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-rw-r--r--libcpu/arm/realview-a8-vmm/cp15_gcc.S125
1 files changed, 0 insertions, 125 deletions
diff --git a/libcpu/arm/realview-a8-vmm/cp15_gcc.S b/libcpu/arm/realview-a8-vmm/cp15_gcc.S
deleted file mode 100644
index 0e3e60655c..0000000000
--- a/libcpu/arm/realview-a8-vmm/cp15_gcc.S
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2013-07-05 Bernard the first version
- */
-
-.globl rt_cpu_get_smp_id
-rt_cpu_get_smp_id:
- mrc p15, #0, r0, c0, c0, #5
- bx lr
-
-.globl rt_cpu_vector_set_base
-rt_cpu_vector_set_base:
- mcr p15, #0, r0, c12, c0, #0
- dsb
- bx lr
-
-.globl rt_hw_cpu_dcache_enable
-rt_hw_cpu_dcache_enable:
- mrc p15, #0, r0, c1, c0, #0
- orr r0, r0, #0x00000004
- mcr p15, #0, r0, c1, c0, #0
- bx lr
-
-.globl rt_hw_cpu_icache_enable
-rt_hw_cpu_icache_enable:
- mrc p15, #0, r0, c1, c0, #0
- orr r0, r0, #0x00001000
- mcr p15, #0, r0, c1, c0, #0
- bx lr
-
-_FLD_MAX_WAY:
- .word 0x3ff
-_FLD_MAX_IDX:
- .word 0x7ff
-
-.globl rt_cpu_dcache_clean_flush
-rt_cpu_dcache_clean_flush:
- push {r4-r11}
- dmb
- mrc p15, #1, r0, c0, c0, #1 @ read clid register
- ands r3, r0, #0x7000000 @ get level of coherency
- mov r3, r3, lsr #23
- beq finished
- mov r10, #0
-loop1:
- add r2, r10, r10, lsr #1
- mov r1, r0, lsr r2
- and r1, r1, #7
- cmp r1, #2
- blt skip
- mcr p15, #2, r10, c0, c0, #0
- isb
- mrc p15, #1, r1, c0, c0, #0
- and r2, r1, #7
- add r2, r2, #4
- ldr r4, _FLD_MAX_WAY
- ands r4, r4, r1, lsr #3
- clz r5, r4
- ldr r7, _FLD_MAX_IDX
- ands r7, r7, r1, lsr #13
-loop2:
- mov r9, r4
-loop3:
- orr r11, r10, r9, lsl r5
- orr r11, r11, r7, lsl r2
- mcr p15, #0, r11, c7, c14, #2
- subs r9, r9, #1
- bge loop3
- subs r7, r7, #1
- bge loop2
-skip:
- add r10, r10, #2
- cmp r3, r10
- bgt loop1
-
-finished:
- dsb
- isb
- pop {r4-r11}
- bx lr
-
-.globl rt_hw_cpu_dcache_disable
-rt_hw_cpu_dcache_disable:
- push {r4-r11, lr}
- bl rt_cpu_dcache_clean_flush
- mrc p15, #0, r0, c1, c0, #0
- bic r0, r0, #0x00000004
- mcr p15, #0, r0, c1, c0, #0
- pop {r4-r11, lr}
- bx lr
-
-.globl rt_hw_cpu_icache_disable
-rt_hw_cpu_icache_disable:
- mrc p15, #0, r0, c1, c0, #0
- bic r0, r0, #0x00001000
- mcr p15, #0, r0, c1, c0, #0
- bx lr
-
-.globl rt_cpu_mmu_disable
-rt_cpu_mmu_disable:
- mcr p15, #0, r0, c8, c7, #0 @ invalidate tlb
- mrc p15, #0, r0, c1, c0, #0
- bic r0, r0, #1
- mcr p15, #0, r0, c1, c0, #0 @ clear mmu bit
- dsb
- bx lr
-
-.globl rt_cpu_mmu_enable
-rt_cpu_mmu_enable:
- mrc p15, #0, r0, c1, c0, #0
- orr r0, r0, #0x001
- mcr p15, #0, r0, c1, c0, #0 @ set mmu enable bit
- dsb
- bx lr
-
-.globl rt_cpu_tlb_set
-rt_cpu_tlb_set:
- mcr p15, #0, r0, c2, c0, #0
- dmb
- bx lr