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Kevin O'Connorf076a3e2008-02-25 22:25:15 -05001// Basic x86 asm functions and function defs.
2//
Kevin O'Connor244caf82010-09-15 21:48:16 -04003// Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
Kevin O'Connorf076a3e2008-02-25 22:25:15 -05004//
Kevin O'Connorb1b7c2a2009-01-15 20:52:58 -05005// This file may be distributed under the terms of the GNU LGPLv3 license.
Kevin O'Connor786502d2008-02-27 10:41:41 -05006#ifndef __UTIL_H
7#define __UTIL_H
Kevin O'Connorf076a3e2008-02-25 22:25:15 -05008
Kevin O'Connor9521e262008-07-04 13:04:29 -04009#include "types.h" // u32
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050010
Kevin O'Connor786502d2008-02-27 10:41:41 -050011static inline void irq_disable(void)
12{
13 asm volatile("cli": : :"memory");
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050014}
15
Kevin O'Connor786502d2008-02-27 10:41:41 -050016static inline void irq_enable(void)
17{
18 asm volatile("sti": : :"memory");
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050019}
20
21static inline unsigned long irq_save(void)
22{
23 unsigned long flags;
Kevin O'Connor9c447c32010-05-23 10:24:22 -040024 asm volatile("pushfl ; popl %0" : "=g" (flags): :"memory");
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050025 irq_disable();
26 return flags;
27}
28
29static inline void irq_restore(unsigned long flags)
30{
31 asm volatile("pushl %0 ; popfl" : : "g" (flags) : "memory", "cc");
32}
33
Kevin O'Connor06ad44e2008-04-05 19:30:02 -040034static inline void cpu_relax(void)
35{
36 asm volatile("rep ; nop": : :"memory");
37}
38
Kevin O'Connor38fcbfe2008-02-25 22:30:47 -050039static inline void nop(void)
40{
41 asm volatile("nop");
42}
43
Kevin O'Connor95b2f782008-03-05 19:52:06 -050044static inline void hlt(void)
45{
Kevin O'Connor9c447c32010-05-23 10:24:22 -040046 asm volatile("hlt": : :"memory");
Kevin O'Connor95b2f782008-03-05 19:52:06 -050047}
48
Kevin O'Connorda4a6482008-06-08 13:48:06 -040049static inline void wbinvd(void)
50{
Kevin O'Connor9c447c32010-05-23 10:24:22 -040051 asm volatile("wbinvd": : :"memory");
Kevin O'Connorda4a6482008-06-08 13:48:06 -040052}
53
Kevin O'Connore97ca7b2009-06-21 09:10:28 -040054#define CPUID_MSR (1 << 5)
55#define CPUID_APIC (1 << 9)
56#define CPUID_MTRR (1 << 12)
Kevin O'Connor84ad59a2008-07-04 05:47:26 -040057static inline void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
58{
59 asm("cpuid"
60 : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
61 : "0" (index));
62}
63
Kevin O'Connore97ca7b2009-06-21 09:10:28 -040064static inline u64 rdmsr(u32 index)
65{
66 u64 ret;
67 asm ("rdmsr" : "=A"(ret) : "c"(index));
68 return ret;
69}
70
71static inline void wrmsr(u32 index, u64 val)
72{
73 asm volatile ("wrmsr" : : "c"(index), "A"(val));
74}
75
Kevin O'Connorbc2aecd2008-11-28 16:40:06 -050076static inline u64 rdtscll(void)
77{
78 u64 val;
79 asm volatile("rdtsc" : "=A" (val));
80 return val;
81}
82
Kevin O'Connor0bf92702009-08-01 11:45:37 -040083static inline u32 __ffs(u32 word)
84{
85 asm("bsf %1,%0"
86 : "=r" (word)
87 : "rm" (word));
88 return word;
89}
Kevin O'Connor86916ce2009-11-14 13:34:27 -050090static inline u32 __fls(u32 word)
91{
92 asm("bsr %1,%0"
93 : "=r" (word)
94 : "rm" (word));
95 return word;
96}
Kevin O'Connor0bf92702009-08-01 11:45:37 -040097
Kevin O'Connor68caaa72010-02-15 10:46:37 -050098static inline u16 __htons_constant(u16 val) {
