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Implement flush_dcache_all_tzram_pa and invalidate_icache_all_inner_shareable_tzram_pa for the crt0s

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TuxSH
2018-02-28 19:06:41 +01:00
parent e5f293e004
commit 6be5b0a52f
5 changed files with 38 additions and 17 deletions
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27
exosphere/src/arm.s
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@@ -217,17 +217,28 @@ invalidate_dcache_range:
*
* invalidate all icache entries.
*/
.section .text.invalidate_icache_inner_shareable, "ax", %progbits
.type invalidate_icache_inner_shareable, %function
.global invalidate_icache_inner_shareable
invalidate_icache_inner_shareable:
.section .text.invalidate_icache_all_inner_shareable, "ax", %progbits
.type invalidate_icache_all_inner_shareable, %function
.global invalidate_icache_all_inner_shareable
invalidate_icache_all_inner_shareable:
dsb ish
isb
ic ialluis
dsb ish
isb
ret
.section .text.invalidate_icache_all, "ax", %progbits
.type invalidate_icache_all, %function
.global invalidate_icache_all
invalidate_icache_all:
dsb sy
isb
ic iallu
dsb sy
isb
ret
/* Final steps before power down. */
.section .text.finalize_powerdown, "ax", %progbits
.type finalize_powerdown, %function
@@ -255,7 +266,7 @@ finalize_powerdown:
/* Disable receiving instruction cache/tbl maintenance operations. */
mrs x0, s3_1_c15_c2_1
and x0, x0, #0xffffffffffffffbf
msr s3_1_c15_c2_1, x0
msr s3_1_c15_c2_1, x0
/* Prepare GICC */
bl intr_prepare_gicc_for_sleep
/* Set OS double lock */
@@ -267,11 +278,11 @@ finalize_powerdown:
wait_for_power_off:
wfi
b wait_for_power_off
/* Call a function with desired stack pointer. */
.section .text.call_with_stack_pointer, "ax", %progbits
.type call_with_stack_pointer, %function
.global call_with_stack_pointer
call_with_stack_pointer:
mov sp, x0
br x1
br x1