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authorBernard Xiong <[email protected]>2017-08-26 11:02:39 +0800
committerBernard Xiong <[email protected]>2017-08-26 11:02:39 +0800
commit2ac493698ba0c0578147045f6660add7bb4ad2eb (patch)
treeffa5661fff4550f345209a82c3af67482675d6c9
parent5b1aa2a75fe720042b0604670037ec00786a4289 (diff)
[BSP] cleanup for hifive1 bsp.
-rw-r--r--bsp/hifive1/rtconfig.py86
-rw-r--r--libcpu/risc-v/e310/start_gcc.S128
2 files changed, 65 insertions, 149 deletions
diff --git a/bsp/hifive1/rtconfig.py b/bsp/hifive1/rtconfig.py
index 7db1fd0b90..6ace0388d8 100644
--- a/bsp/hifive1/rtconfig.py
+++ b/bsp/hifive1/rtconfig.py
@@ -10,14 +10,7 @@ if os.getenv('RTT_CC'):
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
- # EXEC_PATH = 'D:/ArdaArmTools/Sourcery_Lite/bin'
EXEC_PATH = '/home/zj/risc-v/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6/bin'
-elif CROSS_TOOL == 'keil':
- PLATFORM = 'armcc'
- EXEC_PATH = 'C:/Keil_v5'
-elif CROSS_TOOL == 'iar':
- PLATFORM = 'iar'
- IAR_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.0'
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -33,8 +26,7 @@ TARGET_NAME = 'rtthread.bin'
#------- GCC settings ----------------------------------------------------------
if PLATFORM == 'gcc':
# toolchains
- PREFIX = '/home/zj/risc-v/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6/bin/riscv64-unknown-elf-'
- #PREFIX = 'arm-none-linux-gnueabi-'
+ PREFIX = 'riscv64-unknown-elf-'
CC = PREFIX + 'gcc'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
@@ -45,9 +37,7 @@ if PLATFORM == 'gcc':
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -march=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -mcmodel=medany -msmall-data-limit=8 -g -L. -nostartfiles -lc '
-# DEVICE += '-Wl,--wrap=malloc -Wl,--wrap=free -Wl,--wrap=open -Wl,--wrap=lseek -Wl,--wrap=read -Wl,--wrap=write -Wl,--wrap=fstat -Wl,--wrap=stat -Wl,--wrap=close -Wl,--wrap=link -Wl,--wrap=unlink -Wl,--wrap=execve -Wl,--wrap=fork -Wl,--wrap=getpid -Wl,--wrap=kill -Wl,--wrap=wait -Wl,--wrap=isatty -Wl,--wrap=times -Wl,--wrap=sbrk -Wl,--wrap=_exit'
CFLAGS = DEVICE
-# CFLAGS += ' -I ./mx28_registers/'
CFLAGS += ''
AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp'
AFLAGS += ' -Iplatform'
@@ -66,77 +56,3 @@ if PLATFORM == 'gcc':
POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n'
POST_ACTION += SIZE + ' $TARGET\n'
-#------- Keil settings ---------------------------------------------------------
-elif PLATFORM == 'armcc':
- # toolchains
- CC = 'armcc'
- AS = 'armasm'
- AR = 'armar'
- LINK = 'armlink'
- TARGET_EXT = 'axf'
- EXEC_PATH += '/arm/armcc/bin/'
-
- DEVICE = ' --cpu=' + CORE
- CFLAGS = DEVICE + ' --apcs=interwork --diag_suppress=870'
- AFLAGS = DEVICE + ' -Iplatform'
- LFLAGS = DEVICE + ' --strict'
- LFLAGS += ' --info sizes --info totals --info unused --info veneers'
- LFLAGS += ' --list ' + MAP_FILE
- LFLAGS += ' --scatter ' + LINK_FILE + '.scat'
-
- if BUILD == 'debug':
- CFLAGS += ' -g -O0'
- AFLAGS += ' -g'
- else:
- CFLAGS += ' -O2'
-
- POST_ACTION = 'fromelf --bin $TARGET --output ' + TARGET_NAME + ' \n'
- POST_ACTION += 'fromelf -z $TARGET\n'
-#------- IAR settings ----------------------------------------------------------
-elif PLATFORM == 'iar':
- # toolchains
- CC = 'iccarm'
- AS = 'iasmarm'
- AR = 'iarchive'
- LINK = 'ilinkarm'
- TARGET_EXT = 'axf'
-
- DEVICE = CORE
-
- CFLAGS = '--cpu=' + DEVICE
- CFLAGS += ' --diag_suppress Pa050'
- CFLAGS += ' --no_cse'
- CFLAGS += ' --no_unroll'
- CFLAGS += ' --no_inline'
- CFLAGS += ' --no_code_motion'
- CFLAGS += ' --no_tbaa'
- CFLAGS += ' --no_clustering'
- CFLAGS += ' --no_scheduling'
-
- CFLAGS += ' --endian=little'