99 return (val<<8) | (val>>8);
100}
101static inline u32 __htonl_constant(u32 val) {
102 return (val<<24) | ((val&0xff00)<<8) | ((val&0xff0000)>>8) | (val>>24);
103}
104static inline u32 __htonl(u32 val) {
105 asm("bswapl %0" : "+r"(val));
106 return val;
107}
108#define htonl(x) (__builtin_constant_p((u32)(x)) ? __htonl_constant(x) : __htonl(x))
109#define ntohl(x) htonl(x)
110#define htons(x) __htons_constant(x)
111#define ntohs(x) htons(x)
112
Isaku Yamahata2f54bb42010-07-20 16:37:16 +0900113static inline u16 cpu_to_le16(u16 x)
114{
115 return x;
116}
117
118static inline u32 cpu_to_le32(u32 x)
119{
120 return x;
121}
122
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500123static inline u32 getesp(void) {
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500124 u32 esp;
125 asm("movl %%esp, %0" : "=rm"(esp));
126 return esp;
127}
128
Kevin O'Connor91031ed2009-10-12 09:49:27 -0400129static inline void writel(void *addr, u32 val) {
130 *(volatile u32 *)addr = val;
131}
132static inline void writew(void *addr, u16 val) {
133 *(volatile u16 *)addr = val;
134}
135static inline void writeb(void *addr, u8 val) {
136 *(volatile u8 *)addr = val;
137}
138static inline u32 readl(const void *addr) {
139 return *(volatile const u32 *)addr;
140}
141static inline u16 readw(const void *addr) {
142 return *(volatile const u16 *)addr;
143}
144static inline u8 readb(const void *addr) {
145 return *(volatile const u8 *)addr;
146}
147
Kevin O'Connor942d4952009-06-10 22:44:06 -0400148#define call16_simpint(nr, peax, pflags) do { \
Kevin O'Connor0b60a062009-06-15 23:03:05 -0400149 ASSERT16(); \
Kevin O'Connor942d4952009-06-10 22:44:06 -0400150 asm volatile( \
Kevin O'Connor4ed378a2010-03-13 22:29:55 -0500151 "pushl %%ebp\n" \
152 "sti\n" \
Kevin O'Connor942d4952009-06-10 22:44:06 -0400153 "stc\n" \
154 "int %2\n" \
155 "pushfl\n" \
156 "popl %1\n" \
157 "cli\n" \
Kevin O'Connor4ed378a2010-03-13 22:29:55 -0500158 "cld\n" \
159 "popl %%ebp" \
160 : "+a"(*peax), "=c"(*pflags) \
Kevin O'Connor942d4952009-06-10 22:44:06 -0400161 : "i"(nr) \
Kevin O'Connor4ed378a2010-03-13 22:29:55 -0500162 : "ebx", "edx", "esi", "edi", "cc", "memory"); \
Kevin O'Connor942d4952009-06-10 22:44:06 -0400163 } while (0)
164
Kevin O'Connorae6924d2010-07-25 14:46:21 -0400165// GDT bits
Kevin O'Connorad901592009-12-13 11:25:25 -0500166#define GDT_CODE (0x9bULL << 40) // Code segment - P,R,A bits also set
167#define GDT_DATA (0x93ULL << 40) // Data segment - W,A bits also set
168#define GDT_B (0x1ULL << 54) // Big flag
169#define GDT_G (0x1ULL << 55) // Granularity flag
Kevin O'Connorae6924d2010-07-25 14:46:21 -0400170// GDT bits for segment base
171#define GDT_BASE(v) ((((u64)(v) & 0xff000000) << 32) \
172 | (((u64)(v) & 0x00ffffff) << 16))
173// GDT bits for segment limit (0-1Meg)
174#define GDT_LIMIT(v) ((((u64)(v) & 0x000f0000) << 32) \
175 | (((u64)(v) & 0x0000ffff) << 0))
176// GDT bits for segment limit (0-4Gig in 4K chunks)
177#define GDT_GRANLIMIT(v) (GDT_G | GDT_LIMIT((v) >> 12))
Kevin O'Connorad901592009-12-13 11:25:25 -0500178
179struct descloc_s {
180 u16 length;
181 u32 addr;
182} PACKED;
183
Kevin O'Connora83ff552009-01-01 21:00:59 -0500184// util.c
Kevin O'Connor9521e262008-07-04 13:04:29 -0400185struct bregs;
186inline void call16(struct bregs *callregs);
Kevin O'Connor6e5b4a42008-12-06 13:03:52 -0500187inline void call16big(struct bregs *callregs);
