; * File : lwp_rvds.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
-; *
-; * This program is free software; you can redistribute it and/or modify
-; * it under the terms of the GNU General Public License as published by
-; * the Free Software Foundation; either version 2 of the License, or
-; * (at your option) any later version.
-; *
-; * This program is distributed in the hope that it will be useful,
-; * but WITHOUT ANY WARRANTY; without even the implied warranty of
-; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; * GNU General Public License for more details.
-; *
-; * You should have received a copy of the GNU General Public License along
-; * with this program; if not, write to the Free Software Foundation, Inc.,
-; * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-; *
-; * Change Logs:
-; * Date Author Notes
-; */
-
- AREA |.text|, CODE, READONLY, ALIGN=2
- THUMB
- REQUIRE8
- PRESERVE8
-
-;/*
-; * void* lwp_get_sys_api(rt_uint32_t number);
-; */
- IMPORT lwp_get_sys_api
- IMPORT lwp_get_kernel_sp
- IMPORT lwp_set_kernel_sp
-
-;/*
-; * void lwp_user_entry(args, text, data);
-; */
-lwp_user_entry PROC
- EXPORT lwp_user_entry
-
- PUSH {R0-R3} ; push text&data addr.
-
- MOV R0, SP ; v1 = SP
- BL lwp_set_kernel_sp ; lwp_set_kernel_sp(v1)
-
- ; set CPU to user-thread mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03 ; use PSP, user-thread mode.
- MSR CONTROL, R2
-
- POP {R0-R3} ; pop app address to R1.
- ; set data address.
- MOV R9, R2
-
- ; run app, only Thumb-mode.
- ORR R1, R1, #0x01
- BX R1
-
- ; never reach here!
- ENDP
-
-
-;/*
-; * void SVC_Handler(void);
-; */
-SVC_Handler PROC
- EXPORT SVC_Handler
-
- PUSH {LR}
-
- ; get user SP.
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} ; push app SP.
- MOV R2, R1
-
- IF {FPU} != "SoftVFP"
- TST LR, #0x10
- VSTMFDEQ R2!, {D8 - D15}
- ENDIF
-
- STMFD R2!, {R4 - R11} ; push app R4-R11 to app stack , and R1 not change.
-
- IF {FPU} != "SoftVFP"
- MOV R4, #0x00 ; flag = 0
- TST LR, #0x10 ; if(!EXC_RETURN[4])
- MOVEQ R4, #0x01 ; flag = 1
- STMFD R2!, {R4} ; push flag
- ENDIF
-
- ; get SVC number.
- LDR R0, [R1, #24] ; get the app LR.
- LDRB R0, [R0, #-2] ; get the SVC No. from instruction.
-
- ; get kernel system API
- BL lwp_get_sys_api
-
- ; if(api == NULL) return;
- CMP R0, #0
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- ; push api
- PUSH {R0}
-
- ; get kernel SP to R0.
- BL lwp_get_kernel_sp
-
- POP {R2} ; pop api to R2.
- POP {R1} ; pop app SP to R1.
-
- ; copy R1(app SP) to R0(server SP).
- LDMFD R1, {R4 - R11} ; pop exception_stack_frame to r4 - r11 register
- STMFD R0!, {R4 - R11} ; push exception_stack_frame to server SP.
-
- POP {LR}
- PUSH {LR}
-
- ; save app SP.
- PUSH {R0 - R3}
- IF {FPU} != "SoftVFP"
- TST LR, #0x10
- SUBEQ R0, R1, #0x64 ; keep {R4 - R11}, {D8-D15}, FLAG
- SUBNE R0, R1, #0x24 ; keep {R4 - R11}, FLAG
- ELSE
- SUB R0, R1, #0x20 ; keep {R4 - R11}
- ENDIF
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- ; set to thread-privilege mode.
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- ; call api.
- LDR R3, =svc_exit
- STR R3, [R0, #20] ; update LR
- STR R2, [R0, #24] ; update api to PC
- MSR PSP, R0 ; update stack pointer
- POP {LR} ; 0xFFFFFFED
-
- ORR LR, LR, #0x10
-
- BX LR
-
- ENDP
-
-;/*
-; * void svc_exit(void);
-; */
-svc_exit PROC
- EXPORT svc_exit
-
- ; get user SP.
- PUSH {R0} ; push result to SP.
- BL lwp_get_kernel_sp
-
- IF {FPU} != "SoftVFP"
- LDMFD R0!, {R3} ; pop flag
- ENDIF
-
- LDMFD R0!, {R4 - R11} ; pop app {R4 - R11}
-
- IF {FPU} != "SoftVFP"
- CMP R3, #0 ; if(flag_r3 != 0)
- VLDMFDNE R0!, {D8 - D15} ; pop FPU register s16~s31
- ENDIF
-
- ADD R0, R0, #16 ; skip R0-R3
- LDMFD R0!, {R12, LR} ;
- LDMFD R0!, {R1} ; pop PC to R1
- LDMFD R0!, {R2} ; pop PSR to R2
-
- IF {FPU} != "SoftVFP"
- CMP R3, #0 ; if(flag_r3 != 0)
- VLDMFDNE R0!, {D0 - D7} ; pop FPU register s16~s31
- LDMFDNE R0!, {R3}
- VMSRNE FPSCR, R3
-
- ENDIF
-
- ; align to 2 words
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} ; push user-SP to SP
-
- ; save server SP.
- ADD R0, SP, #0x08 ; [user-SP, result]
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} ; pop user-SP to R3
- POP {R0} ; restore API result.
-
- MSR APSR, R2 ; restore PSR
- MSR PSP, R3 ; restore app stack pointer
-
- ; restore to PSP & thread-unprivilege mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- ; return to lwp.
- ORR R1, R1, #0x01 ; only Thumb-mode.
- BX R1 ; return to user app.
-
- ENDP
-
- ALIGN
-
- END
diff --git a/components/lwp/arch/arm/cortex-m7/lwp_gcc.S b/components/lwp/arch/arm/cortex-m7/lwp_gcc.S
deleted file mode 100644
index fd46d6142d..0000000000
--- a/components/lwp/arch/arm/cortex-m7/lwp_gcc.S
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * File : lwp_gcc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-.cpu cortex-m4
-.syntax unified
-.thumb
-.text
-
-/*
- * void* lwp_get_sys_api(rt_uint32_t number);
- */
-.global lwp_get_sys_api
-.global lwp_get_kernel_sp
-.global lwp_set_kernel_sp
-
-
-/*
- * void lwp_user_entry(u32 R0_text_addr, u32 R1_data_addr);
- */
-.global lwp_user_entry
-.type lwp_user_entry, % function
-lwp_user_entry:
- PUSH {R0 - R1} /* push text&data addr. */
-
- MOV R0, SP /* v1 = SP */
- BL lwp_set_kernel_sp /* lwp_set_kernel_sp(v1) */
-
- POP {R0 - R1} /* pop app address to R1. */
-
- /* set CPU to user-thread mode. */
- MRS R2, CONTROL
- ORR R2, R2, #0x03 /* use PSP, user-thread mode. */
- MSR CONTROL, R2
-
- /* set data address. */
- MOV R9, R1
-
- /* run app, only Thumb-mode. */
- ORR R0, R0, #0x01
- BX R0
-
-/*
- * void SVC_Handler(void);
- */
-.global SVC_Handler
-.type SVC_Handler, % function
-SVC_Handler:
-
- PUSH {LR}
-
- /* get user SP. */
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} /* push app SP. */
- MOV R2, R1
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- TST LR, #0x10
- VSTMDBEQ R2!, {D8 - D15}
-#endif
-
- STMFD R2!, {R4 - R11} /* push app R4-R11 to app stack , and R1 not change. */
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- MOV R4, #0x00 /* flag = 0 */
- TST LR, #0x10 /* if(!EXC_RETURN[4]) */
- MOVEQ R4, #0x01 /* flag = 1 */
- STMFD R2!, {R4} /* push flag */
-#endif
-
- /* get SVC number. */
- LDR R0, [R1, #24] /* get the app LR. */
- LDRB R0, [R0, #-2] /* get the SVC No. from instruction. */
-
- /* get kernel system API */
- BL lwp_get_sys_api
-
- /* if(api == NULL) return; */
- CMP R0, #0
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- /* push api */
- PUSH {R0}
-
- /* get kernel SP to R0. */
- BL lwp_get_kernel_sp
-
- POP {R2} /* pop api to R2. */
- POP {R1} /* pop app SP to R1. */
-
- /* copy R1(app SP) to R0(server SP). */
- LDMFD R1, {R4 - R11} /* pop exception_stack_frame to r4 - r11 register */
- STMFD R0!, {R4 - R11} /* push exception_stack_frame to server SP. */
-
- POP {LR}
- PUSH {LR}
-
- /* save app SP. */
- PUSH {R0 - R3}
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- TST LR, #0x10
- SUBEQ R0, R1, #0x64 /* keep {R4 - R11}, {D8-D15}, FLAG */
- SUBNE R0, R1, #0x24 /* keep {R4 - R11}, FLAG */
-#else
- SUB R0, R1, #0x20 /* keep {R4 - R11} */
-#endif
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- /* set to thread-privilege mode. */
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- /* call api. */
- LDR R3, = svc_exit
- STR R3, [R0, #20] /* update LR */
- STR R2, [R0, #24] /* update api to PC */
- MSR PSP, R0 /* update stack pointer */
- POP {LR} /* 0xFFFFFFED */
-
- ORR LR, LR, #0x10
-
- BX LR
-
-/*
-* void svc_exit(void);
-*/
-.global svc_exit
-.type svc_exit, % function
-svc_exit:
-
- /* get user SP. */
- PUSH {R0} /* push result to SP. */
- BL lwp_get_kernel_sp
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- LDMFD R0!, {R3} /* pop flag */
-#endif
-
- LDMFD R0!, {R4 - R11} /* pop app {R4 - R11} */
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- CMP R3, #0 /* if(flag_r3 != 0) */
- VLDMIANE R0!, {D8 - D15} /* pop FPU register s16~s31 */
-#endif
-
- ADD R0, R0, #16 /* skip R0-R3 */
- LDMFD R0!, {R12, LR}
- LDMFD R0!, {R1} /* pop PC to R1 */
- LDMFD R0!, {R2} /* pop PSR to R2 */
-
-#if defined (__VFP_FP__) && !defined(__SOFTFP__)
- CMP R3, #0 /* if(flag_r3 != 0) */
- VLDMIANE R0!, {D0 - D7} /* pop FPU register s16~s31 */
- LDMIANE R0!, {R3}
- VMSRNE FPSCR, R3
-#endif
-
- /* align to 2 words */
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} /* push user-SP to SP */
-
- /* save server SP. */
- ADD R0, SP, #0x08 /* [user-SP, result] */
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} /* pop user-SP to R3 */
- POP {R0} /* restore API result. */
-
- MSR APSR, R2 /* restore PSR */
- MSR PSP, R3 /* restore app stack pointer */
-
- /* restore to PSP & thread-unprivilege mode. */
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- /* return to lwp. */
- ORR R1, R1, #0x01 /* only Thumb-mode. */
- BX R1 /* return to user app. */
diff --git a/components/lwp/arch/arm/cortex-m7/lwp_iar.S b/components/lwp/arch/arm/cortex-m7/lwp_iar.S
deleted file mode 100644
index 27ca8778e0..0000000000
--- a/components/lwp/arch/arm/cortex-m7/lwp_iar.S
+++ /dev/null
@@ -1,215 +0,0 @@
-;/*
-; * File : lwp_iar.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
-; *
-; * This program is free software; you can redistribute it and/or modify
-; * it under the terms of the GNU General Public License as published by
-; * the Free Software Foundation; either version 2 of the License, or
-; * (at your option) any later version.
-; *
-; * This program is distributed in the hope that it will be useful,
-; * but WITHOUT ANY WARRANTY; without even the implied warranty of
-; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; * GNU General Public License for more details.
-; *
-; * You should have received a copy of the GNU General Public License along
-; * with this program; if not, write to the Free Software Foundation, Inc.,
-; * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-; *
-; * Change Logs:
-; * Date Author Notes
-; */
-
- SECTION .text:CODE(2)
- THUMB
- REQUIRE8
- PRESERVE8
-
-;/*
-; * void* lwp_get_sys_api(rt_uint32_t number);
-; */
- IMPORT lwp_get_sys_api
- IMPORT lwp_get_kernel_sp
- IMPORT lwp_set_kernel_sp
-
-;/*
-; * void lwp_user_entry(u32 R0_text_addr, u32 R1_data_addr);
-; */
- EXPORT lwp_user_entry
-lwp_user_entry:
-
- PUSH {R0-R1} ; push text&data addr.
-
- MOV R0, SP ; v1 = SP
- BL lwp_set_kernel_sp ; lwp_set_kernel_sp(v1)
-
- POP {R0-R1} ; pop app address to R1.
-
- ; set CPU to user-thread mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03 ; use PSP, user-thread mode.
- MSR CONTROL, R2
-
- ; set data address.
- MOV R9, R1
-
- ; run app, only Thumb-mode.
- ORR R0, R0, #0x01
- BX R0
-
-;/*
-; * void SVC_Handler(void);
-; */
- EXPORT SVC_Handler
-SVC_Handler:
-
- PUSH {LR}
-
- ; get user SP.
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} ; push app SP.
- MOV R2, R1
-
-#if defined ( __ARMVFP__ )
- TST LR, #0x10
- IT EQ
- VSTMDBEQ R2!, {D8 - D15}
-#endif
-
- STMFD R2!, {R4 - R11} ; push app R4-R11 to app stack , and R1 not change.
-
-#if defined ( __ARMVFP__ )
- MOV R4, #0x00 ; flag = 0
- TST LR, #0x10 ; if(!EXC_RETURN[4])
- IT EQ
- MOVEQ R4, #0x01 ; flag = 1
- STMFD R2!, {R4} ; push flag
-#endif
-
- ; get SVC number.
- LDR R0, [R1, #24] ; get the app LR.
- LDRB R0, [R0, #-2] ; get the SVC No. from instruction.
-
- ; get kernel system API
- BL lwp_get_sys_api
-
- ; if(api == NULL) return;
- CMP R0, #0
- ITTT EQ
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- ; push api
- PUSH {R0}
-
- ; get kernel SP to R0.
- BL lwp_get_kernel_sp
-
- POP {R2} ; pop api to R2.
- POP {R1} ; pop app SP to R1.
-
- ; copy R1(app SP) to R0(server SP).
- LDMFD R1, {R4 - R11} ; pop exception_stack_frame to r4 - r11 register
- STMFD R0!, {R4 - R11} ; push exception_stack_frame to server SP.
-
- POP {LR}
- PUSH {LR}
-
- ; save app SP.
- PUSH {R0 - R3}
-#if defined ( __ARMVFP__ )
- TST LR, #0x10
- ITE EQ
- SUBEQ R0, R1, #0x64 ; keep {R4 - R11}, {D8-D15}, FLAG
- SUBNE R0, R1, #0x24 ; keep {R4 - R11}, FLAG
-#else
- SUB R0, R1, #0x20 ; keep {R4 - R11}
-#endif
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- ; set to thread-privilege mode.
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- ; call api.
- LDR R3, =svc_exit
- STR R3, [R0, #20] ; update LR
- STR R2, [R0, #24] ; update api to PC
- MSR PSP, R0 ; update stack pointer
- POP {LR} ; 0xFFFFFFED
-
- ORR LR, LR, #0x10
-
- BX LR
-
-;/*
-; * void svc_exit(void);
-; */
- EXPORT svc_exit
-svc_exit:
-
- ; get user SP.
- PUSH {R0} ; push result to SP.
- BL lwp_get_kernel_sp
-
-#if defined ( __ARMVFP__ )
- LDMFD R0!, {R3} ; pop flag
-#endif
-
- LDMFD R0!, {R4 - R11} ; pop app {R4 - R11}
-
-#if defined ( __ARMVFP__ )
- CMP R3, #0 ; if(flag_r3 != 0)
- IT NE
- VLDMIANE R0!, {D8 - D15} ; pop FPU register s16~s31
-#endif
-
- ADD R0, R0, #16 ; skip R0-R3
- LDMFD R0!, {R12, LR} ;
- LDMFD R0!, {R1} ; pop PC to R1
- LDMFD R0!, {R2} ; pop PSR to R2
-
-#if defined ( __ARMVFP__ )
- CMP R3, #0 ; if(flag_r3 != 0)
- ITTT NE
- VLDMIANE R0!, {D0 - D7} ; pop FPU register s16~s31
- LDMIANE R0!, {R3}
- VMSRNE FPSCR, R3
-#endif
-
- ; align to 2 words
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} ; push user-SP to SP
-
- ; save server SP.
- ADD R0, SP, #0x08 ; [user-SP, result]
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} ; pop user-SP to R3
- POP {R0} ; restore API result.
-
- MSR APSR, R2 ; restore PSR
- MSR PSP, R3 ; restore app stack pointer
-
- ; restore to PSP & thread-unprivilege mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- ; return to lwp.
- ORR R1, R1, #0x01 ; only Thumb-mode.
- BX R1 ; return to user app.
-
- END
diff --git a/components/lwp/arch/arm/cortex-m7/lwp_rvds.S b/components/lwp/arch/arm/cortex-m7/lwp_rvds.S
deleted file mode 100644
index 6c310a3632..0000000000
--- a/components/lwp/arch/arm/cortex-m7/lwp_rvds.S
+++ /dev/null
@@ -1,218 +0,0 @@
-;/*
-; * File : lwp_rvds.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
-; *
-; * This program is free software; you can redistribute it and/or modify
-; * it under the terms of the GNU General Public License as published by
-; * the Free Software Foundation; either version 2 of the License, or
-; * (at your option) any later version.
-; *
-; * This program is distributed in the hope that it will be useful,
-; * but WITHOUT ANY WARRANTY; without even the implied warranty of
-; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; * GNU General Public License for more details.
-; *
-; * You should have received a copy of the GNU General Public License along
-; * with this program; if not, write to the Free Software Foundation, Inc.,
-; * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-; *
-; * Change Logs:
-; * Date Author Notes
-; */
-
- AREA |.text|, CODE, READONLY, ALIGN=2
- THUMB
- REQUIRE8
- PRESERVE8
-
-;/*
-; * void* lwp_get_sys_api(rt_uint32_t number);
-; */
- IMPORT lwp_get_sys_api
- IMPORT lwp_get_kernel_sp
- IMPORT lwp_set_kernel_sp
-
-;/*
-; * void lwp_user_entry(args, text, data);
-; */
-lwp_user_entry PROC
- EXPORT lwp_user_entry
-
- PUSH {R0-R3} ; push text&data addr.
-
- MOV R0, SP ; v1 = SP
- BL lwp_set_kernel_sp ; lwp_set_kernel_sp(v1)
-
- ; set CPU to user-thread mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03 ; use PSP, user-thread mode.
- MSR CONTROL, R2
-
- POP {R0-R3} ; pop app address to R1.
- ; set data address.
- MOV R9, R2
-
- ; run app, only Thumb-mode.
- ORR R1, R1, #0x01
- BX R1
-
- ; never reach here!
- ENDP
-
-;/*
-; * void SVC_Handler(void);
-; */
-SVC_Handler PROC
- EXPORT SVC_Handler
-
- PUSH {LR}
-
- ; get user SP.
- TST LR, #0x4
- ITE EQ
- MRSEQ R1, MSP
- MRSNE R1, PSP
-
- PUSH {R1} ; push app SP.
- MOV R2, R1
-
- IF {FPU} != "SoftVFP"
- TST LR, #0x10
- VSTMFDEQ R2!, {D8 - D15}
- ENDIF
-
- STMFD R2!, {R4 - R11} ; push app R4-R11 to app stack , and R1 not change.
-
- IF {FPU} != "SoftVFP"
- MOV R4, #0x00 ; flag = 0
- TST LR, #0x10 ; if(!EXC_RETURN[4])
- MOVEQ R4, #0x01 ; flag = 1
- STMFD R2!, {R4} ; push flag
- ENDIF
-
- ; get SVC number.
- LDR R0, [R1, #24] ; get the app LR.
- LDRB R0, [R0, #-2] ; get the SVC No. from instruction.
-
- ; get kernel system API
- BL lwp_get_sys_api
-
- ; if(api == NULL) return;
- CMP R0, #0
- POPEQ {R1}
- POPEQ {LR}
- BXEQ LR
-
- ; push api
- PUSH {R0}
-
- ; get kernel SP to R0.
- BL lwp_get_kernel_sp
-
- POP {R2} ; pop api to R2.
- POP {R1} ; pop app SP to R1.
-
- ; copy R1(app SP) to R0(server SP).
- LDMFD R1, {R4 - R11} ; pop exception_stack_frame to r4 - r11 register
- STMFD R0!, {R4 - R11} ; push exception_stack_frame to server SP.
-
- POP {LR}
- PUSH {LR}
-
- ; save app SP.
- PUSH {R0 - R3}
- IF {FPU} != "SoftVFP"
- TST LR, #0x10
- SUBEQ R0, R1, #0x64 ; keep {R4 - R11}, {D8-D15}, FLAG
- SUBNE R0, R1, #0x24 ; keep {R4 - R11}, FLAG
- ELSE
- SUB R0, R1, #0x20 ; keep {R4 - R11}
- ENDIF
- BL lwp_set_kernel_sp
- POP {R0 - R3}
-
- ; set to thread-privilege mode.
- MRS R3, CONTROL
- BIC R3, R3, #0x01
- ORR R3, R3, #0x02
- MSR CONTROL, R3
-
- ; call api.
- LDR R3, =svc_exit
- STR R3, [R0, #20] ; update LR
- STR R2, [R0, #24] ; update api to PC
- MSR PSP, R0 ; update stack pointer
- POP {LR} ; 0xFFFFFFED
-
- ORR LR, LR, #0x10
-
- BX LR
-
- ENDP
-
-;/*
-; * void svc_exit(void);
-; */
-svc_exit PROC
- EXPORT svc_exit
-
- ; get user SP.
- PUSH {R0} ; push result to SP.
- BL lwp_get_kernel_sp
-
- IF {FPU} != "SoftVFP"
- LDMFD R0!, {R3} ; pop flag
- ENDIF
-
- LDMFD R0!, {R4 - R11} ; pop app {R4 - R11}
-
- IF {FPU} != "SoftVFP"
- CMP R3, #0 ; if(flag_r3 != 0)
- VLDMFDNE R0!, {D8 - D15} ; pop FPU register s16~s31
- ENDIF
-
- ADD R0, R0, #16 ; skip R0-R3
- LDMFD R0!, {R12, LR} ;
- LDMFD R0!, {R1} ; pop PC to R1
- LDMFD R0!, {R2} ; pop PSR to R2
-
- IF {FPU} != "SoftVFP"
- CMP R3, #0 ; if(flag_r3 != 0)
- VLDMFDNE R0!, {D0 - D7} ; pop FPU register s16~s31
- LDMFDNE R0!, {R3}
- VMSRNE FPSCR, R3
-
- ENDIF
-
- ; align to 2 words
- ADD R0, R0, #0x07
- BIC R0, R0, #0x07
- PUSH {R0} ; push user-SP to SP
-
- ; save server SP.
- ADD R0, SP, #0x08 ; [user-SP, result]
- PUSH {R1 - R2, LR}
- BL lwp_set_kernel_sp
- POP {R1 - R2, LR}
-
- POP {R3} ; pop user-SP to R3
- POP {R0} ; restore API result.
-
- MSR APSR, R2 ; restore PSR
- MSR PSP, R3 ; restore app stack pointer
-
- ; restore to PSP & thread-unprivilege mode.
- MRS R2, CONTROL
- ORR R2, R2, #0x03
- MSR CONTROL, R2
-
- ; return to lwp.
- ORR R1, R1, #0x01 ; only Thumb-mode.
- BX R1 ; return to user app.
-
- ENDP
-
- ALIGN
-
- END
diff --git a/components/lwp/lwp.c b/components/lwp/lwp.c
deleted file mode 100644
index 0bfeb4b103..0000000000
--- a/components/lwp/lwp.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- * File : clock.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-#include <rtthread.h>
-#include <rthw.h>
-#include <dfs_posix.h>
-
-#ifndef RT_USING_DFS
- #error "lwp need file system(RT_USING_DFS)"
-#endif
-
-#include "lwp.h"
-
-#define DBG_ENABLE
-#define DBG_SECTION_NAME "LWP"
-#define DBG_COLOR
-#define DBG_LEVEL DBG_WARNING
-#include <rtdbg.h>
-
-extern rt_thread_t rt_current_thread;
-extern void lwp_user_entry(void *args, const void *text, void *data);
-
-/**
- * RT-Thread light-weight process
- */
-void lwp_set_kernel_sp(uint32_t *sp)
-{
- struct rt_lwp *user_data;
- user_data = (struct rt_lwp *)rt_current_thread->lwp;
- user_data->kernel_sp = sp;
-}
-
-uint32_t *lwp_get_kernel_sp(void)
-{
- struct rt_lwp *user_data;
- user_data = (struct rt_lwp *)rt_current_thread->lwp;
-
- return user_data->kernel_sp;
-}
-
-static int lwp_argscopy(struct rt_lwp *lwp, int argc, char **argv)
-{
- int size = sizeof(int)*3; /* store argc, argv, NULL */
- int *args;
- char *str;
- char **new_argv;
- int i;
- int len;
-
- for (i = 0; i < argc; i ++)
- {
- size += (rt_strlen(argv[i]) + 1);
- }
- size += (sizeof(int) * argc);
-
- args = (int*)rt_malloc(size);
- if (args == RT_NULL)
- return -1;
-
- str = (char*)((int)args + (argc + 3) * sizeof(int));
- new_argv = (char**)&args[2];
- args[0] = argc;
- args[1] = (int)new_argv;
-
- for (i = 0; i < argc; i ++)
- {
- len = rt_strlen(argv[i]) + 1;
- new_argv[i] = str;
- rt_memcpy(str, argv[i], len);
- str += len;
- }
- new_argv[i] = 0;
- lwp->args = args;
-
- return 0;
-}
-
-static int lwp_load(const char *filename, struct rt_lwp *lwp, uint8_t *load_addr, size_t addr_size)
-{
- int fd;
- uint8_t *ptr;
- int result = RT_EOK;
- int nbytes;
- struct lwp_header header;
- struct lwp_chunk chunk;
-
- /* check file name */
- RT_ASSERT(filename != RT_NULL);
- /* check lwp control block */
- RT_ASSERT(lwp != RT_NULL);
-
- if (load_addr != RT_NULL)
- {
- lwp->lwp_type = LWP_TYPE_FIX_ADDR;
- ptr = load_addr;
- }
- else
- {
- lwp->lwp_type = LWP_TYPE_DYN_ADDR;
- ptr = RT_NULL;
- }
-
- /* open lwp */
- fd = open(filename, 0, O_RDONLY);
- if (fd < 0)
- {
- dbg_log(DBG_ERROR, "open file:%s failed!\n", filename);
- result = -RT_ENOSYS;
- goto _exit;
- }
-
- /* read lwp header */
- nbytes = read(fd, &header, sizeof(struct lwp_header));
- if (nbytes != sizeof(struct lwp_header))
- {
- dbg_log(DBG_ERROR, "read lwp header return error size: %d!\n", nbytes);
- result = -RT_EIO;
- goto _exit;
- }
-
- /* check file header */
- if (header.magic != LWP_MAGIC)
- {
- dbg_log(DBG_ERROR, "erro header magic number: 0x%02X\n", header.magic);
- result = -RT_EINVAL;
- goto _exit;
- }
-
- /* read text chunk info */
- nbytes = read(fd, &chunk, sizeof(struct lwp_chunk));
- if (nbytes != sizeof(struct lwp_chunk))
- {
- dbg_log(DBG_ERROR, "read text chunk info failed!\n");
- result = -RT_EIO;
- goto _exit;
- }
-
- dbg_log(DBG_LOG, "chunk name: %s, total len %d, data %d, need space %d!\n",
- "text", /*chunk.name*/ chunk.total_len, chunk.data_len, chunk.data_len_space);
-
- /* load text */
- {
- lwp->text_size = RT_ALIGN(chunk.data_len_space, 4);
- if (load_addr)
- lwp->text_entry = ptr;
- else
- {
-#ifdef RT_USING_CACHE
- lwp->text_entry = (rt_uint8_t *)rt_malloc_align(lwp->text_size, RT_CPU_CACHE_LINE_SZ);
-#else
- lwp->text_entry = (rt_uint8_t *)rt_malloc(lwp->text_size);
-#endif
-
- if (lwp->text_entry == RT_NULL)
- {
- dbg_log(DBG_ERROR, "alloc text memory faild!\n");
- result = -RT_ENOMEM;
- goto _exit;
- }
- else
- {
- dbg_log(DBG_LOG, "lwp text malloc : %p, size: %d!\n", lwp->text_entry, lwp->text_size);
- }
- }
- dbg_log(DBG_INFO, "load text %d => (0x%08x, 0x%08x)\n", lwp->text_size, (uint32_t)lwp->text_entry, (uint32_t)lwp->text_entry + lwp->text_size);
-