- CFLAGS += ' -e'
- CFLAGS += ' --fpu=none'
- CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
- CFLAGS += ' --silent'
-
- AFLAGS = '--cpu '+ DEVICE
- AFLAGS += ' -s+'
- AFLAGS += ' -w+'
- AFLAGS += ' -r'
- AFLAGS += ' --fpu none'
- AFLAGS += ' -S'
- AFLAGS += ' -Iplatform'
-
- if BUILD == 'debug':
- CFLAGS += ' --debug'
- CFLAGS += ' -On'
- else:
- CFLAGS += ' -Oh'
-
- LFLAGS = '--config ' + LINK_FILE +'.icf'
- LFLAGS += ' --entry __iar_program_start'
- LFLAGS += ' --map ' + MAP_FILE
- LFLAGS += ' --silent'
-
- EXEC_PATH = IAR_PATH + '/arm/bin/'
- POST_ACTION = 'ielftool --silent --bin $TARGET ' + TARGET_NAME
diff --git a/libcpu/risc-v/e310/start_gcc.S b/libcpu/risc-v/e310/start_gcc.S
index 8ed2a03d37..5f1b087b78 100644
--- a/libcpu/risc-v/e310/start_gcc.S
+++ b/libcpu/risc-v/e310/start_gcc.S
@@ -21,7 +21,7 @@
; * Date Author Notes
; * 2017-07-16 zhangjun for hifive1
; */
-#include <sifive/smp.h>
+#include "sifive/smp.h"
#define CLINT_CTRL_ADDR 0x02000000
.section .init
@@ -29,116 +29,116 @@
.type _start,@function
_start:
- .cfi_startproc
- .cfi_undefined ra
+ .cfi_startproc
+ .cfi_undefined ra
.option push
.option norelax
- la gp, __global_pointer$
+ la gp, __global_pointer$
.option pop
- la sp, _sp
+ la sp, _sp
/*
*disable all interrupt at startup
*/
- csrrc a5, mstatus, 0xb
+ csrrc a5, mstatus, 0xb
#if defined(ENABLE_SMP)
- smp_pause(t0, t1)
+ smp_pause(t0, t1)
#endif
- /* Load data section */
- la a0, _data_lma
- la a1, _data
- la a2, _edata
- bgeu a1, a2, 2f
+ /* Load data section */
+ la a0, _data_lma
+ la a1, _data
+ la a2, _edata
+ bgeu a1, a2, 2f
1:
- lw t0, (a0)
- sw t0, (a1)
- addi a0, a0, 4
- addi a1, a1, 4
- bltu a1, a2, 1b
+ lw t0, (a0)
+ sw t0, (a1)
+ addi a0, a0, 4
+ addi a1, a1, 4
+ bltu a1, a2, 1b
2:
- /* Clear bss section */
- la a0, __bss_start
- la a1, _end
- bgeu a0, a1, 2f
+ /* Clear bss section */
+ la a0, __bss_start
+ la a1, _end
+ bgeu a0, a1, 2f
1:
- sw zero, (a0)
- addi a0, a0, 4
- bltu a0, a1, 1b
+ sw zero, (a0)
+ addi a0, a0, 4
+ bltu a0, a1, 1b
2:
- /* Call global constructors */
- la a0, __libc_fini_array
- call atexit
- call __libc_init_array
- /*call _init directly in rt-thread*/
+ /* Call global constructors */
+ la a0, __libc_fini_array
+ call atexit
+ call __libc_init_array
+ /*call _init directly in rt-thread*/
call _init
#ifndef __riscv_float_abi_soft
- /* Enable FPU */
- li t0, MSTATUS_FS
- csrs mstatus, t0
- csrr t1, mstatus
- and t1, t1, t0
- beqz t1, 1f
- fssr x0
+ /* Enable FPU */
+ li t0, MSTATUS_FS
+ csrs mstatus, t0
+ csrr t1, mstatus
+ and t1, t1, t0
+ beqz t1, 1f
+ fssr x0
1:
#endif
#if defined(ENABLE_SMP)
- smp_resume(t0, t1)
+ smp_resume(t0, t1)
- csrr a0, mhartid
- bnez a0, 2f
+ csrr a0, mhartid
+ bnez a0, 2f
#endif
- auipc ra, 0
- addi sp, sp, -16
+ auipc ra, 0
+ addi sp, sp, -16
#if __riscv_xlen == 32
- sw ra, 8(sp)
+ sw ra, 8(sp)
#else
- sd ra, 8(sp)
+ sd ra, 8(sp)
#endif
- /* argc = argv = 0 */
- li a0, 0
- li a1, 0
- call main
- tail exit
+ /* argc = argv = 0 */
+ li a0, 0
+ li a1, 0
+ call main
+ tail exit
1:
- j 1b
+ j 1b
#if defined(ENABLE_SMP)
2:
- la t0, trap_entry
- csrw mtvec, t0
+ la t0, trap_entry
+ csrw mtvec, t0
- csrr a0, mhartid
- la t1, _sp
- slli t0, a0, 10
- sub sp, t1, t0
+ csrr a0, mhartid
+ la t1, _sp
+ slli t0, a0, 10
+ sub sp, t1, t0
- auipc ra, 0
- addi sp, sp, -16
+ auipc ra, 0
+ addi sp, sp, -16
#if __riscv_xlen == 32
- sw ra, 8(sp)
+ sw ra, 8(sp)
#else
- sd ra, 8(sp)
+ sd ra, 8(sp)
#endif
- call secondary_main
- tail exit
+ call secondary_main
+ tail exit
1:
- j 1b
+ j 1b
#endif
- .cfi_endproc
+ .cfi_endproc
#include "encoding.h"
#include "sifive/bits.h"
- .section .text.entry
+ .section .text.entry
.align 2
.global trap_entry
trap_entry: