diff options
Diffstat (limited to 'sys/arch/amd64')
| -rw-r--r-- | sys/arch/amd64/amd64/machdep.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/arch/amd64/amd64/machdep.c b/sys/arch/amd64/amd64/machdep.c index a075532..0f04e7a 100644 --- a/sys/arch/amd64/amd64/machdep.c +++ b/sys/arch/amd64/amd64/machdep.c @@ -335,8 +335,8 @@ processor_init(void) /* Set %GS to cpu_info */ amd64_write_gs_base((uintptr_t)cur_cpu); + /* Try to enable SSE/SSE2 */ if (is_sse_supported()) { - /* Enable SSE/SSE2 */ reg_tmp = amd64_read_cr0(); reg_tmp &= ~(__BIT(2)); reg_tmp |= __BIT(1); @@ -353,10 +353,7 @@ processor_init(void) CPU_INFO_LOCK(cur_cpu); init_tss(cur_cpu); - /* - * See if there are things that have not been set up, - * set them up if so... - */ + /* Set up some ACPI things */ if (!__TEST(init_flags, INIT_FLAG_ACPI)) { /* * Parse the MADT... This is needed to fetch required information @@ -365,6 +362,8 @@ processor_init(void) init_flags |= INIT_FLAG_ACPI; acpi_parse_madt(cur_cpu); } + + /* Setup I/O APIC */ if (!__TEST(init_flags, INIT_FLAG_IOAPIC)) { init_flags |= INIT_FLAG_IOAPIC; ioapic_init(); @@ -372,7 +371,6 @@ processor_init(void) cur_cpu->lapic_base = acpi_get_lapic_base(); CPU_INFO_UNLOCK(cur_cpu); - lapic_init(); /* Use spectre mitigation if enabled */ |