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Add injector

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This commit is contained in:
Takumi Sueda
2021-03-06 20:32:14 +09:00
parent cef69aef53
commit cdb09e8ddf
5 changed files with 63 additions and 1 deletions
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17
x1/injector/disable_mmu.S Normal file
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.text
.align 2
.global _start
_start:
mov r9, #0
ldr r0, =0x67800000
mrc p15, 0, r10, c1, c0, 0
@bic r10, r10, #5 @ disable MMU and dcache
bic r10, r10, #1 @ disable MMU
@bic r10, r10, #4096 @ disable icache
mcr p15, 0, r10, c1, c0, 0 // write ctrl regs
#mcr p15, 0, r9, c7, c7, 0 // invalidate cache
#mcr p15, 0, r9, c8, c7, 0 // invalidate TLB
mov pc, r0