//
// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
//
-// This file may be distributed under the terms of the GNU GPLv3 license.
+// This file may be distributed under the terms of the GNU LGPLv3 license.
#ifndef __UTIL_H
#define __UTIL_H
-#include "ioport.h" // outb
-#include "biosvar.h" // struct bregs
+#include "types.h" // u32
static inline void irq_disable(void)
{
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");
asm volatile("hlt");
}
-// XXX - move this to a c file and use PANIC PORT.
-#define BX_PANIC(fmt, args...) do { \
- bprintf(0, fmt , ##args); \
- irq_disable(); \
- for (;;) \
- hlt(); \
- } while (0)
-
-#define BX_INFO(fmt, args...) bprintf(0, fmt , ##args)
-
-static inline void
-memset(void *s, int c, size_t n)
+static inline void wbinvd(void)
{
- while (n)
- ((char *)s)[--n] = c;
+ asm volatile("wbinvd");
}
-static inline void *
-memcpy(void *d1, const void *s1, size_t len)
+static inline void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
{
- u8 *d = d1;
- const u8 *s = s1;
-
- while (len--) {
- *d++ = *s++;
- }
- return d1;
+ asm("cpuid"
+ : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "0" (index));
}
-static inline void
-eoi_master_pic()
+static inline u64 rdtscll(void)
{
- outb(PIC1_IRQ5, PORT_PIC1);
+ u64 val;
+ asm volatile("rdtsc" : "=A" (val));
+ return val;
}
-static inline void
-eoi_both_pics()
-{
- outb(PIC2_IRQ13, PORT_PIC2);
- eoi_master_pic();
-}
-
-// Call a function with a specified register state. Note that on
-// return, the interrupt enable/disable flag may be altered.
-static inline
-void call16(struct bregs *callregs)
-{
- asm volatile(
-#ifdef MODE16
- "calll __call16\n"
-#else
- "calll __call16_from32\n"
-#endif
- : "+a" (callregs), "+m" (*callregs)
- :
- : "ebx", "ecx", "edx", "esi", "edi", "ebp", "cc");
-}
-
-static inline
-void __call16_int(struct bregs *callregs, u16 offset)
-{
- callregs->cs = SEG_BIOS;
- callregs->ip = offset;
- call16(callregs);
-}
-
-#ifdef MODE16
+// util.c
+inline u32 stack_hop(u32 eax, u32 edx, u32 ecx, void *func);
+u8 checksum(u8 *far_data, u32 len);
+void *memset(void *s, int c, size_t n);
+void *memcpy(void *d1, const void *s1, size_t len);
+void *memcpy_far(void *far_d1, const void *far_s1, size_t len);
+void *memmove(void *d, const void *s, size_t len);
+struct bregs;
+inline void call16(struct bregs *callregs);
+inline void call16big(struct bregs *callregs);
+inline void __call16_int(struct bregs *callregs, u16 offset);
#define call16_int(nr, callregs) do { \
extern void irq_trampoline_ ##nr (); \
- __call16_int((callregs), (u16)&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
+inline void call16_simpint(int nr, u32 *eax, u32 *flags);
// output.c
-void bprintf(u16 action, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-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_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(struct bregs *regs, const char *fname);
+void __debug_stub(struct bregs *regs, int lineno, const char *fname);
void __debug_isr(const char *fname);
-#define debug_enter(regs) \
- __debug_enter(__func__, regs)
-#define debug_stub(regs) \
- __debug_stub(__func__, regs)
-#define debug_isr(regs) \
- __debug_isr(__func__)
-#define printf(fmt, args...) \
- bprintf(1, fmt , ##args )
-
-// Frequently used return codes
-#define RET_EUNSUPPORTED 0x86
-static inline void
-set_success(struct bregs *regs)
-{
- set_cf(regs, 0);
-}
-
-static inline void
-set_code_success(struct bregs *regs)
-{
- regs->ah = 0;
- set_cf(regs, 0);
-}
-
-#define set_fail(regs) do { \
- __debug_fail(__func__, (regs)); \
- set_cf((regs), 1); \
+#define debug_enter(regs, lvl) do { \
+ if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
+ __debug_enter((regs), __func__); \
} while (0)
-
-#define set_code_fail(regs, code) do { \
- set_fail(regs); \
- (regs)->ah = (code); \
+#define debug_isr(lvl) do { \
+ if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
+ __debug_isr(__func__); \
} while (0)
+#define debug_stub(regs) \
+ __debug_stub((regs), __LINE__, __func__)
// kbd.c
+void kbd_setup();
void handle_15c2(struct bregs *regs);
+// mouse.c
+void mouse_setup();
+
+// system.c
+extern u32 RamSize;
+extern u64 RamSizeOver4G;
+void mathcp_setup();
+
+// serial.c
+void serial_setup();
+void lpt_setup();
+
// clock.c
+void timer_setup();
+void ndelay(u32 count);
+void udelay(u32 count);
+void mdelay(u32 count);
+u64 calc_future_tsc(u32 msecs);
void handle_1583(struct bregs *regs);
+void handle_1586(struct bregs *regs);
// apm.c
void VISIBLE16 handle_1553(struct bregs *regs);
-// util.c
-void usleep(u32 count);
+// pcibios.c
+void handle_1ab1(struct bregs *regs);
+
+// 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);
+void smp_probe_setup(void);
+
+// mptable.c
+void mptable_init(void);
+
+// smbios.c
+void smbios_init(void);
+
+// coreboot.c
+void coreboot_fill_map();
+
+// vgahooks.c
+void handle_155f();
+
+// optionroms.c
+void vga_setup();
+void optionrom_setup();
+
+// resume.c
+void init_dma();
+
+// pnpbios.c
+#define PNP_SIGNATURE 0x506e5024 // $PnP
+u16 get_pnp_offset();
+void pnp_setup();
+
+// mtrr.c
+void mtrr_setup(void);
-// rombios32.c
-void rombios32_init(void);
+// romlayout.S
+void reset_vector() __attribute__ ((noreturn));
#endif // util.h
projects / seabios.git / blobdiff