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Exosphere: Fix SE definition bug, misc other bugs. Now boots on 1.0.0

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This commit is contained in:
Michael Scire 2018-06-01 00:46:05 -06:00
parent 1058ac7b2d
commit af9bee6e7f
6 changed files with 100 additions and 86 deletions
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21
exosphere/src/utils.c
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@ -6,6 +6,7 @@
#include "pmc.h"
#include "timers.h"
#define SAVE_SYSREG64(reg, ofs) do { __asm__ __volatile__ ("mrs %0, " #reg : "=r"(temp_reg) :: "memory"); MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + ofs) = (uint32_t)((temp_reg >> 0) & 0xFFFFFFFFULL); MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + ofs + 4) = (uint32_t)((temp_reg >> 32) & 0xFFFFFFFFULL); } while(false)
__attribute__ ((noreturn)) void panic(uint32_t code) {
/* Set Panic Code for NX_BOOTLOADER. */
@ -13,8 +14,15 @@ __attribute__ ((noreturn)) void panic(uint32_t code) {
APBDEV_PMC_SCRATCH200_0 = code;
}
strcpy((void *)MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM), (void *)"PANIC");
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x400ull) = 0x10;
/* Uncomment for Debugging.
uint64_t temp_reg;
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM)) = APBDEV_PMC_SCRATCH200_0;
SAVE_SYSREG64(ESR_EL3, 0x10);
SAVE_SYSREG64(ELR_EL3, 0x18);
SAVE_SYSREG64(FAR_EL3, 0x20);
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x450ull) = 0x2;
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x400ull) = 0x10; */
/* TODO: Custom Panic Driver, which displays to screen without rebooting. */
/* For now, just use NX BOOTLOADER's panic. */
fuse_disable_programming();
@ -24,6 +32,15 @@ __attribute__ ((noreturn)) void panic(uint32_t code) {
}
__attribute__ ((noreturn)) void generic_panic(void) {
/* Uncomment for Debugging.
uint64_t temp_reg;
do { __asm__ __volatile__ ("mov %0, LR" : "=r"(temp_reg) :: "memory"); } while (false);
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + 0x28) = (uint32_t)((temp_reg >> 0) & 0xFFFFFFFFULL);
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + 0x28 + 4) = (uint32_t)((temp_reg >> 32) & 0xFFFFFFFFULL);
do { __asm__ __volatile__ ("mov %0, SP" : "=r"(temp_reg) :: "memory"); } while (false);
for (unsigned int i = 0; i < 0x80; i += 4) {
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + 0x40 + i) = *((volatile uint32_t *)(temp_reg + i));
} */
panic(0xFF000006);
}