- nbytes = read(fd, lwp->text_entry, chunk.data_len);
- if (nbytes != chunk.data_len)
- {
- dbg_log(DBG_ERROR, "read text region from file failed!\n");
- result = -RT_EIO;
- goto _exit;
- }
-#ifdef RT_USING_CACHE
- else
- {
- rt_hw_cpu_dcache_ops(RT_HW_CACHE_FLUSH, lwp->text_entry, lwp->text_size);
- rt_hw_cpu_icache_ops(RT_HW_CACHE_INVALIDATE, lwp->text_entry, lwp->text_size);
- }
-#endif
-
- if (ptr != RT_NULL) ptr += nbytes;
-
- /* skip text hole */
- if ((chunk.total_len - sizeof(struct lwp_chunk) - chunk.data_len))
- {
- dbg_log(DBG_LOG, "skip text hole %d!\n", (chunk.total_len - sizeof(struct lwp_chunk) - chunk.data_len));
- lseek(fd, (chunk.total_len - sizeof(struct lwp_chunk) - chunk.data_len), SEEK_CUR);
- }
- }
-
- /* load data */
- nbytes = read(fd, &chunk, sizeof(struct lwp_chunk));
- if (nbytes != sizeof(struct lwp_chunk))
- {
- dbg_log(DBG_ERROR, "read data chunk info failed!\n");
- result = -RT_EIO;
- goto _exit;
- }
-
- dbg_log(DBG_LOG, "chunk name: %s, total len %d, data %d, need space %d!\n",
- chunk.name, chunk.total_len, chunk.data_len, chunk.data_len_space);
-
- {
- lwp->data_size = RT_ALIGN(chunk.data_len_space, 4);
- if (load_addr)
- lwp->data = ptr;
- else
- {
- lwp->data = rt_malloc(lwp->data_size);
- if (lwp->data == RT_NULL)
- {
- dbg_log(DBG_ERROR, "alloc data memory faild!\n");
- result = -RT_ENOMEM;
- goto _exit;
- }
- else
- {
- dbg_log(DBG_LOG, "lwp data malloc : %p, size: %d!\n", lwp->data, lwp->data_size);
- rt_memset(lwp->data, 0, lwp->data_size);
- }
- }
-
- dbg_log(DBG_INFO, "load data %d => (0x%08x, 0x%08x)\n", lwp->data_size, (uint32_t)lwp->data, (uint32_t)lwp->data + lwp->data_size);
- nbytes = read(fd, lwp->data, chunk.data_len);
- if (nbytes != chunk.data_len)
- {
- dbg_log(DBG_ERROR, "read data region from file failed!\n");
- result = -RT_ERROR;
- goto _exit;
- }
- }
-
-_exit:
- if (fd >= 0)
- close(fd);
-
- if (result != RT_EOK)
- {
- if (lwp->lwp_type == LWP_TYPE_DYN_ADDR)
- {
- dbg_log(DBG_ERROR, "lwp dynamic load faild, %d\n", result);
- if (lwp->text_entry)
- {
- dbg_log(DBG_LOG, "lwp text free: %p\n", lwp->text_entry);
-#ifdef RT_USING_CACHE
- rt_free_align(lwp->text_entry);
-#else
- rt_free(lwp->text_entry);
-#endif
- }
- if (lwp->data)
- {
- dbg_log(DBG_LOG, "lwp data free: %p\n", lwp->data);
- rt_free(lwp->data);
- }
- }
- }
-
- return result;
-}
-
-static void lwp_cleanup(struct rt_thread *tid)
-{
- struct rt_lwp *lwp;
-
- dbg_log(DBG_INFO, "thread: %s, stack_addr: %08X\n", tid->name, tid->stack_addr);
-
- lwp = (struct rt_lwp *)tid->lwp;
-
- if (lwp->lwp_type == LWP_TYPE_DYN_ADDR)
- {
- dbg_log(DBG_INFO, "dynamic lwp\n");
- if (lwp->text_entry)
- {
- dbg_log(DBG_LOG, "lwp text free: %p\n", lwp->text_entry);
-#ifdef RT_USING_CACHE
- rt_free_align(lwp->text_entry);
-#else
- rt_free(lwp->text_entry);
-#endif
- }
- if (lwp->data)
- {
- dbg_log(DBG_LOG, "lwp data free: %p\n", lwp->data);
- rt_free(lwp->data);
- }
- }
-
- dbg_log(DBG_LOG, "lwp free memory pages\n");
- rt_lwp_mem_deinit(lwp);
-
- /* cleanup fd table */
- while (lwp->fdt.maxfd > 0)
- {
- lwp->fdt.maxfd --;
- close(lwp->fdt.maxfd);
- }
- rt_free(lwp->fdt.fds);
- rt_free(lwp->args);
-
- dbg_log(DBG_LOG, "lwp free: %p\n", lwp);
- rt_free(lwp);
-
- /* TODO: cleanup fd table */
-}
-
-static void lwp_thread(void *parameter)
-{
- rt_thread_t tid;
- struct rt_lwp *lwp;
-
- lwp = (struct rt_lwp *)parameter;
- rt_lwp_mem_init(lwp);
- tid = rt_thread_self();
- tid->lwp = lwp;
- tid->cleanup = lwp_cleanup;
-
- lwp_user_entry(lwp->args, lwp->text_entry, lwp->data);
-}
-
-struct rt_lwp *rt_lwp_self(void)
-{
- return (struct rt_lwp *)rt_thread_self()->lwp;
-}
-
-int exec(char *filename, int argc, char **argv)
-{
- struct rt_lwp *lwp;
- int result;
-
- if (filename == RT_NULL)
- return -RT_ERROR;
-
- lwp = (struct rt_lwp *)rt_malloc(sizeof(struct rt_lwp));
- if (lwp == RT_NULL)
- {
- dbg_log(DBG_ERROR, "lwp struct out of memory!\n");
- return -RT_ENOMEM;
- }
- dbg_log(DBG_INFO, "lwp malloc : %p, size: %d!\n", lwp, sizeof(struct rt_lwp));
-
- rt_memset(lwp, 0, sizeof(*lwp));
- if (lwp_argscopy(lwp, argc, argv) != 0)
- {
- rt_free(lwp);
- return -ENOMEM;
- }
-
- result = lwp_load(filename, lwp, RT_NULL, 0);
- if (result == RT_EOK)
- {
- rt_thread_t tid;
-
- tid = rt_thread_create("user", lwp_thread, (void *)lwp,
- 1024 * 4, 2, 200);
- if (tid != RT_NULL)
- {
- dbg_log(DBG_LOG, "lwp kernel => (0x%08x, 0x%08x)\n", (rt_uint32_t)tid->stack_addr, (rt_uint32_t)tid->stack_addr + tid->stack_size);
- rt_thread_startup(tid);
- return RT_EOK;
- }
- else
- {
-#ifdef RT_USING_CACHE
- rt_free_align(lwp->text_entry);
-#else
- rt_free(lwp->text_entry);
-#endif
- rt_free(lwp->data);
- }
- }
-
- rt_free(lwp->args);
- rt_free(lwp);
-
- return -RT_ERROR;
-}
diff --git a/components/lwp/lwp.h b/components/lwp/lwp.h
deleted file mode 100644
index 0b25cf6917..0000000000
--- a/components/lwp/lwp.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * File : lwp.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-#ifndef __LWP_H__
-#define __LWP_H__
-
-#define LWP_MAGIC 0x5A
-
-#define LWP_TYPE_FIX_ADDR 0x01
-#define LWP_TYPE_DYN_ADDR 0x02
-
-#define LWP_ARG_MAX 8
-
-#include <stdint.h>
-#include <rtthread.h>
-#include <dfs.h>
-#include <lwp_memheap.h>
-
-struct rt_lwp
-{
- uint8_t lwp_type;
- uint8_t heap_cnt;
- uint8_t reserv[2];
-
- rt_list_t hlist; /**< headp list */
-
- uint8_t *text_entry;
- uint32_t text_size;
-
- uint8_t *data;
- uint32_t data_size;
-
- uint32_t *kernel_sp; /**< kernel stack point */
- struct dfs_fdtable fdt;
- void *args;
-};
-
-struct lwp_header
-{
- uint8_t magic;
- uint8_t compress_encrypt_algo;
- uint16_t reserved;
-
- uint32_t crc32;
-};
-
-struct lwp_chunk
-{
- uint32_t total_len;
-
- char name[4];
- uint32_t data_len;
- uint32_t data_len_space;
-};
-
-extern struct rt_lwp *rt_lwp_self(void);
-
-extern void rt_lwp_mem_init(struct rt_lwp *lwp);
-extern void rt_lwp_mem_deinit(struct rt_lwp *lwp);
-extern void *rt_lwp_mem_malloc(rt_uint32_t size);
-extern void rt_lwp_mem_free(void *addr);
-extern void *rt_lwp_mem_realloc(void *rmem, rt_size_t newsize);
-
-#endif
diff --git a/components/lwp/lwp_mem.c b/components/lwp/lwp_mem.c
deleted file mode 100644
index 9b3dcf45a6..0000000000
--- a/components/lwp/lwp_mem.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * File : lwp_mem.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2012, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- * 2018-03-24 Tanek the first version
