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Assembly Routines

include/asm.h View source View on GitHub

Structs

Section titled “Structs”

__IRQS_DISABLED_ctx

Section titled “__IRQS_DISABLED_ctx”
TSA_REENTRANT_CAPABILITY_DECLARE("irqs", IRQS_DISABLED) (2 declarations) source
§ struct __IRQS_DISABLED_ctx
§ struct __IRQS_DISABLED_ctx IRQS_DISABLED

Functions

Section titled “Functions”

inb

Section titled “inb”
uint8_t inb(uint16_t port)
source

inw

Section titled “inw”
uint16_t inw(uint16_t port)
source

inl

Section titled “inl”
uint32_t inl(uint16_t port)
source

insb

Section titled “insb”
void insb(uint16_t port, void *addr, uint32_t count)
source

insw

Section titled “insw”
void insw(uint16_t port, void *addr, uint32_t count)
source

insl

Section titled “insl”
void insl(uint16_t port, void *addr, uint32_t count)
source

outb

Section titled “outb”
void outb(uint16_t port, uint8_t value)
source

outw

Section titled “outw”
void outw(uint16_t port, uint16_t value)
source

outl

Section titled “outl”
void outl(uint16_t port, uint32_t value)
source

outsw

Section titled “outsw”
void outsw(uint16_t port, const void *addr, uint32_t count)
source

outsb

Section titled “outsb”
void outsb(uint16_t port, const void *addr, uint32_t count)
source

outsl

Section titled “outsl”
void outsl(uint16_t port, const void *addr, uint32_t count)
source

cr8_write

Section titled “cr8_write”
void cr8_write(uint64_t cr8)
source

rdtsc

Section titled “rdtsc”
uint64_t rdtsc(void)
source

rdtsc_ordered

Section titled “rdtsc_ordered”
uint64_t rdtsc_ordered(void)
source

cpuid_count

Section titled “cpuid_count”
void cpuid_count(
    uint32_t leaf,
    uint32_t subleaf,
    uint32_t *eax,
    uint32_t *ebx,
    uint32_t *ecx,
    uint32_t *edx
)
source

cr0_read

Section titled “cr0_read”
uint64_t cr0_read(void)
source

cr0_write

Section titled “cr0_write”
void cr0_write(uint64_t cr0)
source

cr4_read

Section titled “cr4_read”
uint64_t cr4_read(void)
source

cr4_write

Section titled “cr4_write”
void cr4_write(uint64_t cr4)
source

irqs_enabled

Section titled “irqs_enabled”
bool irqs_enabled(void)
source

wrmsr

Section titled “wrmsr”
void wrmsr(uint32_t msr, uint64_t value)
source

rdmsr

Section titled “rdmsr”
uint64_t rdmsr(uint32_t msr)
source

io_port_wait

Section titled “io_port_wait”
void io_port_wait(void)
source

irq_enable

Section titled “irq_enable”
void irq_enable(void)
source

irq_disable

Section titled “irq_disable”
void irq_disable(void)
source

irq_enable_untracked

Section titled “irq_enable_untracked”
void irq_enable_untracked(void)
source

irq_disable_save

Section titled “irq_disable_save”
bool irq_disable_save(void)
source

irq_restore

Section titled “irq_restore”
void irq_restore(bool was_enabled)
source

irq_save_guard_exit

Section titled “irq_save_guard_exit”
void irq_save_guard_exit(bool *was_enabled)
source

tlb_invlpg

Section titled “tlb_invlpg”
void tlb_invlpg(uint64_t virt)
source

cr2_read

Section titled “cr2_read”
uint64_t cr2_read(void)
source

cr3_read

Section titled “cr3_read”
uint64_t cr3_read(void)
source

cr3_write

Section titled “cr3_write”
void cr3_write(uint64_t cr3)
source

tlb_flush

Section titled “tlb_flush”
void tlb_flush(void)
source

cpu_pause

Section titled “cpu_pause”
void cpu_pause(void)
source

cpu_halt

Section titled “cpu_halt”
void cpu_halt(void)
source

cpu_freeze

Section titled “cpu_freeze”
void cpu_freeze(void)
source

cpu_idle

Section titled “cpu_idle”
void cpu_idle(void)
source

sti; hlt: ends the caller’s interrupts-off region

bit_clz8

Section titled “bit_clz8”
int bit_clz8(uint8_t a)
source

cpu_memory_barrier

Section titled “cpu_memory_barrier”
void cpu_memory_barrier(void)
source

cpu_full_fence

Section titled “cpu_full_fence”
void cpu_full_fence(void)
source

rdtsc_after_stores

Section titled “rdtsc_after_stores”
uint64_t rdtsc_after_stores(void)
source

rdtsc_before_loads

Section titled “rdtsc_before_loads”
uint64_t rdtsc_before_loads(void)
source

Macros

Section titled “Macros”

MSR_GS_BASE

Section titled “MSR_GS_BASE”
#define MSR_GS_BASE 0xC0000101
source

irq_save_guard

Section titled “irq_save_guard”
#define irq_save_guard()
source
Expansion
#define irq_save_guard() \
    cc_cleanup(irq_save_guard_exit) bool PP_CONCAT( \
        irq_save_guard_, __COUNTER__) = irq_disable_save()

irq_disable_guard

Section titled “irq_disable_guard”
#define irq_disable_guard()
source
Expansion
#define irq_disable_guard() irq_save_guard()