Kevin O'Connor9521e262008-07-04 13:04:29 -0400188inline void __call16_int(struct bregs *callregs, u16 offset);
Kevin O'Connor3a47a312008-03-01 14:46:37 -0500189#define call16_int(nr, callregs) do { \
190 extern void irq_trampoline_ ##nr (); \
Kevin O'Connor117fc212008-04-13 18:17:02 -0400191 __call16_int((callregs), (u32)&irq_trampoline_ ##nr ); \
Kevin O'Connor38fcbfe2008-02-25 22:30:47 -0500192 } while (0)
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500193u8 checksum_far(u16 buf_seg, void *buf_far, u32 len);
194u8 checksum(void *buf, u32 len);
195size_t strlen(const char *s);
196int memcmp(const void *s1, const void *s2, size_t n);
197int strcmp(const char *s1, const char *s2);
198inline void memset_far(u16 d_seg, void *d_far, u8 c, size_t len);
199inline void memset16_far(u16 d_seg, void *d_far, u16 c, size_t len);
200void *memset(void *s, int c, size_t n);
Gerd Hoffmann0a806082010-11-29 09:42:11 +0100201void memset_fl(void *ptr, u8 val, size_t size);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500202inline void memcpy_far(u16 d_seg, void *d_far
203 , u16 s_seg, const void *s_far, size_t len);
Kevin O'Connor8f59aa32010-06-06 16:11:45 -0400204void memcpy_fl(void *d_fl, const void *s_fl, size_t len);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500205void *memcpy(void *d1, const void *s1, size_t len);
Kevin O'Connor52a300f2009-12-26 23:32:57 -0500206#if MODESEGMENT == 0
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500207#define memcpy __builtin_memcpy
208#endif
209void iomemcpy(void *d, const void *s, u32 len);
210void *memmove(void *d, const void *s, size_t len);
211char *strtcpy(char *dest, const char *src, size_t len);
Kevin O'Connor2e109a62010-12-24 10:39:32 -0500212char *strchr(const char *s, int c);
Kevin O'Connor9f4e1d92009-02-08 15:44:08 -0500213int get_keystroke(int msec);
Kevin O'Connor38fcbfe2008-02-25 22:30:47 -0500214
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500215// stacks.c
Kevin O'Connoraf9629b2010-11-25 09:17:31 -0500216u32 call32(void *func, u32 eax, u32 errret);
Kevin O'Connorbca07362010-03-20 20:41:38 -0400217inline u32 stack_hop(u32 eax, u32 edx, void *func);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500218extern struct thread_info MainThread;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500219struct thread_info *getCurThread(void);
220void yield(void);
Kevin O'Connor9c447c32010-05-23 10:24:22 -0400221void wait_irq(void);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500222void run_thread(void (*func)(void*), void *data);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500223void wait_threads(void);
Kevin O'Connore9086652010-02-27 13:49:47 -0500224struct mutex_s { u32 isLocked; };
225void mutex_lock(struct mutex_s *mutex);
226void mutex_unlock(struct mutex_s *mutex);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500227void start_preempt(void);
228void finish_preempt(void);
Kevin O'Connord7eb27e2010-03-20 18:17:19 -0400229int wait_preempt(void);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500230void check_preempt(void);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500231
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500232// output.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500233void debug_serial_setup(void);
Kevin O'Connore07e18e2009-02-08 17:07:29 -0500234void panic(const char *fmt, ...)
