297 lines
4.6 KiB
ArmAsm
297 lines
4.6 KiB
ArmAsm
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;@-------------------------------------------------------------------------
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;@-------------------------------------------------------------------------
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.code 32
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.globl _start
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_start:
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mov sp,#0x8000
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bl notmain
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b .
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.globl start_l1cache
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start_l1cache:
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mov r0, #0
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mcr p15, 0, r0, c7, c7, 0 ;@ invalidate caches
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mcr p15, 0, r0, c8, c7, 0 ;@ invalidate tlb
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mrc p15, 0, r0, c1, c0, 0
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orr r0,r0,#0x1000 ;@ instruction
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orr r0,r0,#0x0004 ;@ data
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mcr p15, 0, r0, c1, c0, 0
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bx lr
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.globl stop_l1cache
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stop_l1cache:
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mrc p15, 0, r0, c1, c0, 0
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bic r0,r0,#0x1000 ;@ instruction
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bic r0,r0,#0x0004 ;@ data
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mcr p15, 0, r0, c1, c0, 0
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bx lr
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nop
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.globl ARMTEST0
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ARMTEST0:
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subs r0,r0,#1
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bne ARMTEST0
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bx lr
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nop
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.globl ARMTEST1
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ARMTEST1:
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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bne ARMTEST1
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bx lr
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.globl ARMTEST2
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ARMTEST2:
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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subs r0,r0,#1
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bne ARMTEST2
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bx lr
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.globl ARMTEST3
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ARMTEST3:
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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subs r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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bne ARMTEST3
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bx lr
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;@ -----------------------------------------------------
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.thumb
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.thumb_func
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thumb_start:
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bl notmain
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hang: b hang
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.thumb_func
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.globl PUT32
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PUT32:
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str r1,[r0]
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bx lr
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.thumb_func
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.globl GET32
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GET32:
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ldr r0,[r0]
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bx lr
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.thumb_func
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.globl dummy
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dummy:
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bx lr
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.thumb_func
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.globl THUMBTEST0
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THUMBTEST0:
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sub r0,r0,#1
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bne THUMBTEST0
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bx lr
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.thumb_func
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.globl THUMBTEST1
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THUMBTEST1:
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sub r0,r0,#1
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sub r0,r0,#1
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sub r0,r0,#1
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sub r0,r0,#1
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sub r0,r0,#1
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sub r0,r0,#1
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sub r0,r0,#1
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sub r0,r0,#1
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bne THUMBTEST1
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bx lr
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.thumb_func
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.globl THUMBTEST2
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THUMBTEST2:
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sub r0,r0,#1
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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bne THUMBTEST2
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bx lr
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;@-------------------------------------------------------------------------
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;@-------------------------------------------------------------------------
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;@-------------------------------------------------------------------------
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;@
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;@ Copyright (c) 2012 David Welch dwelch@dwelch.com
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;@
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;@ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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;@
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;@ The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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;@
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;@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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;@
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;@-------------------------------------------------------------------------
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