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exosphere: improve nested switch format

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This commit is contained in:
Michael Scire 2019-01-20 02:51:27 -08:00
parent a52e601f2e
commit 295574740d
1 changed files with 21 additions and 18 deletions
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39
exosphere/src/configitem.c
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@ -36,25 +36,28 @@ uint32_t configitem_set(bool privileged, ConfigItem item, uint64_t value) {
g_battery_profile = (value != 0);
break;
case CONFIGITEM_NEEDS_REBOOT:
/* Force a reboot to RCM, if requested. */
switch (value) {
case REBOOT_KIND_NO_REBOOT:
return 0;
case REBOOT_KIND_TO_RCM:
/* Set reboot kind = rcm. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x450ull) = 0x2;
break;
case REBOOT_KIND_TO_WB_PAYLOAD:
/* Set reboot kind = warmboot. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x450ull) = 0x1;
/* Patch bootrom to jump to payload. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x118) = 0x40010000; /* Return to start of payload. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x11C) = 0x4000FFA4; /* Overwrite bootrom return address on stack. */
break;
default:
return 2;
/* Force a reboot, if requested. */
{
switch (value) {
case REBOOT_KIND_NO_REBOOT:
return 0;
case REBOOT_KIND_TO_RCM:
/* Set reboot kind = rcm. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x450ull) = 0x2;
break;
case REBOOT_KIND_TO_WB_PAYLOAD:
/* Set reboot kind = warmboot. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x450ull) = 0x1;
/* Patch bootrom to jump to payload. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x118) = 0x40010000; /* Return to start of payload. */
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x11C) = 0x4000FFA4; /* Overwrite bootrom return address on stack. */
break;
default:
return 2;
}
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x400ull) = 0x10;
while (1) { }
}
MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x400ull) = 0x10;
break;
default:
return 2;