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- Fix some bugs in LDT switch (EDI->EBP)

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- Turn simple bugcheck into BugCheckEx with information that the helpfile says it should have.

svn path=/trunk/; revision=24183
This commit is contained in:
Alex Ionescu 2006-09-18 00:17:53 +00:00
parent 8de07ee7b4
commit 63da586075
1 changed files with 12 additions and 5 deletions
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17
reactos/ntoskrnl/ke/i386/ctxswitch.S
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@ -305,14 +305,14 @@ GetSwapLock:
#endif #endif
/* Increase context switches (use ES for lazy load) */ /* Increase context switches (use ES for lazy load) */
//inc dword ptr es:[ebx+KPCR_CONTEXT_SWITCHES] inc dword ptr es:[ebx+KPCR_CONTEXT_SWITCHES]
/* Save the Exception list */ /* Save the Exception list */
push [ebx+KPCR_EXCEPTION_LIST] push [ebx+KPCR_EXCEPTION_LIST]
/* Check for WMI */ /* Check for WMI */
cmp dword ptr [ebx+KPCR_PERF_GLOBAL_GROUP_MASK], 0 cmp dword ptr [ebx+KPCR_PERF_GLOBAL_GROUP_MASK], 0
//jnz WmiTrace jnz WmiTrace
AfterTrace: AfterTrace:
/* Update kernel stack */ /* Update kernel stack */
@ -419,14 +419,14 @@ ApcReturn:
LdtReload: LdtReload:
/* Check if it's empty */ /* Check if it's empty */
mov eax, [edi+KPROCESS_LDT_DESCRIPTOR0] mov eax, [ebp+KPROCESS_LDT_DESCRIPTOR0]
test eax, eax test eax, eax
jz LoadLdt jz LoadLdt
/* Write the LDT Selector */ /* Write the LDT Selector */
mov ecx, [ebx+KPCR_GDT] mov ecx, [ebx+KPCR_GDT]
mov [ecx+KGDT_LDT], eax mov [ecx+KGDT_LDT], eax
mov eax, [edi+KPROCESS_LDT_DESCRIPTOR1] mov eax, [ebp+KPROCESS_LDT_DESCRIPTOR1]
mov [ecx+KGDT_LDT+4], eax mov [ecx+KGDT_LDT+4], eax
/* Write the INT21 handler */ /* Write the INT21 handler */
@ -452,8 +452,15 @@ WmiTrace:
jmp AfterTrace jmp AfterTrace
BugCheckDpc: BugCheckDpc:
/* Bugcheck the machine, printing out the threads being switched */
mov eax, [edi+KTHREAD_INITIAL_STACK]
push 0
push eax
push esi
push edi
push ATTEMPTED_SWITCH_FROM_DPC push ATTEMPTED_SWITCH_FROM_DPC
call _KeBugCheck@4 call _KeBugCheckEx@20
.endfunc .endfunc
/*++ /*++