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从setupldr!BlStartup到setupldr!SlInit到setupldr!BlIoInitialize

news 2026/4/11 21:15:54

kd> gu
setupldr!MempCopyGdt+0x16a:
00302b0f 33c0 xor eax,eax
kd> gu
setupldr!InitializeMemorySubsystem+0x215:
00302fc0 5f pop edi

ARC_STATUS
InitializeMemorySubsystem(
PBOOT_CONTEXT BootContext
)
{

Status = MempCopyGdt();

//
// Find any reserved ranges described by the firmware and
// record these
//

return(Status);
}

kd> gu
eax=00000000 ebx=003013a2 ecx=0033e27c edx=00064544 esi=00024538 edi=0038164f
eip=0030128a esp=00060ecc ebp=00060ed0 iopl=0 nv up di pl zr na pe nc
cs=0008 ss=0010 ds=0010 es=0010 fs=0030 gs=0000 efl=00000046
setupldr!DoGlobalInitialization+0x1d:
0030128a 85c0 test eax,eax
kd> gu
eax=00000017 ebx=003013a2 ecx=00000108 edx=000fffe0 esi=00024538 edi=0038164f
eip=003013ba esp=00060edc ebp=00061ff0 iopl=0 nv up di pl zr na pe nc
cs=0008 ss=0010 ds=0010 es=0010 fs=0030 gs=0000 efl=00000046
setupldr!NtProcessStartup+0x18:
003013ba 56 push esi

//
// Call off to regular startup code
//
BlStartup(BootPartitionName);

kd> g
Breakpoint 5 hit
eax=00000000 ebx=003013a2 ecx=00000000 edx=003095f0 esi=00060f00 edi=365b365a
eip=00322864 esp=00060ed4 ebp=00061ff0 iopl=0 nv up di pl zr na pe nc
cs=0008 ss=0010 ds=0010 es=0010 fs=0030 gs=0000 efl=00000046
setupldr!BlStartup:
00322864 55 push ebp
kd> kc
#
00 setupldr!BlStartup
01 setupldr!NtProcessStartup
WARNING: Frame IP not in any known module. Following frames may be wrong.
02 0x0
03 0x0
04 0x0
05 0x0
06 0x0
07 0x0
08 0x0
09 0x0
0a 0x0
0b 0x0
0c 0x0
0d 0x0
0e 0x0
0f 0x0
10 0x0

VOID
BlStartup(
IN PCHAR PartitionName
)
{
Status = SlInit( Argc, Argv, NULL );

kd> kc
#
00 setupldr!SlInit
01 setupldr!BlStartup
02 setupldr!NtProcessStartup
WARNING: Frame IP not in any known module. Following frames may be wrong.
03 0x0
04 0x0
05 0x0
06 0x0
07 0x0
08 0x0
09 0x0
0a 0x0
0b 0x0
0c 0x0
0d 0x0
0e 0x0
0f 0x0
10 0x0
11 0x0

ARC_STATUS
SlInit(
IN ULONG Argc,
IN CHAR * FIRMWARE_PTR * FIRMWARE_PTR Argv,
IN CHAR * FIRMWARE_PTR * FIRMWARE_PTR Envp
)
{
//
// Initialize the OS loader I/O system.
//

Status = BlIoInitialize();

kd> kc
#
00 setupldr!BlIoInitialize
01 setupldr!SlInit
02 setupldr!BlStartup
03 setupldr!NtProcessStartup
WARNING: Frame IP not in any known module. Following frames may be wrong.
04 0x0
05 0x0
06 0x0
07 0x0
08 0x0
09 0x0
0a 0x0
0b 0x0
0c 0x0
0d 0x0
0e 0x0
0f 0x0
10 0x0
11 0x0
12 0x0