RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

i386/shared/pci/pcibios.c: Remove unused pcib_special_cycle()

Browse Source
This commit is contained in:
Joel Sherrill
2016-03-02 13:30:27 -06:00
parent 12c9dc8ff5
commit 8ce16a4766
1 changed files with 0 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
c/src/lib/libbsp/i386/shared/pci/pcibios.c
View File

@@ -287,36 +287,6 @@ pci_bus_count(void)
return ucBusCount; return ucBusCount;
} }
/*
* Generate Special Cycle
*/
int
pcib_special_cycle(int busNo, int data)
{
if (!pcibInitialized) {
return PCIB_ERR_UNINITIALIZED;
}
pcibExchg[0] = pcibEntry;
pcibExchg[1] = busNo << 8;
pcibExchg[2] = data;
__asm__ (" pusha");
__asm__ (" movl pcibExchg, %edi");
__asm__ (" movb $0xb1, %ah");
__asm__ (" movb $0x06, %al");
__asm__ (" movl pcibExchg+4, %ebx");
__asm__ (" movl pcibExchg+8, %edx");
__asm__ (" pushl %cs");
__asm__ (" call *%edi");
__asm__ (" movl %eax, pcibExchg");
__asm__ (" movl %ebx, pcibExchg+4");
__asm__ (" popa");
return pcib_convert_err((pcibExchg[0] >> 8) & 0xff);
}
/* /*
* Read byte from config space * Read byte from config space
*/ */