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exo: theoretical support for moved MAILBOX page

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This commit is contained in:
Michael Scire 2019-01-30 23:13:27 -08:00
parent 46f4896992
commit 506ac3f167
4 changed files with 42 additions and 14 deletions
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11
exosphere/src/coldboot_init.c
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@ -26,7 +26,7 @@
#undef MAILBOX_NX_BOOTLOADER_BASE
#undef TIMERS_BASE
#define MAILBOX_NX_BOOTLOADER_BASE (MMIO_GET_DEVICE_PA(MMIO_DEVID_NXBOOTLOADER_MAILBOX))
#define MAILBOX_NX_BOOTLOADER_BASE(targetfw) (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_700) ? (MMIO_GET_DEVICE_7X_PA(MMIO_DEVID_NXBOOTLOADER_MAILBOX)) : (MMIO_GET_DEVICE_PA(MMIO_DEVID_NXBOOTLOADER_MAILBOX))
#define TIMERS_BASE (MMIO_GET_DEVICE_PA(MMIO_DEVID_TMRs_WDTs))
extern const uint8_t __start_cold[];
@ -48,13 +48,16 @@ static void identity_map_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_t
}
}
static void mmio_map_all_devices(uintptr_t *mmu_l3_tbl) {
static void mmio_map_all_devices(uintptr_t *mmu_l3_tbl, unsigned int target_firmware) {
static const uintptr_t pas[] = { TUPLE_FOLD_LEFT_0(EVAL(MMIO_DEVID_MAX), _MMAPDEV, COMMA) };
static const size_t sizes[] = { TUPLE_FOLD_LEFT_1(EVAL(MMIO_DEVID_MAX), _MMAPDEV, COMMA) };
static const bool is_secure[] = { TUPLE_FOLD_LEFT_2(EVAL(MMIO_DEVID_MAX), _MMAPDEV, COMMA) };
static const uintptr_t pas_7x[] = { TUPLE_FOLD_LEFT_0(EVAL(MMIO_DEVID_MAX), _MMAPDEV7X, COMMA) };
for(size_t i = 0, offset = 0; i < MMIO_DEVID_MAX; i++) {
mmio_map_device(mmu_l3_tbl, MMIO_BASE + offset, pas[i], sizes[i], is_secure[i]);
uintptr_t pa = (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_700) ? pas[i] : pas_7x[i];
mmio_map_device(mmu_l3_tbl, MMIO_BASE + offset, pa, sizes[i], is_secure[i]);
offset += sizes[i];
offset += 0x1000;
}
@ -127,7 +130,7 @@ static void configure_ttbls(unsigned int target_firmware) {
mmu_map_table(2, mmu_l2_tbl, 0x1F0000000ull, mmu_l3_tbl, 0);
identity_map_all_mappings(mmu_l1_tbl, mmu_l3_tbl);
mmio_map_all_devices(mmu_l3_tbl);
mmio_map_all_devices(mmu_l3_tbl, target_firmware);
lp0_entry_map_all_ram_segments(mmu_l3_tbl);
warmboot_map_all_ram_segments(mmu_l3_tbl);
tzram_map_all_segments(mmu_l3_tbl, target_firmware);