blob: 47ce0c7e3379c34985debdf224e8c83b454453e6 [file] [log] [blame]
// Basic x86 asm functions and function defs.
//
// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#ifndef __UTIL_H
#define __UTIL_H
#include "types.h" // u32
static inline void irq_disable(void)
{
asm volatile("cli": : :"memory");
}
static inline void irq_enable(void)
{
asm volatile("sti": : :"memory");
}
static inline unsigned long irq_save(void)
{
unsigned long flags;
asm volatile("pushfl ; popl %0" : "=g" (flags));
irq_disable();
return flags;
}
static inline void irq_restore(unsigned long flags)
{
asm volatile("pushl %0 ; popfl" : : "g" (flags) : "memory", "cc");
}
static inline void cpu_relax(void)
{
asm volatile("rep ; nop": : :"memory");
}
static inline void nop(void)
{
asm volatile("nop");
}
static inline void hlt(void)
{
asm volatile("hlt");
}
static inline void wbinvd(void)
{
asm volatile("wbinvd");
}
static inline void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
{
asm("cpuid"
: "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
: "0" (index));
}
void *memset(void *s, int c, size_t n);
void *memcpy(void *d1, const void *s1, size_t len);
void *memmove(void *d, const void *s, size_t len);
struct bregs;
inline void call16(struct bregs *callregs);
inline void __call16_int(struct bregs *callregs, u16 offset);
#ifdef MODE16
#define call16_int(nr, callregs) do { \
extern void irq_trampoline_ ##nr (); \
__call16_int((callregs), (u32)&irq_trampoline_ ##nr ); \
} while (0)
#else
#include "../out/rom16.offset.auto.h"
#define call16_int(nr, callregs) \
__call16_int((callregs), OFFSET_irq_trampoline_ ##nr )
#endif
// output.c
void debug_serial_setup();
void BX_PANIC(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)))
__attribute__ ((noreturn));
void printf(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
void __dprintf(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
#define dprintf(lvl, fmt, args...) do { \
if (CONFIG_DEBUG_LEVEL && (lvl) <= CONFIG_DEBUG_LEVEL) \
__dprintf((fmt) , ##args ); \
} while (0)
void __debug_enter(const char *fname, struct bregs *regs);
void __debug_fail(const char *fname, struct bregs *regs);
void __debug_stub(const char *fname, struct bregs *regs);
void __debug_isr(const char *fname);
#define debug_enter(regs, lvl) do { \
if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
__debug_enter(__func__, regs); \
} while (0)
#define debug_isr(lvl) do { \
if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
__debug_isr(__func__); \
} while (0)
#define debug_stub(regs) \
__debug_stub(__func__, regs)
// kbd.c
void handle_15c2(struct bregs *regs);
// mouse.c
void mouse_setup();
// system.c
void mathcp_setup();
// serial.c
void serial_setup();
void lpt_setup();
// clock.c
void timer_setup();
int usleep(u32 count);
void handle_1583(struct bregs *regs);
void handle_1586(struct bregs *regs);
// apm.c
void VISIBLE16 handle_1553(struct bregs *regs);
// pcibios.c
void handle_1ab1(struct bregs *regs);
// util.c
u8 checksum(u8 *far_data, u32 len);
// shadow.c
void make_bios_writable();
void make_bios_readonly();
// pciinit.c
void pci_bios_setup(void);
// smm.c
void smm_init();
// smpdetect.c
int smp_probe(void);
// mptable.c
void mptable_init(void);
// smbios.c
void smbios_init(void);
// boot.c
void printf_bootdev(u16 bootdev);
// post_menu.c
void interactive_bootmenu();
// coreboot.c
void coreboot_fill_map();
#endif // util.h