diff options
Diffstat (limited to 'SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandlerFuncs.c')
| -rw-r--r-- | SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandlerFuncs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandlerFuncs.c b/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandlerFuncs.c index b2d4c37a9..ccf3fb184 100644 --- a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandlerFuncs.c +++ b/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandlerFuncs.c @@ -18,6 +18,7 @@ Read IDT entry to check if IDT entries are setup by Debug Agent.
@param[in] IdtDescriptor Pointer to IDT Descriptor.
+ @param[in] InterruptType Interrupt type.
@retval TRUE IDT entries were setup by Debug Agent.
@retval FALSE IDT entries were not setuo by Debug Agent.
@@ -25,7 +26,8 @@ **/
BOOLEAN
CheckDebugAgentHandler (
- IN IA32_DESCRIPTOR *IdtDescriptor
+ IN IA32_DESCRIPTOR *IdtDescriptor,
+ IN UINTN InterruptType
)
{
IA32_IDT_GATE_DESCRIPTOR *IdtEntry;
@@ -36,8 +38,9 @@ CheckDebugAgentHandler ( return FALSE;
}
- InterruptHandler = IdtEntry[0].Bits.OffsetLow + (IdtEntry[0].Bits.OffsetHigh << 16);
- if (InterruptHandler >= 4 && *(UINT32 *)(InterruptHandler - 4) == AGENT_HANDLER_SIGNATURE) {
+ InterruptHandler = IdtEntry[InterruptType].Bits.OffsetLow +
+ (IdtEntry[InterruptType].Bits.OffsetHigh << 16);
+ if (InterruptHandler >= sizeof (UINT32) && *(UINT32 *)(InterruptHandler - sizeof (UINT32)) == AGENT_HANDLER_SIGNATURE) {
return TRUE;
} else {
return FALSE;
|