diff options
| author | Ted Unangst <tedu@cvs.openbsd.org> | 2004-08-05 04:56:06 +0000 |
|---|---|---|
| committer | Ted Unangst <tedu@cvs.openbsd.org> | 2004-08-05 04:56:06 +0000 |
| commit | b70a1781bf06b254f036778a4d56ef32b9c90cd0 (patch) | |
| tree | 95eb591ca9505462c2273254c6e3b5cc5801e0cf | |
| parent | 4b0ff68364924a0d97ce85e4d199a86536d3da3c (diff) | |
unmap bios when done. from form@pdp-11.org.ru via grange
| -rw-r--r-- | sys/arch/i386/i386/powernow-k7.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/arch/i386/i386/powernow-k7.c b/sys/arch/i386/i386/powernow-k7.c index 0f991adb309..ad4c5f79f97 100644 --- a/sys/arch/i386/i386/powernow-k7.c +++ b/sys/arch/i386/i386/powernow-k7.c @@ -1,4 +1,4 @@ -/* $OpenBSD: powernow-k7.c,v 1.2 2004/07/14 05:38:37 tedu Exp $ */ +/* $OpenBSD: powernow-k7.c,v 1.3 2004/08/05 04:56:05 tedu Exp $ */ /* * Copyright (c) 2004 Martin Végiard. * All rights reserved. @@ -107,16 +107,19 @@ k7_powernow_getstates(uint32_t signature) struct psb_s *psb; struct pst_s *pst; char *ptr; + bus_space_handle_t bh; /* * Look in the 0xe0000 - 0x20000 physical address * range for the pst tables; 16 byte blocks */ - if (bus_space_map(I386_BUS_SPACE_MEM, BIOS_START, BIOS_LEN, 0, - (bus_space_handle_t *)&ptr)) { + if (bus_space_map(I386_BUS_SPACE_MEM, BIOS_START, BIOS_LEN, 0, &bh)) { printf("k7_powernow: couldn't map BIOS\n"); return NULL; } + ptr = malloc(BIOS_LEN, M_DEVBUF, M_NOWAIT); + memcpy(ptr, (void *)bh, BIOS_LEN); + bus_space_unmap(I386_BUS_SPACE_MEM, bh, BIOS_LEN); for (i = 0; i < BIOS_LEN; i += 16, ptr += 16) { if (memcmp(ptr, "AMDK7PNOW!", 10) == 0) { |