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svcBreak: fix prototype, add and use BreakReason enum

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fincs 2020-08-04 13:24:50 +02:00
parent e0c1dfe2ce
commit 4c6abe1e41
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GPG Key ID: 62C7609ADA219C60
4 changed files with 25 additions and 11 deletions
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24
nx/include/switch/kernel/svc.h
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@ -108,6 +108,20 @@ typedef struct {
u64 X[8]; ///< Values of X0 through X7.
} PACKED SecmonArgs;
/// Break reasons
typedef enum {
BreakReason_Panic = 0,
BreakReason_Assert = 1,
BreakReason_User = 2,
BreakReason_PreLoadDll = 3,
BreakReason_PostLoadDll = 4,
BreakReason_PreUnloadDll = 5,
BreakReason_PostUnloadDll = 6,
BreakReason_CppException = 7,
BreakReason_NotificationOnlyFlag = 0x80000000,
} BreakReason;
/// Code memory mapping operations
typedef enum {
CodeMapOperation_MapOwner=0, ///< Map owner.
@ -603,14 +617,14 @@ Result svcGetThreadId(u64 *threadID, Handle handle);
///@{
/**
* @brief Breaks execution. Panic.
* @param[in] breakReason Break reason.
* @param[in] inval1 First break parameter.
* @param[in] inval2 Second break parameter.
* @brief Breaks execution.
* @param[in] breakReason Break reason (see \ref BreakReason).
* @param[in] address Address of the buffer to pass to the debugger.
* @param[in] size Size of the buffer to pass to the debugger.
* @return Result code.
* @note Syscall number 0x26.
*/
Result svcBreak(u32 breakReason, u64 inval1, u64 inval2);
Result svcBreak(u32 breakReason, uintptr_t address, uintptr_t size);
///@}

6
nx/source/kernel/levent.c
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@ -83,7 +83,7 @@ static bool _leventWait(u32* counter, bool clear, u64 timeout_ns) {
if (R_VALUE(res) == KERNELRESULT(TimedOut))
return false; // whoops, timed out
if (R_VALUE(res) != KERNELRESULT(InvalidState))
svcBreak(0, 0, 0); // should not happen
svcBreak(BreakReason_Assert, 0, 0); // should not happen
}
if (clear) {
@ -104,7 +104,7 @@ static bool _leventWait(u32* counter, bool clear, u64 timeout_ns) {
}
else {
// Invalid state - should not happen
svcBreak(0, 0, 0);
svcBreak(BreakReason_Assert, 0, 0);
}
}
@ -155,7 +155,7 @@ static void _leventSignal(u32* counter, bool autoclear) {
}
if (R_FAILED(res))
svcBreak(0, 0, 0); // should not happen
svcBreak(BreakReason_Assert, 0, 0); // should not happen
}
static void _leventClear(u32* counter) {

4
nx/source/kernel/mutex.c
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@ -57,7 +57,7 @@ void mutexLock(Mutex* m) {
// Ask the kernel to arbitrate the lock for us.
if (UNLIKELY(R_FAILED(svcArbitrateLock(value & ~HANDLE_WAIT_MASK, m, cur_handle)))) {
// This should be impossible under normal circumstances.
svcBreak(0, 0, 0);
svcBreak(BreakReason_Assert, 0, 0);
}
// Reload the value, and check if we got the lock.
@ -126,7 +126,7 @@ void mutexUnlock(Mutex* m) {
// Ask the kernel to arbitrate unlock for us.
if (UNLIKELY(R_FAILED(svcArbitrateUnlock(m)))) {
// This should be impossible under normal circumstances.
svcBreak(0, 0, 0);
svcBreak(BreakReason_Assert, 0, 0);
}
}
}

2
nx/source/services/fatal.c
View File

@ -14,7 +14,7 @@ static void _fatalCmd(Result err, FatalPolicy type, FatalCpuContext *ctx, u32 cm
if (type == FatalPolicy_ErrorScreen && !kernelAbove300()) type = FatalPolicy_ErrorReportAndErrorScreen;
if (detectDebugger()) {
svcBreak(0x80000000, err, 0);
svcBreak(BreakReason_Panic | BreakReason_NotificationOnlyFlag, (uintptr_t)&err, sizeof(err));
}
Handle session;