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Add custom panic driver

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This commit is contained in:
TuxSH 2018-05-20 14:11:46 +02:00
parent c820375a86
commit ec7e0d923d
14 changed files with 298 additions and 57 deletions
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56
fusee/fusee-primary/src/utils.c
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@ -3,41 +3,49 @@
#include "se.h"
#include "fuse.h"
#include "pmc.h"
#include "panic_color.h"
#include "timers.h"
#include "hwinit/btn.h"
__attribute__ ((noreturn)) void panic(uint32_t code) {
/* Set Panic Code for NX_BOOTLOADER. */
if (APBDEV_PMC_SCRATCH200_0 == 0) {
APBDEV_PMC_SCRATCH200_0 = code;
__attribute__((noreturn)) void watchdog_reboot(void) {
volatile watchdog_timers_t *wdt = GET_WDT(4);
wdt->PATTERN = WDT_REBOOT_PATTERN;
wdt->COMMAND = 2; /* Disable Counter. */
GET_WDT_REBOOT_CFG_REG(4) = 0xC0000000;
wdt->CONFIG = 0x8019; /* Full System Reset after Fourth Counter expires, using TIMER(9). */
wdt->COMMAND = 1; /* Enable Counter. */
while (true) {
/* Wait for reboot. */
}
}
/* TODO: Custom Panic Driver, which displays to screen without rebooting. */
/* For now, just use NX BOOTLOADER's panic. */
fuse_disable_programming();
APBDEV_PMC_CRYPTO_OP_0 = 1; /* Disable all SE operations. */
/* FIXME: clean up and use this instead of replacing things */
while(btn_read() != BTN_POWER);
/* Ensure we boot back into RCM, for development. */
APBDEV_PMC_SCRATCH0_0 = (1 << 1);
__attribute__((noreturn)) void pmc_reboot(uint32_t scratch0) {
APBDEV_PMC_SCRATCH0_0 = scratch0;
/* Reset the processor. */
APBDEV_PMC_CONTROL = (1 << 4);
while(1);
APBDEV_PMC_CONTROL = BIT(4);
while (true) {
/* Wait for reboot. */
}
}
__attribute__((noreturn)) void wait_for_button_and_pmc_reboot(void) {
uint32_t button;
while (true) {
button = btn_read();
if (button & BTN_POWER) {
/* Reboot into RCM. */
pmc_reboot(BIT(1) | 0);
} else if (button & (BTN_VOL_UP | BTN_VOL_DOWN)) {
/* Reboot normally. */
pmc_reboot(0);
}
}
}
__attribute__ ((noreturn)) void generic_panic(void) {
panic(0xFF000006);
}
__attribute__ ((noreturn)) void panic_predefined(uint32_t which) {
static const uint32_t codes[0x10] = {COLOR_0, COLOR_1, COLOR_2, COLOR_3, COLOR_4, COLOR_5, COLOR_6, COLOR_7, COLOR_8, COLOR_9, COLOR_A, COLOR_B, COLOR_C, COLOR_D, COLOR_E, COLOR_F};
panic(codes[which & 0xF]);
while(true);//panic(0xFF000006);
}
__attribute__((noinline)) bool overlaps(uint64_t as, uint64_t ae, uint64_t bs, uint64_t be)