diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2000-10-16 03:22:07 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2000-10-16 03:22:07 +0000 |
| commit | a6cc64aa186e55eb9202907ea7f6928767796b23 (patch) | |
| tree | fa5fc1f12f4ea01894538ef49ebb09ddb778aef4 /sys/arch/i386/pci/pcibios.c | |
| parent | 3465db04ba1ba4b9d66a74e34d2f2014433f866b (diff) | |
a little verbosity on probe, a little caution on bios calls
Diffstat (limited to 'sys/arch/i386/pci/pcibios.c')
| -rw-r--r-- | sys/arch/i386/pci/pcibios.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/sys/arch/i386/pci/pcibios.c b/sys/arch/i386/pci/pcibios.c index 4fa9ba2b1a5..6076854a811 100644 --- a/sys/arch/i386/pci/pcibios.c +++ b/sys/arch/i386/pci/pcibios.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcibios.c,v 1.14 2000/09/22 02:00:43 mickey Exp $ */ +/* $OpenBSD: pcibios.c,v 1.15 2000/10/16 03:22:06 mickey Exp $ */ /* $NetBSD: pcibios.c,v 1.5 2000/08/01 05:23:59 uch Exp $ */ /* @@ -170,12 +170,25 @@ pcibiosprobe(parent, match, aux) { struct bios_attach_args *ba = aux; u_int32_t rev_maj, rev_min, mech1, mech2, scmech1, scmech2, maxbus; + int rv; + + if (strcmp(ba->bios_dev, "pcibios")) + return 0; + + rv = bios32_service(PCIBIOS_SIGNATURE, &pcibios_entry, + &pcibios_entry_info); - return (!strcmp(ba->bios_dev, "pcibios") && - bios32_service(PCIBIOS_SIGNATURE, &pcibios_entry, - &pcibios_entry_info) && +#ifdef PCIBIOSVERBOSE + printf("pcibiosprobe: 0x%lx:0x%lx at 0x%lx[0x%lx]\n", + pcibios_entry.segment, + pcibios_entry.offset, + pcibios_entry_info.bei_base, + pcibios_entry_info.bei_size); +#endif + + return rv && pcibios_get_status(NULL, &rev_maj, &rev_min, &mech1, &mech2, - &scmech1, &scmech2, &maxbus) == PCIBIOS_SUCCESS); + &scmech1, &scmech2, &maxbus) == PCIBIOS_SUCCESS; } int pcibios_flags = -1; @@ -370,11 +383,13 @@ pcibios_get_status(sc, rev_maj, rev_min, mech1, mech2, scmech1, scmech2, maxbus) u_int32_t ax, bx, cx, edx; int rv; - __asm __volatile("pushl %%ds\n\t" - "movl 4(%%edi), %%ecx\n\t" + __asm __volatile("pushl %%es\n\t" + "pushl %%ds\n\t" + "movw 4(%%edi), %%ecx\n\t" "movl %%ecx, %%ds\n\t" "lcall %%cs:(%%edi)\n\t" "pop %%ds\n\t" + "pop %%es\n\t" "jc 1f\n\t" "xor %%ah, %%ah\n" "1:" @@ -426,7 +441,7 @@ pcibios_get_intr_routing(sc, table, nentries, exclirq) __asm __volatile("pushl %%es\n\t" "pushl %%ds\n\t" - "movl 4(%%esi), %%ecx\n\t" + "movw 4(%%esi), %%ecx\n\t" "movl %%ecx, %%ds\n\t" "lcall %%cs:(%%esi)\n\t" "popl %%ds\n\t" |