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The hpet registers area is already wired, so use the vm_map_physical_memory()

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call with the true parameter. Fixes a panic at boot when using the hpet timers


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35453 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2010-02-11 15:57:59 +00:00
parent a0b5b08b2e
commit 0b102d72d5
1 changed files with 6 additions and 3 deletions
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9
src/system/kernel/arch/x86/timers/x86_hpet.cpp
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@ -12,6 +12,8 @@
#include <arch/int.h>
#include <arch/cpu.h>
#include <int.h>
#include <vm/vm.h>
#define TRACE_HPET
#ifdef TRACE_HPET
@ -171,9 +173,10 @@ hpet_init(struct kernel_args *args)
if (sHPETRegs == NULL) {
sHPETRegs = (struct hpet_regs *)args->arch_args.hpet;
if (map_physical_memory("hpet", (void *)args->arch_args.hpet_phys,
B_PAGE_SIZE, B_EXACT_ADDRESS, B_KERNEL_READ_AREA |
B_KERNEL_WRITE_AREA, (void **)&sHPETRegs) < B_OK) {
if (vm_map_physical_memory(B_SYSTEM_TEAM, "hpet",
(void **)&sHPETRegs, B_EXACT_ADDRESS, B_PAGE_SIZE,
B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA,
(addr_t)args->arch_args.hpet_phys, true) < B_OK) {
// Would it be better to panic here?
dprintf("hpet_init: Failed to map memory for the HPET registers.");
return B_ERROR;