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| author | Damien Zammit <damien@zamaudio.com> | 2024-02-07 05:02:15 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-02-08 00:27:18 +0100 |
| commit | caa07fdb903c6d533ce6dad1a66907d862e162ad (patch) | |
| tree | 923709e5ea823d461f3a53433f0cdd21c9cabf9f /i386/i386at/model_dep.c | |
| parent | 69477710c88420603f32e84511d9adc2923d0503 (diff) | |
| download | gnumach-caa07fdb903c6d533ce6dad1a66907d862e162ad.tar.gz gnumach-caa07fdb903c6d533ce6dad1a66907d862e162ad.tar.bz2 gnumach-caa07fdb903c6d533ce6dad1a66907d862e162ad.zip | |
Add HPET timer for small accurate delays
TESTED: This works in qemu correctly
TESTED: This works on an AMD board with ACPI v2.0 correctly
Message-ID: <20240207050158.1640853-3-damien@zamaudio.com>
Diffstat (limited to 'i386/i386at/model_dep.c')
| -rw-r--r-- | i386/i386at/model_dep.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/i386/i386at/model_dep.c b/i386/i386at/model_dep.c index 173b99f5..789271fd 100644 --- a/i386/i386at/model_dep.c +++ b/i386/i386at/model_dep.c @@ -221,6 +221,7 @@ void machine_init(void) */ /* FIXME: this may not allocate from below 1MB, if within first 16MB */ apboot_addr = vm_page_to_pa(vm_page_grab_contig(PAGE_SIZE, VM_PAGE_SEL_DMA)); + apboot_addr = 0x3000; assert (apboot_addr < 0x100000); /* @@ -229,6 +230,11 @@ void machine_init(void) */ gdt_descr_tmp.linear_base += apboot_addr; apboot_jmp_offset += apboot_addr; + + /* + * Initialize the HPET + */ + hpet_init(); #endif } |