- */
-
-#include <rtthread.h>
-#include <lwp.h>
-
-#define DBG_ENABLE
-#define DBG_SECTION_NAME "LWPMEM"
-#define DBG_COLOR
-#define DBG_LEVEL DBG_WARNING
-#include <rtdbg.h>
-
-// todo: remove repleat code
-#define RT_MEMHEAP_SIZE RT_ALIGN(sizeof(struct rt_lwp_memheap_item), RT_ALIGN_SIZE)
-#define MEMITEM_SIZE(item) ((rt_uint32_t)item->next - (rt_uint32_t)item - RT_MEMHEAP_SIZE)
-
-#ifndef LWP_MEM_PAGE_SIZE
- #define LWP_MEM_PAGE_SIZE (4 * 1024)
-#endif
-
-#ifndef LWP_MEM_MAX_PAGE_COUNT
- #define LWP_MEM_MAX_PAGE_COUNT (256 * 4)
-#endif
-
-static void *rt_lwp_malloc_page(struct rt_lwp *lwp, rt_size_t npages)
-{
- void *chunk;
- char name[6];
- struct rt_lwp_memheap *lwp_heap;
- rt_size_t page_cnt;
-
- RT_ASSERT(lwp != RT_NULL);
-
- page_cnt = lwp->heap_cnt + npages;
- if (page_cnt > LWP_MEM_MAX_PAGE_COUNT)
- {
- dbg_log(DBG_ERROR, "alloc new page failed, lwp memory size out of limited: %d\n", page_cnt);
- return RT_NULL;
- }
-
- lwp_heap = rt_malloc(sizeof(struct rt_lwp_memheap));
- if (lwp_heap == RT_NULL)
- {
- dbg_log(DBG_ERROR, "alloc new page head failed, out of memory : %d\n", page_cnt);
- return RT_NULL;
- }
-
- chunk = rt_malloc(npages * LWP_MEM_PAGE_SIZE);
- if (chunk == RT_NULL)
- {
- dbg_log(DBG_ERROR, "alloc new page buffer failed, out of memory : %d\n", page_cnt);
- rt_free(lwp_heap);
- return RT_NULL;
- }
-
- dbg_log(DBG_LOG, "lwp alloc page: %d\n", npages);
-
- rt_sprintf(name, "lwp%02x", lwp->heap_cnt);
- rt_lwp_memheap_init(lwp_heap, name, chunk, npages * LWP_MEM_PAGE_SIZE);
-
- rt_list_insert_before(&lwp->hlist, &lwp_heap->mlist);
-
- lwp->heap_cnt += npages;
-
- return chunk;
-}
-
-static void rt_lwp_free_page(struct rt_lwp *lwp, struct rt_lwp_memheap *lwp_heap)
-{
- rt_size_t npages;
-
- RT_ASSERT(lwp != RT_NULL);
- RT_ASSERT(lwp_heap != RT_NULL);
- RT_ASSERT(lwp_heap->start_addr != RT_NULL);
-
- npages = lwp_heap->pool_size / LWP_MEM_PAGE_SIZE;
- lwp->heap_cnt -= npages;
-
- dbg_log(DBG_LOG, "lwp free page: %d\n", npages);
-
- rt_list_remove(&lwp_heap->mlist);
-
- rt_free(lwp_heap->start_addr);
- rt_free(lwp_heap);
-}
-
-void rt_lwp_mem_init(struct rt_lwp *lwp)
-{
- RT_ASSERT(lwp != RT_NULL);
- rt_list_init(&lwp->hlist);
-}
-
-void rt_lwp_mem_deinit(struct rt_lwp *lwp)
-{
- struct rt_list_node *node;
-
- RT_ASSERT(lwp != RT_NULL);
-
- node = lwp->hlist.next;
-
- while (node != &(lwp->hlist))
- {
- struct rt_lwp_memheap *lwp_heap;
-
- lwp_heap = rt_list_entry(node, struct rt_lwp_memheap, mlist);
- RT_ASSERT(lwp_heap != RT_NULL);
-
- /* update note before free page*/
- node = node->next;
-
- rt_lwp_free_page(lwp, lwp_heap);
- }
-}
-
-void *rt_lwp_mem_malloc(rt_uint32_t size)
-{
- struct rt_lwp *lwp;
- struct rt_list_node *node;
- void *addr = RT_NULL;
- rt_uint32_t npages;
-
- if (size == 0)
- return RT_NULL;
-
- lwp = rt_lwp_self();
- RT_ASSERT(lwp != RT_NULL);
-
- for (node = lwp->hlist.next; node != &(lwp->hlist); node = node->next)
- {
- struct rt_lwp_memheap *lwp_heap;
- lwp_heap = rt_list_entry(node, struct rt_lwp_memheap, mlist);
-
- addr = rt_lwp_memheap_alloc(lwp_heap, size);
- if (addr != RT_NULL)
- {
- dbg_log(DBG_LOG, "lwp alloc 0x%x/%d\n", addr, size);
- return addr;
- }
- }
-
- npages = (size + rt_lwp_memheap_unavailable_size_get() + LWP_MEM_PAGE_SIZE) / LWP_MEM_PAGE_SIZE;
- if (RT_NULL != rt_lwp_malloc_page(lwp, npages))
- return rt_lwp_mem_malloc(size);
- else
- return RT_NULL;
-}
-
-void rt_lwp_mem_free(void *addr)
-{
- struct rt_lwp_memheap_item *header_ptr;
- struct rt_lwp_memheap *lwp_heap;
-
- if (addr == RT_NULL)
- return ;
-
- /* get memory item */
- header_ptr = (struct rt_lwp_memheap_item *)((rt_uint8_t *)addr - RT_MEMHEAP_SIZE);
- RT_ASSERT(header_ptr);
-
- lwp_heap = header_ptr->pool_ptr;
- RT_ASSERT(lwp_heap);
-
- dbg_log(DBG_LOG, "lwp free 0x%x\n", addr);
- rt_lwp_memheap_free((void *)addr);
-
- if (rt_lwp_memheap_is_empty(lwp_heap))
- {
- rt_lwp_free_page(rt_lwp_self(), lwp_heap);
- }
-}
-
-void *rt_lwp_mem_realloc(void *rmem, rt_size_t newsize)
-{
- void *new_ptr;
- struct rt_lwp_memheap_item *header_ptr;
-
- if (rmem == RT_NULL)
- return rt_lwp_mem_malloc(newsize);
-
- if (newsize == 0)
- {
- rt_lwp_mem_free(rmem);
- return RT_NULL;
- }
-
- /* get old memory item */
- header_ptr = (struct rt_lwp_memheap_item *)
- ((rt_uint8_t *)rmem - RT_MEMHEAP_SIZE);
-
- new_ptr = rt_lwp_memheap_realloc(header_ptr->pool_ptr, rmem, newsize);
- if (new_ptr == RT_NULL)
- {
- /* allocate memory block from other memheap */
- new_ptr = rt_lwp_mem_malloc(newsize);
- if (new_ptr != RT_NULL && rmem != RT_NULL)
- {
- rt_size_t oldsize;
-
- /* get the size of old memory block */
- oldsize = MEMITEM_SIZE(header_ptr);
- if (newsize > oldsize)
- rt_memcpy(new_ptr, rmem, oldsize);
- else
- rt_memcpy(new_ptr, rmem, newsize);
-
- dbg_log(DBG_LOG, "lwp realloc with memcpy 0x%x -> 0x%x/%d\n", rmem, new_ptr, newsize);
- rt_lwp_mem_free(rmem);
-
- }
- }
-
- dbg_log(DBG_LOG, "lwp realloc in same address 0x%x/%d\n", rmem, newsize);
-
- return new_ptr;
-}
diff --git a/components/lwp/lwp_mem.h b/components/lwp/lwp_mem.h
deleted file mode 100644
index 117a18f677..0000000000
--- a/components/lwp/lwp_mem.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * File : lwp_mem.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-#ifndef __LWP_MEM_H__
-#define __LWP_MEM_H__
-
-extern void rt_lwp_mem_init(struct rt_lwp *lwp);
-extern void rt_lwp_mem_deinit(struct rt_lwp *lwp);
-
-extern void *rt_lwp_mem_malloc(rt_uint32_t size);
-extern void rt_lwp_mem_free(void *addr);
-extern void *rt_lwp_mem_realloc(void *rmem, rt_size_t newsize);
-
-#endif
diff --git a/components/lwp/lwp_memheap.c b/components/lwp/lwp_memheap.c
deleted file mode 100644
index 46ba667695..0000000000
--- a/components/lwp/lwp_memheap.c
+++ /dev/null
@@ -1,590 +0,0 @@
-/*
- * File : lwp_memheap.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2012, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- * 2012-04-10 Bernard first implementation
- * 2012-10-16 Bernard add the mutex lock for heap object.
- * 2012-12-29 Bernard memheap can be used as system heap.
- * change mutex lock to semaphore lock.
- * 2013-04-10 Bernard add rt_lwp_memheap_realloc function.
- * 2013-05-24 Bernard fix the rt_lwp_memheap_realloc issue.
- * 2013-07-11 Grissiom fix the memory block splitting issue.
- * 2013-07-15 Grissiom optimize rt_lwp_memheap_realloc
- */
-
-#include <rthw.h>
-#include <rtthread.h>
-#include <lwp.h>
-
-/* dynamic pool magic and mask */
-#define RT_MEMHEAP_MAGIC 0x1ea01ea0
-#define RT_MEMHEAP_MASK 0xfffffffe
-#define RT_MEMHEAP_USED 0x01
-#define RT_MEMHEAP_FREED 0x00
-
-#define RT_MEMHEAP_IS_USED(i) ((i)->magic & RT_MEMHEAP_USED)
-#define RT_MEMHEAP_MINIALLOC 12
-
-#define RT_MEMHEAP_SIZE RT_ALIGN(sizeof(struct rt_lwp_memheap_item), RT_ALIGN_SIZE)
-#define MEMITEM_SIZE(item) ((rt_uint32_t)item->next - (rt_uint32_t)item - RT_MEMHEAP_SIZE)
-
-/*
- * The initialized memory pool will be:
- * +-----------------------------------+--------------------------+
- * | whole freed memory block | Used Memory Block Tailer |
- * +-----------------------------------+--------------------------+
- *
- * block_list --> whole freed memory block
- *
- * The length of Used Memory Block Tailer is 0,
- * which is prevents block merging across list
- */
-rt_err_t rt_lwp_memheap_init(struct rt_lwp_memheap *memheap,
- const char *name,
- void *start_addr,
- rt_uint32_t size)
-{
- struct rt_lwp_memheap_item *item;
-
- RT_ASSERT(memheap != RT_NULL);
-
- /* initialize pool object */
- memheap->start_addr = start_addr;
- memheap->pool_size = RT_ALIGN_DOWN(size, RT_ALIGN_SIZE);
- memheap->available_size = memheap->pool_size - (2 * RT_MEMHEAP_SIZE);
- memheap->max_used_size = memheap->pool_size - memheap->available_size;
-
- /* initialize the free list header */
- item = &(memheap->free_header);
- item->magic = RT_MEMHEAP_MAGIC;
- item->pool_ptr = memheap;
- item->next = RT_NULL;
- item->prev = RT_NULL;
- item->next_free = item;
- item->prev_free = item;
-
- /* set the free list to free list header */
- memheap->free_list = item;
-
- /* initialize the first big memory block */
- item = (struct rt_lwp_memheap_item *)start_addr;
- item->magic = RT_MEMHEAP_MAGIC;
- item->pool_ptr = memheap;
- item->next = RT_NULL;
- item->prev = RT_NULL;
- item->next_free = item;
- item->prev_free = item;
-
- item->next = (struct rt_lwp_memheap_item *)
- ((rt_uint8_t *)item + memheap->available_size + RT_MEMHEAP_SIZE);
- item->prev = item->next;
-
- /* block list header */
- memheap->block_list = item;
-
- /* place the big memory block to free list */
- item->next_free = memheap->free_list->next_free;
- item->prev_free = memheap->free_list;
- memheap->free_list->next_free->prev_free = item;
- memheap->free_list->next_free = item;
-
- /* move to the end of memory pool to build a small tailer block,
- * which prevents block merging
- */
- item = item->next;
- /* it's a used memory block */
- item->magic = RT_MEMHEAP_MAGIC | RT_MEMHEAP_USED;
- item->pool_ptr = memheap;
- item->next = (struct rt_lwp_memheap_item *)start_addr;
- item->prev = (struct rt_lwp_memheap_item *)start_addr;
- /* not in free list */
- item->next_free = item->prev_free = RT_NULL;
-
- /* initialize semaphore lock */
- rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_FIFO);
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("memory heap: start addr 0x%08x, size %d, free list header 0x%08x\n",
- start_addr, size, &(memheap->free_header)));
-
- return RT_EOK;
-}
-
-void *rt_lwp_memheap_alloc(struct rt_lwp_memheap *heap, rt_uint32_t size)
-{
- rt_err_t result;
- rt_uint32_t free_size;
- struct rt_lwp_memheap_item *header_ptr;
-
- RT_ASSERT(heap != RT_NULL);
-
- /* align allocated size */
- size = RT_ALIGN(size, RT_ALIGN_SIZE);
- if (size < RT_MEMHEAP_MINIALLOC)
- size = RT_MEMHEAP_MINIALLOC;
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("allocate %d on heap:%8.*s",
- size, RT_NAME_MAX, heap->parent.name));
-
- if (size < heap->available_size)
- {
- /* search on free list */
- free_size = 0;
-
- /* lock memheap */
- result = rt_sem_take(&(heap->lock), RT_WAITING_FOREVER);
- if (result != RT_EOK)
- {
- rt_set_errno(result);
-
- return RT_NULL;
- }
-
- /* get the first free memory block */
- header_ptr = heap->free_list->next_free;
- while (header_ptr != heap->free_list && free_size < size)
- {
- /* get current freed memory block size */
- free_size = MEMITEM_SIZE(header_ptr);
- if (free_size < size)
- {
- /* move to next free memory block */
- header_ptr = header_ptr->next_free;
- }
- }
-
- /* determine if the memory is available. */
- if (free_size >= size)
- {
- /* a block that satisfies the request has been found. */
-
- /* determine if the block needs to be split. */
- if (free_size >= (size + RT_MEMHEAP_SIZE + RT_MEMHEAP_MINIALLOC))
- {
- struct rt_lwp_memheap_item *new_ptr;
-
- /* split the block. */
- new_ptr = (struct rt_lwp_memheap_item *)
- (((rt_uint8_t *)header_ptr) + size + RT_MEMHEAP_SIZE);
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("split: block[0x%08x] nextm[0x%08x] prevm[0x%08x] to new[0x%08x]\n",
- header_ptr,
- header_ptr->next,
- header_ptr->prev,
- new_ptr));
-
- /* mark the new block as a memory block and freed. */
- new_ptr->magic = RT_MEMHEAP_MAGIC;
-
- /* put the pool pointer into the new block. */
- new_ptr->pool_ptr = heap;
-
- /* break down the block list */
- new_ptr->prev = header_ptr;
- new_ptr->next = header_ptr->next;
- header_ptr->next->prev = new_ptr;
- header_ptr->next = new_ptr;
-
- /* remove header ptr from free list */
- header_ptr->next_free->prev_free = header_ptr->prev_free;
- header_ptr->prev_free->next_free = header_ptr->next_free;
- header_ptr->next_free = RT_NULL;
- header_ptr->prev_free = RT_NULL;
-
- /* insert new_ptr to free list */
- new_ptr->next_free = heap->free_list->next_free;
- new_ptr->prev_free = heap->free_list;
- heap->free_list->next_free->prev_free = new_ptr;
- heap->free_list->next_free = new_ptr;
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("new ptr: next_free 0x%08x, prev_free 0x%08x\n",
- new_ptr->next_free,
- new_ptr->prev_free));
-
- /* decrement the available byte count. */
- heap->available_size = heap->available_size -
- size -
- RT_MEMHEAP_SIZE;
- if (heap->pool_size - heap->available_size > heap->max_used_size)
- heap->max_used_size = heap->pool_size - heap->available_size;
- }
- else
- {
- /* decrement the entire free size from the available bytes count. */
- heap->available_size = heap->available_size - free_size;
- if (heap->pool_size - heap->available_size > heap->max_used_size)
- heap->max_used_size = heap->pool_size - heap->available_size;
-
- /* remove header_ptr from free list */
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("one block: block[0x%08x], next_free 0x%08x, prev_free 0x%08x\n",
- header_ptr,
- header_ptr->next_free,
- header_ptr->prev_free));
-
- header_ptr->next_free->prev_free = header_ptr->prev_free;
- header_ptr->prev_free->next_free = header_ptr->next_free;
- header_ptr->next_free = RT_NULL;
- header_ptr->prev_free = RT_NULL;
- }
-
- /* Mark the allocated block as not available. */
- header_ptr->magic |= RT_MEMHEAP_USED;
-
- /* release lock */
- rt_sem_release(&(heap->lock));
-
- /* Return a memory address to the caller. */
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("alloc mem: memory[0x%08x], heap[0x%08x], size: %d\n",
- (void *)((rt_uint8_t *)header_ptr + RT_MEMHEAP_SIZE),
- header_ptr,
- size));
-
- return (void *)((rt_uint8_t *)header_ptr + RT_MEMHEAP_SIZE);
- }
-
- /* release lock */
- rt_sem_release(&(heap->lock));
- }
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("allocate memory: failed\n"));
-
- /* Return the completion status. */
- return RT_NULL;
-}
-
-void *rt_lwp_memheap_realloc(struct rt_lwp_memheap *heap, void *ptr, rt_size_t newsize)
-{
- rt_err_t result;
- rt_size_t oldsize;
- struct rt_lwp_memheap_item *header_ptr;
- struct rt_lwp_memheap_item *new_ptr;
-
- if (newsize == 0)
- {
- rt_lwp_memheap_free(ptr);
-
- return RT_NULL;
- }
- /* align allocated size */
- newsize = RT_ALIGN(newsize, RT_ALIGN_SIZE);
- if (newsize < RT_MEMHEAP_MINIALLOC)
- newsize = RT_MEMHEAP_MINIALLOC;
-
- if (ptr == RT_NULL)
- {
- return rt_lwp_memheap_alloc(heap, newsize);
- }
-
- /* get memory block header and get the size of memory block */
- header_ptr = (struct rt_lwp_memheap_item *)
- ((rt_uint8_t *)ptr - RT_MEMHEAP_SIZE);
- oldsize = MEMITEM_SIZE(header_ptr);
- /* re-allocate memory */
- if (newsize > oldsize)
- {
- void *new_ptr;
- struct rt_lwp_memheap_item *next_ptr;
-
- /* lock memheap */
- result = rt_sem_take(&(heap->lock), RT_WAITING_FOREVER);
- if (result != RT_EOK)
- {
- rt_set_errno(result);
- return RT_NULL;
- }
-
- next_ptr = header_ptr->next;
-
- /* header_ptr should not be the tail */
- RT_ASSERT(next_ptr > header_ptr);
-
- /* check whether the following free space is enough to expand */
- if (!RT_MEMHEAP_IS_USED(next_ptr))
- {
- rt_int32_t nextsize;
-
- nextsize = MEMITEM_SIZE(next_ptr);
- RT_ASSERT(next_ptr > 0);
-
- /* Here is the ASCII art of the situation that we can make use of
- * the next free node without alloc/memcpy, |*| is the control
- * block:
- *
- * oldsize free node
- * |*|-----------|*|----------------------|*|
- * newsize >= minialloc
- * |*|----------------|*|-----------------|*|
- */
- if (nextsize + oldsize > newsize + RT_MEMHEAP_MINIALLOC)
- {
- /* decrement the entire free size from the available bytes count. */
- heap->available_size = heap->available_size - (newsize - oldsize);
- if (heap->pool_size - heap->available_size > heap->max_used_size)
- heap->max_used_size = heap->pool_size - heap->available_size;
-
- /* remove next_ptr from free list */
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("remove block: block[0x%08x], next_free 0x%08x, prev_free 0x%08x",
- next_ptr,
- next_ptr->next_free,
- next_ptr->prev_free));
-
- next_ptr->next_free->prev_free = next_ptr->prev_free;
- next_ptr->prev_free->next_free = next_ptr->next_free;
- next_ptr->next->prev = next_ptr->prev;
- next_ptr->prev->next = next_ptr->next;
-
- /* build a new one on the right place */
- next_ptr = (struct rt_lwp_memheap_item *)((char *)ptr + newsize);
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("new free block: block[0x%08x] nextm[0x%08x] prevm[0x%08x]",
- next_ptr,
- next_ptr->next,
- next_ptr->prev));
-
- /* mark the new block as a memory block and freed. */
- next_ptr->magic = RT_MEMHEAP_MAGIC;
-
