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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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17
exosphere/src/warmboot_init.c
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@@ -1,16 +1,25 @@
#include "utils.h"
#include "memory_map.h"
#include "arm.h"
extern const uint8_t __main_start__[];
/* start.s */
void __set_memory_registers(uintptr_t ttbr0, uintptr_t vbar, uint64_t cpuectlr, uint32_t scr,
uint32_t tcr, uint32_t cptr, uint64_t mair, uint32_t sctlr);
void flush_dcache_all_tzram_pa(void) {
/* TODO */
__attribute__((target("cmodel=large"))) void flush_dcache_all_tzram_pa(void) {
uintptr_t pa = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
uintptr_t main_pa = pa | ((uintptr_t)__main_start__ & 0xFFF);
uintptr_t v = (uintptr_t)flush_dcache_all - (uintptr_t)__main_start__ + (uintptr_t)main_pa;
((void (*)(void))v)();
}
void invalidate_icache_all_tzram_pa(void) {
/* TODO */
__attribute__((target("cmodel=large"))) void invalidate_icache_all_inner_shareable_tzram_pa(void) {
uintptr_t pa = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
uintptr_t main_pa = pa | ((uintptr_t)__main_start__ & 0xFFF);
uintptr_t v = (uintptr_t)invalidate_icache_all_inner_shareable - (uintptr_t)__main_start__ + (uintptr_t)main_pa;
((void (*)(void))v)();
}
uintptr_t get_warmboot_crt0_stack_address(void) {