Kevin O'Connordad41d92010-01-01 03:04:19 -0500235 __attribute__ ((format (printf, 1, 2))) __noreturn;
Kevin O'Connor567e4e32008-04-05 11:37:51 -0400236void printf(const char *fmt, ...)
237 __attribute__ ((format (printf, 1, 2)));
Kevin O'Connor2be312c2009-11-24 09:37:53 -0500238int snprintf(char *str, size_t size, const char *fmt, ...)
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400239 __attribute__ ((format (printf, 3, 4)));
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500240void __dprintf(const char *fmt, ...)
241 __attribute__ ((format (printf, 1, 2)));
242void __debug_enter(struct bregs *regs, const char *fname);
243void __debug_isr(const char *fname);
244void __debug_stub(struct bregs *regs, int lineno, const char *fname);
245void __warn_invalid(struct bregs *regs, int lineno, const char *fname);
246void __warn_unimplemented(struct bregs *regs, int lineno, const char *fname);
Kevin O'Connor7fb8ba82010-02-26 08:45:00 -0500247void __warn_internalerror(int lineno, const char *fname);
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500248void __warn_noalloc(int lineno, const char *fname);
249void __warn_timeout(int lineno, const char *fname);
250void __set_invalid(struct bregs *regs, int lineno, const char *fname);
251void __set_unimplemented(struct bregs *regs, int lineno, const char *fname);
252void __set_code_invalid(struct bregs *regs, u32 linecode, const char *fname);
253void __set_code_unimplemented(struct bregs *regs, u32 linecode
254 , const char *fname);
255void hexdump(const void *d, int len);
256
Kevin O'Connorac8df8c2008-05-24 23:46:33 -0400257#define dprintf(lvl, fmt, args...) do { \
258 if (CONFIG_DEBUG_LEVEL && (lvl) <= CONFIG_DEBUG_LEVEL) \
259 __dprintf((fmt) , ##args ); \
260 } while (0)
Kevin O'Connor15c1f222008-06-12 22:59:43 -0400261#define debug_enter(regs, lvl) do { \
262 if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
Kevin O'Connor05600342009-01-02 13:10:58 -0500263 __debug_enter((regs), __func__); \
Kevin O'Connor15c1f222008-06-12 22:59:43 -0400264 } while (0)
265#define debug_isr(lvl) do { \
266 if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
267 __debug_isr(__func__); \
268 } while (0)
Kevin O'Connor05600342009-01-02 13:10:58 -0500269#define debug_stub(regs) \
270 __debug_stub((regs), __LINE__, __func__)
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500271#define warn_invalid(regs) \
272 __warn_invalid((regs), __LINE__, __func__)
273#define warn_unimplemented(regs) \
274 __warn_unimplemented((regs), __LINE__, __func__)
Kevin O'Connor7fb8ba82010-02-26 08:45:00 -0500275#define warn_internalerror() \
276 __warn_internalerror(__LINE__, __func__)
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500277#define warn_noalloc() \
278 __warn_noalloc(__LINE__, __func__)
279#define warn_timeout() \
280 __warn_timeout(__LINE__, __func__)
281#define set_invalid(regs) \
282 __set_invalid((regs), __LINE__, __func__)
283#define set_code_invalid(regs, code) \
284 __set_code_invalid((regs), (code) | (__LINE__ << 8), __func__)
285#define set_unimplemented(regs) \
286 __set_unimplemented((regs), __LINE__, __func__)
287#define set_code_unimplemented(regs, code) \
288 __set_code_unimplemented((regs), (code) | (__LINE__ << 8), __func__)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500289
290// kbd.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500291void kbd_setup(void);
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500292void handle_15c2(struct bregs *regs);
Kevin O'Connor114592f2009-09-28 21:32:08 -0400293void process_key(u8 key);
