[haiku-bugs] Re: [Haiku] #9930: KDL in pci_mechpcie_read_config at the system start
- From: "siarzhuk" <trac@xxxxxxxxxxxx>
- Date: Sun, 18 Aug 2013 08:59:35 -0000
#9930: KDL in pci_mechpcie_read_config at the system start
-----------------------------+--------------------------------------
Reporter: siarzhuk | Owner: korli
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: System/Kernel | Version: R1/Development
Resolution: | Keywords: pci_mechpcie_read_config
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
-----------------------------+--------------------------------------
Comment (by siarzhuk):
The same information for GCC2 Hybrid:
{{{
Function pci_mechpcie_read_config(void *, unsigned char, unsigned char,
unsigned char, unsigned short, unsigned char, unsigned long *)
0003285c: 55 push %ebp
0003285d: 89e5 mov %esp,%ebp
0003285f: 57 push %edi
00032860: 56 push %esi
00032861: 53 push %ebx
00032862: e800000000 call 32867
00032867: 5b pop %ebx
00032868: 81c305890700 add $0x78905,%ebx
0003286e: 8b7520 mov 0x20(%ebp),%esi
00032871: 8b93a0000000 mov 0xa0(%ebx),%edx
00032877: 31c9 xor %ecx,%ecx
00032879: 8a4d0c mov 0xc(%ebp),%cl ; param 2 (
unsigned char)
0003287c: c1e114 shl $0x14,%ecx
0003287f: 8a4510 mov 0x10(%ebp),%al ; param 3 (
unsigned char)
00032882: 241f and $0x1f,%al
00032884: 25ff000000 and $0xff,%eax
00032889: c1e00f shl $0xf,%eax
0003288c: 09c1 or %eax,%ecx
0003288e: 8a4514 mov 0x14(%ebp),%al ; param 4 (
unsigned char)
00032891: 2407 and $0x7,%al
00032893: 25ff000000 and $0xff,%eax
00032898: c1e00c shl $0xc,%eax
0003289b: 09c1 or %eax,%ecx
0003289d: 8b4518 mov 0x18(%ebp),%eax
000328a0: 31ff xor %edi,%edi
000328a2: 80e40f and $0xf,%ah
000328a5: 25ffff0000 and $0xffff,%eax
000328aa: 09c1 or %eax,%ecx
000328ac: 31c0 xor %eax,%eax
000328ae: 8a451c mov 0x1c(%ebp),%al
000328b1: 030a add (%edx),%ecx
000328b3: 83f802 cmp $0x2,%eax
000328b6: 741c je 328d4
000328b8: 7f0a jg 328c4
000328ba: 83f801 cmp $0x1,%eax
000328bd: 740d je 328cc
000328bf: eb27 jmp 328e8
000328c1: 8d7600 lea 0x0(%esi),%esi
Referenced by (conditionnal) jump(s) at Address(es):
000328B8
000328c4: 83f804 cmp $0x4,%eax
000328c7: 7417 je 328e0
000328c9: eb1d jmp 328e8
000328cb: 90 nop
Referenced by (conditionnal) jump(s) at Address(es):
000328BD
000328cc: 31c0 xor %eax,%eax
000328ce: 8a01 mov (%ecx),%al
000328d0: 8906 mov %eax,(%esi)
000328d2: eb19 jmp 328ed
Referenced by (conditionnal) jump(s) at Address(es):
000328B6
000328d4: 31c0 xor %eax,%eax
000328d6: 668b01 mov (%ecx),%ax <<<<< FAULT HERE
<<<<<<
000328d9: 8906 mov %eax,(%esi)
000328db: eb10 jmp 328ed
000328dd: 8d7600 lea 0x0(%esi),%esi
Referenced by (conditionnal) jump(s) at Address(es):
000328C7
000328e0: 8b01 mov (%ecx),%eax
000328e2: 8906 mov %eax,(%esi)
000328e4: eb07 jmp 328ed
000328e6: 89f6 mov %esi,%esi
Referenced by (conditionnal) jump(s) at Address(es):
000328BF 000328C9
000328e8: bfffffffff mov $0xffffffff,%edi
Referenced by (conditionnal) jump(s) at Address(es):
000328D2 000328DB 000328E4
000328ed: 89f8 mov %edi,%eax
000328ef: 5b pop %ebx
000328f0: 5e pop %esi
000328f1: 5f pop %edi
000328f2: 89ec mov %ebp,%esp
000328f4: 5d pop %ebp
000328f5: c3 ret
}}}
--
Ticket URL: <http://dev.haiku-os.org/ticket/9930#comment:1>
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