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fusee: attempt reboot to self if possible, better abort/fatal handlers

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Michael Scire 2021-09-05 20:57:04 -07:00 • committed by SciresM
parent 005aac5a2b
commit dda7ea6ac2
4 changed files with 71 additions and 46 deletions
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67
fusee/program/source/fusee_exception_handler.cpp
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@ -15,28 +15,12 @@
*/
#include <exosphere.hpp>
#include "fusee_exception_handler.hpp"
#include "fusee_fatal.hpp"
namespace ams::nxboot {
NORETURN void ErrorStop() {
/* ABORT? */
*reinterpret_cast<volatile u32 *>(0x40038000) = 0xDEADDEAD;
*reinterpret_cast<volatile u32 *>(0x7000E400) = 0x10;
/* Halt ourselves. */
while (true) {
reg::Write(secmon::MemoryRegionPhysicalDeviceFlowController.GetAddress() + FLOW_CTLR_HALT_COP_EVENTS, FLOW_REG_BITS_ENUM(HALT_COP_EVENTS_MODE, FLOW_MODE_STOP),
FLOW_REG_BITS_ENUM(HALT_COP_EVENTS_JTAG, ENABLED));
}
}
NORETURN void ExceptionHandlerImpl(s32 which, u32 lr, u32 svc_lr) {
/* TODO */
*reinterpret_cast<volatile u32 *>(0x40038004) = 0xCAFEBABE;
*reinterpret_cast<volatile u32 *>(0x40038008) = which;
*reinterpret_cast<volatile u32 *>(0x4003800C) = lr;
*reinterpret_cast<volatile u32 *>(0x40038010) = svc_lr;
ErrorStop();
ShowFatalError("Exception: which=%" PRId32 ", lr=%p, svc_lr=%p\n", which, reinterpret_cast<void *>(lr), reinterpret_cast<void *>(svc_lr));
}
}
@ -44,32 +28,39 @@ namespace ams::nxboot {
namespace ams::diag {
NORETURN void AbortImpl(const char *file, int line, const char *func, const char *expr, u64 value, const char *format, ...) {
AMS_UNUSED(file, line, func, expr, value, format);
{
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
*reinterpret_cast<volatile u32 *>(0x40038004) = lr;
}
ams::nxboot::ErrorStop();
AMS_UNUSED(file, line, func, expr, format);
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
nxboot::ShowFatalError("Abort called, lr=%p, value=%" PRIx64 "\n", reinterpret_cast<void *>(lr), value);
}
NORETURN void AbortImpl(const char *file, int line, const char *func, const char *expr, u64 value) {
AMS_UNUSED(file, line, func, expr, value);
{
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
*reinterpret_cast<volatile u32 *>(0x40038004) = lr;
}
ams::nxboot::ErrorStop();
AMS_UNUSED(file, line, func, expr);
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
nxboot::ShowFatalError("Abort called, lr=%p, value=%" PRIx64 "\n", reinterpret_cast<void *>(lr), value);
}
NORETURN void AbortImpl() {
{
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
*reinterpret_cast<volatile u32 *>(0x40038004) = lr;
}
ams::nxboot::ErrorStop();
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
nxboot::ShowFatalError("Abort called, lr=%p\n", reinterpret_cast<void *>(lr));
}
}
namespace ams::result::impl {
NORETURN void OnResultAbort(const char *file, int line, const char *func, const char *expr, Result result) {
::ams::diag::AbortImpl(file, line, func, expr, result.GetValue(), "Result Abort: 2%03" PRId32 "-%04" PRId32 "", result.GetModule(), result.GetDescription());
AMS_INFINITE_LOOP();
__builtin_unreachable();
}
NORETURN void OnResultAbort(Result result) {
OnResultAbort("", 0, "", "", result);
}
}