mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-06-03 16:18:51 -04:00
Code Issues Projects Releases Packages Wiki Activity

exosphere: commit WIP warmboot progress

Browse source 
-15+ bugs fixed
-We now receive ~0x400 SMCs from user processes
 (including from psm) on wake-from-sleep
This commit is contained in:
Michael Scire 2018-08-16 18:45:38 -07:00
parent de49cfefac
commit f41aaccaa2
12 changed files with 105 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

30
exosphere/src/package2.c
View file

@ -382,13 +382,32 @@ static void load_package2_sections(package2_meta_t *metadata, uint32_t master_ke
memset(load_buf, 0, PACKAGE2_SIZE_MAX);
}
static void copy_warmboot_bin_to_dram() {
uint8_t *warmboot_src = (uint8_t *)0x4003B000;
uint8_t *warmboot_dst = (uint8_t *)0x8000D000;
const size_t warmboot_size = 0x2000;
/* Flush cache, to ensure warmboot is where we need it to be. */
flush_dcache_range(warmboot_src, warmboot_src + warmboot_size);
__dsb_sy();
/* Copy warmboot. */
for (size_t i = 0; i < warmboot_size; i += sizeof(uint32_t)) {
write32le(warmboot_dst, i, read32le(warmboot_src, i));
}
/* Flush cache, to ensure warmboot is where we need it to be. */
flush_dcache_range(warmboot_dst, warmboot_dst + warmboot_size);
__dsb_sy();
}
static void sync_with_nx_bootloader(int state) {
while (MAILBOX_NX_BOOTLOADER_SETUP_STATE < state) {
wait(100);
}
}
static void indentity_unmap_dram(void) {
static void identity_unmap_dram(void) {
uintptr_t *mmu_l1_tbl = (uintptr_t *)(TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGEMENT_ID_SECMON_EVT) + 0x800 - 64);
mmu_unmap_range(1, mmu_l1_tbl, IDENTITY_GET_MAPPING_ADDRESS(IDENTITY_MAPPING_DRAM), IDENTITY_GET_MAPPING_SIZE(IDENTITY_MAPPING_DRAM));
@ -410,6 +429,7 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
/* Perform initial PMC register writes, if relevant. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_400) {
MAKE_REG32(PMC_BASE + 0x054) = 0x8000D000;
MAKE_REG32(PMC_BASE + 0x0A0) &= 0xFFF3FFFF;
MAKE_REG32(PMC_BASE + 0x818) &= 0xFFFFFFFE;
MAKE_REG32(PMC_BASE + 0x334) |= 0x10;
@ -453,7 +473,7 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
/* Synchronize with NX BOOTLOADER. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_400) {
sync_with_nx_bootloader(NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X);
/* TODO: copy_warmboot_bin_to_dram(); */
copy_warmboot_bin_to_dram();
sync_with_nx_bootloader(NX_BOOTLOADER_STATE_LOADED_PACKAGE2_4X);
} else {
sync_with_nx_bootloader(NX_BOOTLOADER_STATE_LOADED_PACKAGE2);
@ -461,7 +481,7 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
/* Make PMC (2.x+), MC (4.x+) registers secure-only */
secure_additional_devices();
/* Remove the identity mapping for iRAM-C+D & TZRAM */
/* For our crt0 to work, this doesn't actually unmap TZRAM */
identity_unmap_iram_cd_tzram();
@ -499,7 +519,9 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
set_core_entrypoint_and_argument(0, DRAM_BASE_PHYSICAL + header.metadata.entrypoint, 0);
/* Remove the DRAM identity mapping. */
indentity_unmap_dram();
if (0) {
identity_unmap_dram();
}
/* Synchronize with NX BOOTLOADER. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_400) {