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500294
Kevin O'Connorf54c1502008-06-14 15:56:16 -0400295// mouse.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500296void mouse_setup(void);
Kevin O'Connor57877482009-12-09 21:00:41 -0500297void process_mouse(u8 data);
Kevin O'Connorf54c1502008-06-14 15:56:16 -0400298
299// system.c
Kevin O'Connore7916362008-12-28 22:03:17 -0500300extern u32 RamSize;
301extern u64 RamSizeOver4G;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500302void mathcp_setup(void);
Kevin O'Connorf54c1502008-06-14 15:56:16 -0400303
Kevin O'Connor913cc2e2008-04-13 17:31:45 -0400304// serial.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500305void serial_setup(void);
306void lpt_setup(void);
Kevin O'Connor913cc2e2008-04-13 17:31:45 -0400307
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500308// clock.c
Kevin O'Connor991eaff2010-02-13 21:51:47 -0500309#define PIT_TICK_RATE 1193180 // Underlying HZ of PIT
310#define PIT_TICK_INTERVAL 65536 // Default interval for 18.2Hz timer
Kevin O'Connor144817b2010-05-23 10:46:49 -0400311static inline int check_tsc(u64 end) {
Kevin O'Connor89eb6242009-10-22 22:30:37 -0400312 return (s64)(rdtscll() - end) > 0;
313}
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500314void timer_setup(void);
Kevin O'Connorbc2aecd2008-11-28 16:40:06 -0500315void ndelay(u32 count);
316void udelay(u32 count);
317void mdelay(u32 count);
Kevin O'Connor10ad7992009-10-24 11:06:08 -0400318void nsleep(u32 count);
319void usleep(u32 count);
320void msleep(u32 count);
Kevin O'Connor4e6c9702008-12-13 10:45:50 -0500321u64 calc_future_tsc(u32 msecs);
Kevin O'Connor1c46a542009-10-17 23:53:32 -0400322u64 calc_future_tsc_usec(u32 usecs);
Kevin O'Connorb5cc2ca2010-05-23 11:38:53 -0400323u32 calc_future_timer_ticks(u32 count);
324u32 calc_future_timer(u32 msecs);
325int check_timer(u32 end);
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500326void handle_1583(struct bregs *regs);
Kevin O'Connor5be04902008-05-18 17:12:06 -0400327void handle_1586(struct bregs *regs);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500328void useRTC(void);
329void releaseRTC(void);
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500330
Kevin O'Connor95b2f782008-03-05 19:52:06 -0500331// apm.c
Kevin O'Connor244caf82010-09-15 21:48:16 -0400332void apm_shutdown(void);
Kevin O'Connorc0031482010-01-01 13:03:17 -0500333void handle_1553(struct bregs *regs);
Kevin O'Connor95b2f782008-03-05 19:52:06 -0500334
Kevin O'Connora0dc2962008-03-16 14:29:32 -0400335// pcibios.c
336void handle_1ab1(struct bregs *regs);
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500337void bios32_setup(void);
Kevin O'Connora0dc2962008-03-16 14:29:32 -0400338
Kevin O'Connorda4a6482008-06-08 13:48:06 -0400339// shadow.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500340void make_bios_writable(void);
341void make_bios_readonly(void);
Isaku Yamahata08328e72010-07-20 16:50:45 +0900342void make_bios_writable_intel(u16 bdf, u32 pam0);
343void make_bios_readonly_intel(u16 bdf, u32 pam0);
Kevin O'Connor244caf82010-09-15 21:48:16 -0400344void qemu_prep_reset(void);
Kevin O'Connorda4a6482008-06-08 13:48:06 -0400345
Isaku Yamahataaec19c92010-07-20 16:50:46 +0900346// smm.c
347void smm_save_and_copy(void);
348void smm_relocate_and_restore(void);
349
Isaku Yamahata58a38e82010-10-28 15:54:35 +0900350// pci_region.c
351// region allocator. pci region allocates the requested region
352// sequentially with overflow check.
