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exosphere: properly implement reboot-to-payload

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This commit is contained in:
Michael Scire 2019-01-24 08:12:10 -08:00
parent c9c8f64f09
commit c6f06e2c40
8 changed files with 262 additions and 11 deletions
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4
exosphere/src/smc_ams.c
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@ -72,7 +72,7 @@ static void ams_unmap_userpage(void) {
lock_release(&g_ams_userpage_mapped);
}
static void ams_map_irampage(uintptr_t iram_address) {
void ams_map_irampage(uintptr_t iram_address) {
lock_acquire(&g_ams_iram_page_mapped);
static const uint64_t irampage_attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_DEVICE;
uintptr_t *mmu_l3_tbl = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
@ -80,7 +80,7 @@ static void ams_map_irampage(uintptr_t iram_address) {
tlb_invalidate_page_inner_shareable((void *)AMS_IRAM_PAGE_SECURE_MONITOR_ADDR);
}
static void ams_unmap_irampage(void) {
void ams_unmap_irampage(void) {
uintptr_t *mmu_l3_tbl = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
mmu_unmap_page(mmu_l3_tbl, AMS_IRAM_PAGE_SECURE_MONITOR_ADDR);
tlb_invalidate_page_inner_shareable((void *)AMS_IRAM_PAGE_SECURE_MONITOR_ADDR);