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Implement __set_memory_registers

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TuxSH 2018-02-28 02:37:08 +01:00
parent 924d469344
commit 93634d08e3
2 changed files with 27 additions and 0 deletions
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25
exosphere/src/start.s
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@ -97,6 +97,31 @@ __start_warm:
ldr x16, =__jump_to_main_warm
br x16
/* Used by coldboot as well */
.section .warm_crt0.text.__set_memory_registers, "ax", %progbits
.global __set_memory_registers
.type __set_memory_registers, %function
__set_memory_registers:
msr cpuactlr_el1, x2
isb
msr scr_el3, x3
msr ttbr0_el3, x0
msr tcr_el3, x4
msr cptr_el3, x5
msr mair_el3, x6
msr vbar_el3, x1
/* Invalidate the entire TLB on the Inner Shareable domain */
isb
dsb ish
tlbi alle3is
dsb ish
isb
msr sctlr_el3, x7
isb
ret
.align 4
.section .text.__jump_to_main_cold, "ax", %progbits
__jump_to_main_cold: