Change license from GPLv3 to LGPLv3.

[seabios.git] / src / util.h

diff --git a/src/util.h b/src/util.h
index 3f7283f0a8328f2481d0725f64883c5ed7a187a8..7492c558963f6ddeccb2cf2a2baf0664c7139603 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -2,12 +2,11 @@
 //
 // 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)
 {
@@ -59,44 +58,29 @@ static inline void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *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);
-
-// 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)
+static inline u64 rdtscll(void)
 {
-    callregs->cs = SEG_BIOS;
-    callregs->ip = offset;
-    call16(callregs);
+    u64 val;
+    asm volatile("rdtsc" : "=A" (val));
+    return val;
 }
 
-#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), (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 debug_serial_setup();
@@ -111,64 +95,30 @@ void __dprintf(const char *fmt, ...)
         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_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, lvl) do {                     \
         if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL)       \
-            __debug_enter(__func__, regs);              \
+            __debug_enter((regs), __func__);            \
     } 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)
-
-// 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);
-}
-
-static inline void
-set_fail_silent(struct bregs *regs)
-{
-    set_cf(regs, 1);
-}
-
-static inline void
-set_code_fail_silent(struct bregs *regs, u8 code)
-{
-    regs->ah = code;
-    set_cf(regs, 1);
-}
-
-void __set_fail(const char *fname, struct bregs *regs);
-void __set_code_fail(const char *fname, struct bregs *regs, u8 code);
-
-#define set_fail(regs) \
-    __set_fail(__func__, (regs))
-#define set_code_fail(regs, code)               \
-    __set_code_fail(__func__, (regs), (code))
+#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
@@ -177,7 +127,10 @@ void lpt_setup();
 
 // clock.c
 void timer_setup();
-int usleep(u32 count);
+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);
 
@@ -187,9 +140,6 @@ 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();
@@ -202,6 +152,7 @@ void smm_init();
 
 // smpdetect.c
 int smp_probe(void);
+void smp_probe_setup(void);
 
 // mptable.c
 void mptable_init(void);
@@ -209,13 +160,28 @@ 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();
 
+// 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);
+
+// romlayout.S
+void reset_vector() __attribute__ ((noreturn));
+
 #endif // util.h