- /* put the pool pointer into the new block. */
- next_ptr->pool_ptr = heap;
-
- next_ptr->prev = header_ptr;
- next_ptr->next = header_ptr->next;
- header_ptr->next->prev = next_ptr;
- header_ptr->next = next_ptr;
-
- /* insert next_ptr to free list */
- next_ptr->next_free = heap->free_list->next_free;
- next_ptr->prev_free = heap->free_list;
- heap->free_list->next_free->prev_free = next_ptr;
- heap->free_list->next_free = next_ptr;
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("new ptr: next_free 0x%08x, prev_free 0x%08x",
- next_ptr->next_free,
- next_ptr->prev_free));
-
- /* release lock */
- rt_sem_release(&(heap->lock));
-
- return ptr;
- }
- }
-
- /* release lock */
- rt_sem_release(&(heap->lock));
-
- /* re-allocate a memory block */
- new_ptr = (void *)rt_lwp_memheap_alloc(heap, newsize);
- if (new_ptr != RT_NULL)
- {
- rt_memcpy(new_ptr, ptr, oldsize < newsize ? oldsize : newsize);
- rt_lwp_memheap_free(ptr);
- }
-
- return new_ptr;
- }
-
- /* don't split when there is less than one node space left */
- if (newsize + RT_MEMHEAP_SIZE + RT_MEMHEAP_MINIALLOC >= oldsize)
- return ptr;
-
- /* lock memheap */
- result = rt_sem_take(&(heap->lock), RT_WAITING_FOREVER);
- if (result != RT_EOK)
- {
- rt_set_errno(result);
-
- return RT_NULL;
- }
-
- /* split the block. */
- new_ptr = (struct rt_lwp_memheap_item *)
- (((rt_uint8_t *)header_ptr) + newsize + RT_MEMHEAP_SIZE);
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("split: block[0x%08x] nextm[0x%08x] prevm[0x%08x] to new[0x%08x]\n",
- header_ptr,
- header_ptr->next,
- header_ptr->prev,
- new_ptr));
-
- /* mark the new block as a memory block and freed. */
- new_ptr->magic = RT_MEMHEAP_MAGIC;
- /* put the pool pointer into the new block. */
- new_ptr->pool_ptr = heap;
-
- /* break down the block list */
- new_ptr->prev = header_ptr;
- new_ptr->next = header_ptr->next;
- header_ptr->next->prev = new_ptr;
- header_ptr->next = new_ptr;
-
- /* determine if the block can be merged with the next neighbor. */
- if (!RT_MEMHEAP_IS_USED(new_ptr->next))
- {
- struct rt_lwp_memheap_item *free_ptr;
-
- /* merge block with next neighbor. */
- free_ptr = new_ptr->next;
- heap->available_size = heap->available_size - MEMITEM_SIZE(free_ptr);
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("merge: right node 0x%08x, next_free 0x%08x, prev_free 0x%08x\n",
- header_ptr, header_ptr->next_free, header_ptr->prev_free));
-
- free_ptr->next->prev = new_ptr;
- new_ptr->next = free_ptr->next;
-
- /* remove free ptr from free list */
- free_ptr->next_free->prev_free = free_ptr->prev_free;
- free_ptr->prev_free->next_free = free_ptr->next_free;
- }
-
- /* insert the split block to free list */
- new_ptr->next_free = heap->free_list->next_free;
- new_ptr->prev_free = heap->free_list;
- heap->free_list->next_free->prev_free = new_ptr;
- heap->free_list->next_free = new_ptr;
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("new free ptr: next_free 0x%08x, prev_free 0x%08x\n",
- new_ptr->next_free,
- new_ptr->prev_free));
-
- /* increment the available byte count. */
- heap->available_size = heap->available_size + MEMITEM_SIZE(new_ptr);
-
- /* release lock */
- rt_sem_release(&(heap->lock));
-
- /* return the old memory block */
- return ptr;
-}
-
-void rt_lwp_memheap_free(void *ptr)
-{
- rt_err_t result;
- struct rt_lwp_memheap *heap;
- struct rt_lwp_memheap_item *header_ptr, *new_ptr;
- rt_uint32_t insert_header;
-
- /* NULL check */
- if (ptr == RT_NULL) return;
-
- /* set initial status as OK */
- insert_header = 1;
- new_ptr = RT_NULL;
- header_ptr = (struct rt_lwp_memheap_item *)
- ((rt_uint8_t *)ptr - RT_MEMHEAP_SIZE);
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("free memory: memory[0x%08x], block[0x%08x]\n",
- ptr, header_ptr));
-
- /* check magic */
- RT_ASSERT((header_ptr->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
- RT_ASSERT(header_ptr->magic & RT_MEMHEAP_USED);
- /* check whether this block of memory has been over-written. */
- RT_ASSERT((header_ptr->next->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
-
- /* get pool ptr */
- heap = header_ptr->pool_ptr;
-
- /* lock memheap */
- result = rt_sem_take(&(heap->lock), RT_WAITING_FOREVER);
- if (result != RT_EOK)
- {
- rt_set_errno(result);
-
- return ;
- }
-
- /* Mark the memory as available. */
- header_ptr->magic &= ~RT_MEMHEAP_USED;
- /* Adjust the available number of bytes. */
- heap->available_size = heap->available_size + MEMITEM_SIZE(header_ptr);
-
- /* Determine if the block can be merged with the previous neighbor. */
- if (!RT_MEMHEAP_IS_USED(header_ptr->prev))
- {
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("merge: left node 0x%08x\n",
- header_ptr->prev));
-
- /* adjust the available number of bytes. */
- heap->available_size = heap->available_size + RT_MEMHEAP_SIZE;
-
- /* yes, merge block with previous neighbor. */
- (header_ptr->prev)->next = header_ptr->next;
- (header_ptr->next)->prev = header_ptr->prev;
-
- /* move header pointer to previous. */
- header_ptr = header_ptr->prev;
- /* don't insert header to free list */
- insert_header = 0;
- }
-
- /* determine if the block can be merged with the next neighbor. */
- if (!RT_MEMHEAP_IS_USED(header_ptr->next))
- {
- /* adjust the available number of bytes. */
- heap->available_size = heap->available_size + RT_MEMHEAP_SIZE;
-
- /* merge block with next neighbor. */
- new_ptr = header_ptr->next;
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("merge: right node 0x%08x, next_free 0x%08x, prev_free 0x%08x\n",
- new_ptr, new_ptr->next_free, new_ptr->prev_free));
-
- new_ptr->next->prev = header_ptr;
- header_ptr->next = new_ptr->next;
-
- /* remove new ptr from free list */
- new_ptr->next_free->prev_free = new_ptr->prev_free;
- new_ptr->prev_free->next_free = new_ptr->next_free;
- }
-
- if (insert_header)
- {
- /* no left merge, insert to free list */
- header_ptr->next_free = heap->free_list->next_free;
- header_ptr->prev_free = heap->free_list;
- heap->free_list->next_free->prev_free = header_ptr;
- heap->free_list->next_free = header_ptr;
-
- RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
- ("insert to free list: next_free 0x%08x, prev_free 0x%08x\n",
- header_ptr->next_free, header_ptr->prev_free));
- }
-
- /* release lock */
- rt_sem_release(&(heap->lock));
-}
-
-rt_bool_t rt_lwp_memheap_is_empty(struct rt_lwp_memheap *memheap)
-{
- RT_ASSERT(memheap != RT_NULL);
-
- return (memheap->available_size + 2 * sizeof(struct rt_lwp_memheap_item)) == memheap->pool_size;
-}
-
-rt_bool_t rt_lwp_memheap_unavailable_size_get(void)
-{
- return 2 * RT_MEMHEAP_SIZE + 3;
-}
diff --git a/components/lwp/lwp_memheap.h b/components/lwp/lwp_memheap.h
deleted file mode 100644
index 064238585c..0000000000
--- a/components/lwp/lwp_memheap.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * File : lwp_memheap.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-#ifndef __LWP_MEMHEAP_H__
-#define __LWP_MEMHEAP_H__
-
-#include <stdint.h>
-#include <rtthread.h>
-
-/**
- * memory item on the heap
- */
-struct rt_lwp_memheap_item
-{
- rt_uint32_t magic; /**< magic number for memheap */
- struct rt_lwp_memheap *pool_ptr; /**< point of pool */
-
- struct rt_lwp_memheap_item *next; /**< next memheap item */
- struct rt_lwp_memheap_item *prev; /**< prev memheap item */
-
- struct rt_lwp_memheap_item *next_free; /**< next free memheap item */
- struct rt_lwp_memheap_item *prev_free; /**< prev free memheap item */
-};
-
-/**
- * Base structure of memory heap object
- */
-struct rt_lwp_memheap
-{
- struct rt_object parent; /**< inherit from rt_object */
-
- void *start_addr; /**< pool start address and size */
-
- rt_uint32_t pool_size; /**< pool size */
- rt_uint32_t available_size; /**< available size */
- rt_uint32_t max_used_size; /**< maximum allocated size */
-
- struct rt_lwp_memheap_item *block_list; /**< used block list */
- struct rt_lwp_memheap_item *free_list; /**< free block list */
- struct rt_lwp_memheap_item free_header; /**< free block list header */
-
- struct rt_semaphore lock; /**< semaphore lock */
-
- rt_list_t mlist;
-};
-
-extern rt_err_t rt_lwp_memheap_init(struct rt_lwp_memheap *memheap, const char *name, void *start_addr, rt_uint32_t size);
-extern void *rt_lwp_memheap_alloc(struct rt_lwp_memheap *heap, rt_uint32_t size);
-extern void rt_lwp_memheap_free(void *ptr);
-extern void *rt_lwp_memheap_realloc(struct rt_lwp_memheap *heap, void *ptr, rt_size_t newsize);
-extern rt_bool_t rt_lwp_memheap_is_empty(struct rt_lwp_memheap *memheap);
-extern rt_bool_t rt_lwp_memheap_unavailable_size_get(void);
-
-#endif
diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
deleted file mode 100644
index 0150e50b62..0000000000
--- a/components/lwp/lwp_syscall.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * File : lwp_syscall.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- */
-
-/* RT-Thread System call */
-#include <lwp.h>
-#include <lwp_mem.h>
-#include <lwp_syscall.h>
-
-#include <dfs_poll.h>
-#include <dfs_select.h>
-
-#if (defined(RT_USING_SAL) && defined(SAL_USING_POSIX))
-#include <sys/socket.h>
-
-#define SYSCALL_NET(f) (f)
-#else
-#define SYSCALL_NET(f) (sys_notimpl)
-#endif
-
-#define DBG_ENABLE
-#define DBG_SECTION_NAME "LWP_CALL"
-#define DBG_COLOR
-#define DBG_LEVEL DBG_WARNING
-#include <rtdbg.h>
-
-/* thread/process */
-void sys_exit(int value)
-{
- /* TODO: handle the return_value */
-
- dbg_log(DBG_LOG, "enter sys_exit\n");
-
- rt_thread_delete(rt_thread_self());
-
- rt_schedule();
-
- return;
-}
-
-/* syscall: "read" ret: "ssize_t" args: "int" "void *" "size_t" */
-ssize_t sys_read(int fd, void *buf, size_t nbyte)
-{
- return read(fd, buf, nbyte);
-}
-
-/* syscall: "write" ret: "ssize_t" args: "int" "const void *" "size_t" */
-ssize_t sys_write(int fd, const void *buf, size_t nbyte)
-{
- return write(fd, buf, nbyte);
-}
-
-/* syscall: "lseek" ret: "off_t" args: "int" "off_t" "int" */
-off_t sys_lseek(int fd, off_t offset, int whence)
-{
- return lseek(fd, offset, whence);
-}
-
-/* syscall: "open" ret: "int" args: "const char *" "int" "..." */
-int sys_open(const char *name, int mode, ...)
