#ifndef _I386_POSTCODE_H_
#define _I386_POSTCODE_H_
#ifndef DEBUG
#include <debug.h>
#endif
#define POSTPORT 0x80
#define SPINCOUNT 100000000
#define CPU_PAUSE() rep; nop
#if DEBUG
#if POSTCODE_DELAY
#define POSTCODE_AL \
outb %al,$(POSTPORT); \
movl $(SPINCOUNT), %eax; \
1: \
CPU_PAUSE(); \
decl %eax; \
jne 1b
#else
#define POSTCODE_AL \
outb %al,$(POSTPORT)
#endif
#define POSTCODE(XX) \
mov $(XX), %al; \
POSTCODE_AL
#define POSTCODE_SAVE_EAX(XX) \
push %eax; \
POSTCODE(XX); \
pop %eax
#define POSTCODE32_EBX \
roll $8, %ebx; \
movl %ebx, %eax; \
POSTCODE_AL; \
\
roll $8, %ebx; \
movl %ebx, %eax; \
POSTCODE_AL; \
\
roll $8, %ebx; \
movl %ebx, %eax; \
POSTCODE_AL; \
\
roll $8, %ebx; \
movl %ebx, %eax; \
POSTCODE_AL
#else
#define POSTCODE_AL
#define POSTCODE(X)
#define POSTCODE32_EBX
#endif
#define PSTART_ENTRY 0xFF
#define PSTART_PAGE_TABLES 0xFE
#define PSTART_BEFORE_PAGING 0xFD
#define VSTART_ENTRY 0xFC
#define VSTART_STACK_SWITCH 0xFB
#define VSTART_EXIT 0xFA
#define I386_INIT_ENTRY 0xF9
#define CPU_INIT_D 0xF8
#define PROCESSOR_BOOTSTRAP_D 0xF7
#define PE_INIT_PLATFORM_D 0xF6
#define THREAD_BOOTSTRAP_D 0xF5
#define SLAVE_PSTART_ENTRY 0xEF
#define REAL_TO_PROT_ENTRY 0xEE
#define REAL_TO_PROT_EXIT 0xED
#define STARTPROG_ENTRY 0xEC
#define STARTPROG_EXIT 0xEB
#define SLAVE_START_ENTRY 0xEA
#define SLAVE_START_EXIT 0xE9
#define SVSTART_ENTRY 0xE8
#define SVSTART_DESC_INIT 0xE7
#define SVSTART_STACK_SWITCH 0xE6
#define SVSTART_EXIT 0xE5
#define I386_INIT_SLAVE 0xE4
#define MP_KDP_ENTER 0xDB
#define PANIC_HLT 0xD1
#define ACPI_WAKE_START_ENTRY 0xCF
#define ACPI_WAKE_PROT_ENTRY 0xCE
#define ACPI_WAKE_PAGED_ENTRY 0xCD
#ifndef ASSEMBLER
inline static void
_postcode_delay(uint32_t spincount)
{
asm volatile("1: \n\t"
" rep; nop; \n\t"
" decl %%eax; \n\t"
" jne 1b"
: : "a" (spincount));
}
inline static void
_postcode(uint8_t xx)
{
asm volatile("outb %0, %1" : : "a" (xx), "N" (POSTPORT));
}
#if DEBUG
inline static void
postcode(uint8_t xx)
{
_postcode(xx);
#if POSTCODE_DELAY
_postcode_delay(SPINCOUNT);
#endif
}
#else
#define postcode(xx)
#endif
#endif
#endif