-{
- return open(name, mode, 0);
-}
-
-/* syscall: "close" ret: "int" args: "int" */
-int sys_close(int fd)
-{
- return close(fd);
-}
-
-/* syscall: "ioctl" ret: "int" args: "int" "u_long" "..." */
-int sys_ioctl(int fd, unsigned long cmd, void* data)
-{
- return ioctl(fd, cmd, data);
-}
-
-/* syscall: "nanosleep" ret: "int" args: "const struct timespec *" "struct timespec *" */
-int sys_nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
-{
- rt_tick_t tick;
-
- dbg_log(DBG_LOG, "sys_nanosleep\n");
-
- tick = rqtp->tv_sec * RT_TICK_PER_SECOND + (rqtp->tv_nsec * RT_TICK_PER_SECOND)/ 1000000000;
- rt_thread_delay(tick);
-
- if (rmtp)
- {
- tick = rt_tick_get() - tick;
- /* get the passed time */
- rmtp->tv_sec = tick/RT_TICK_PER_SECOND;
- rmtp->tv_nsec = (tick%RT_TICK_PER_SECOND) * (1000000000/RT_TICK_PER_SECOND);
- }
-
- return 0;
-}
-
-/* syscall: "getpriority" ret: "int" args: "int" "id_t" */
-int sys_getpriority(int which, id_t who)
-{
- if (which == PRIO_PROCESS)
- {
- rt_thread_t tid;
-
- tid = rt_thread_self();
- if (who == (id_t)tid || who == 0xff)
- {
- return tid->current_priority;
- }
- }
-
- return 0xff;
-}
-
-/* syscall: "setpriority" ret: "int" args: "int" "id_t" "int" */
-int sys_setpriority(int which, id_t who, int prio)
-{
- if (which == PRIO_PROCESS)
- {
- rt_thread_t tid;
-
- tid = rt_thread_self();
- if ((who == (id_t)tid || who == 0xff) && (prio >= 0 && prio < RT_THREAD_PRIORITY_MAX))
- {
- rt_thread_control(tid, RT_THREAD_CTRL_CHANGE_PRIORITY, &prio);
- return 0;
- }
- }
-
- return -1;
-}
-
-/* syscall: "gettimeofday" ret: "int" args: "struct timeval *" "struct timezone *" */
-int sys_gettimeofday(struct timeval *tp, struct timezone *tzp)
-{
- if (tp)
- {
- tp->tv_sec = rt_tick_get() / RT_TICK_PER_SECOND;
- tp->tv_usec = (rt_tick_get() % RT_TICK_PER_SECOND) * (1000000 / RT_TICK_PER_SECOND);
- }
-
- return 0;
-}
-
-/* syscall: "settimeofday" ret: "int" args: "const struct timeval *" "const struct timezone *" */
-int sys_settimeofday(const struct timeval *tv, const struct timezone *tzp)
-{
- return 0;
-}
-
-/* syscall: "msgget" ret: "int" args: "key_t" "int" */
-int sys_msgget(key_t key, int msgflg)
-{
- return -1;
-}
-
-/* syscall: "msgsnd" ret: "int" args: "int" "const void *" "size_t" "int" */
-int sys_msgsend(int msqid, const void *msgp, size_t msgsz, int msgflg)
-{
- return -1;
-}
-
-/* syscall: "msgrcv" ret: "int" args: "int" "void *" "size_t" "long" "int" */
-int sys_msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
-{
- return -1;
-}
-
-/* syscall: "sys_log" ret: "int" args: "const char*" "size" */
-int sys_log(const char* log, int size)
-{
- rt_device_t console = rt_console_get_device();
-
- if (console) rt_device_write(console, -1, log, size);
-
- return 0;
-}
-
-void *sys_malloc(size_t size)
-{
- return rt_lwp_mem_malloc(size);
-}
-
-void sys_free(void *addr)
-{
- rt_lwp_mem_free(addr);
-}
-
-void *sys_realloc(void *rmem, size_t newsize)
-{
- return rt_lwp_mem_realloc(rmem, newsize);
-}
-
-int sys_fstat(int file, struct stat *buf)
-{
- return fstat(file, buf);
-}
-
-int sys_notimpl(void)
-{
- return -ENOSYS;
-}
-
-const static void* func_table[] =
-{
- (void *)sys_exit, // 0x01
- (void *)sys_read, // 0x02
- (void *)sys_write, // 0x03
- (void *)sys_lseek, // 0x04
- (void *)sys_open, // 0x05
- (void *)sys_close, // 0x06
- (void *)sys_ioctl, // 0x07
-
- (void *)sys_nanosleep, // 0x08
-
- (void *)sys_getpriority, // 0x09
- (void *)sys_setpriority, // 0x0a
-
- (void *)sys_gettimeofday, // 0x0b
- (void *)sys_settimeofday, // 0x0c
-
- (void *)sys_malloc, // 0x0d
- (void *)sys_free, // 0x0e
- (void *)sys_realloc, //0x0f
- (void *)sys_fstat, // 0x10
- poll, // 0x11
-
- SYSCALL_NET(accept), // 0x12
- SYSCALL_NET(bind), // 0x13
- SYSCALL_NET(shutdown), // 0x14
- SYSCALL_NET(getpeername),// 0x15
- SYSCALL_NET(getsockname),// 0x16
- SYSCALL_NET(getsockopt), // 0x17
- SYSCALL_NET(setsockopt), // 0x18
- SYSCALL_NET(connect), // 0x19
- SYSCALL_NET(listen), // 0x1a
- SYSCALL_NET(recv), // 0x1b
- SYSCALL_NET(recvfrom), // 0x1c
- SYSCALL_NET(send), // 0x1d
- SYSCALL_NET(sendto), // 0x1e
- SYSCALL_NET(socket), // 0x1f
-
- select, // 0x20
-};
-
-const void *lwp_get_sys_api(rt_uint32_t number)
-{
- const void *func = sys_notimpl;
-
- if (number == 0xff)
- {
- func = (void *)sys_log;
- }
- else
- {
- number -= 1;
- if (number < sizeof(func_table)/sizeof(func_table[0]))
- {
- func = func_table[number];
- }
- }
-
- return func;
-}
diff --git a/components/lwp/lwp_syscall.h b/components/lwp/lwp_syscall.h
deleted file mode 100644
index eba25c40e3..0000000000
--- a/components/lwp/lwp_syscall.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * File : lwp_syscall.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- * 2006-03-18 Bernard the first version
- * 2006-04-25 Bernard add rt_hw_context_switch_interrupt declaration
- * 2006-09-24 Bernard add rt_hw_context_switch_to declaration
- * 2012-12-29 Bernard add rt_hw_exception_install declaration
- * 2017-10-17 Hichard add some micros
- */
-
-#ifndef __LWP_SYSCALL_H__
-#define __LWP_SYSCALL_H__
-
-#include <stdint.h>
-#include <rtthread.h>
-#include <dfs_posix.h>
-#include <sys/time.h>
-#include <sys/types.h>
-
-typedef long suseconds_t; /* microseconds (signed) */
-typedef long key_t; /* IPC key (for Sys V IPC) */
-typedef uint32_t id_t; /* may contain pid, uid or gid */
-
-/*
- * Process priority specifications to get/setpriority.
- */
-#define PRIO_MIN (-20)
-#define PRIO_MAX 20
-
-#define PRIO_PROCESS 0 /* only support lwp process */
-#define PRIO_PGRP 1
-#define PRIO_USER 2
-
-#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
- (ts)->tv_sec = (tv)->tv_sec; \
- (ts)->tv_nsec = (tv)->tv_usec * 1000; \
-}
-#define TIMESPEC_TO_TIMEVAL(tv, ts) { \
- (tv)->tv_sec = (ts)->tv_sec; \
- (tv)->tv_usec = (ts)->tv_nsec / 1000; \
-}
-
-void sys_exit(int value);
-ssize_t sys_read(int fd, void *buf, size_t nbyte);
-ssize_t sys_write(int fd, const void *buf, size_t nbyte);
-off_t sys_lseek(int fd, off_t offset, int whence);
-int sys_open(const char *name, int mode, ...);
-int sys_close(int fd);
-int sys_nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
-int sys_getpriority(int which, id_t who);
-int sys_setpriority(int which, id_t who, int prio);
-int sys_gettimeofday(struct timeval *tp, struct timezone *tzp);
-int sys_settimeofday(const struct timeval *tv, const struct timezone *tzp);
-int sys_msgget(key_t key, int msgflg);
-int sys_msgsend(int msqid, const void *msgp, size_t msgsz, int msgflg);
-int sys_msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg);
-
-int sys_log(const char* log, int size);
-
-#endif
diff --git a/include/rtdef.h b/include/rtdef.h
index c37f90be2d..7889412ab3 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -496,10 +496,6 @@ typedef siginfo_t rt_siginfo_t;
#define RT_THREAD_CTRL_CHANGE_PRIORITY 0x02 /**< Change thread priority. */
#define RT_THREAD_CTRL_INFO 0x03 /**< Get thread information. */
-#ifdef RT_USING_LWP
-struct rt_lwp;
-#endif
-
/**
* Thread structure
*/
@@ -560,11 +556,12 @@ struct rt_thread
void (*cleanup)(struct rt_thread *tid); /**< cleanup function when thread exit */
- rt_uint32_t user_data; /**< private user data beyond this thread */
-
+ /* light weight process if present */
#ifdef RT_USING_LWP
- struct rt_lwp *lwp; /**< if NULL it's a kernel thread */
+ void *lwp;
#endif
+
+ rt_uint32_t user_data; /**< private user data beyond this thread */
};
typedef struct rt_thread *rt_thread_t;