353struct pci_region {
354 // The region is [first, last].
355 u32 first;
356 u32 last;
357
358 // The next allocation starts from here.
359 // i.e. [start, cur_first) is allocated.
360 // Right after initialization cur_first == first.
361 u32 cur_first;
362};
363// initialize the pci_region of [first, last]
364// last must not be 0xffffffff
365void pci_region_init(struct pci_region *r, u32 first, u32 last);
366// allocate the region of size
367u32 pci_region_alloc(struct pci_region *r, u32 size);
368// make the next allocation aligned to align
369u32 pci_region_align(struct pci_region *r, u32 align);
370// revert the allocation to addr.
371void pci_region_revert(struct pci_region *r, u32 addr);
372// make the allocation fail.
373u32 pci_region_disable(struct pci_region *r);
374// returns the current allocation point.
375u32 pci_region_addr(const struct pci_region *r);
376// returns the region size.
377u32 pci_region_size(const struct pci_region *r);
378
Kevin O'Connor0525d292008-07-04 06:18:30 -0400379// pciinit.c
Kevin O'Connor0d6b8d52010-07-10 13:12:37 -0400380extern const u8 pci_irqs[4];
381void pci_bios_allocate_regions(u16 bdf, void *arg);
Kevin O'Connor40f5b5a2009-09-13 10:46:57 -0400382void pci_setup(void);
Kevin O'Connora4d35762008-03-08 15:43:03 -0500383
Kevin O'Connorf7ba6d72008-07-04 05:05:54 -0400384// smm.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500385void smm_init(void);
Kevin O'Connorf7ba6d72008-07-04 05:05:54 -0400386
Kevin O'Connore97ca7b2009-06-21 09:10:28 -0400387// smp.c
Kevin O'Connor603bfc32009-06-22 20:04:56 -0400388extern u32 CountCPUs;
Kevin O'Connor84705852009-10-08 22:13:15 -0400389extern u32 MaxCountCPUs;
Kevin O'Connore97ca7b2009-06-21 09:10:28 -0400390void wrmsr_smp(u32 index, u64 val);
391void smp_probe(void);
Kevin O'Connor84ad59a2008-07-04 05:47:26 -0400392
Kevin O'Connorc7812932008-06-08 23:08:12 -0400393// coreboot.c
Kevin O'Connor1edc89d2009-04-30 21:50:35 -0400394struct cbfs_file;
Kevin O'Connore2304262010-06-13 16:05:17 -0400395struct cbfs_file *cbfs_finddatafile(const char *fname);
Kevin O'Connor1f836252009-08-16 20:17:35 -0400396struct cbfs_file *cbfs_findprefix(const char *prefix, struct cbfs_file *last);
Kevin O'Connor00882592009-08-18 22:21:10 -0400397u32 cbfs_datasize(struct cbfs_file *file);
Kevin O'Connor1f836252009-08-16 20:17:35 -0400398const char *cbfs_filename(struct cbfs_file *file);
Kevin O'Connor00882592009-08-18 22:21:10 -0400399int cbfs_copyfile(struct cbfs_file *file, void *dst, u32 maxlen);
Kevin O'Connor1f836252009-08-16 20:17:35 -0400400void cbfs_run_payload(struct cbfs_file *file);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500401void coreboot_copy_biostable(void);
402void coreboot_setup(void);
Kevin O'Connorc7812932008-06-08 23:08:12 -0400403
Kevin O'Connorcbffa8e2008-08-17 11:11:07 -0400404// vgahooks.c
Kevin O'Connor22e1b912009-07-19 18:52:46 -0400405extern int VGAbdf;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500406void handle_155f(struct bregs *regs);
Kevin O'Connor22e1b912009-07-19 18:52:46 -0400407void vgahook_setup(const char *vendor, const char *part);
Kevin O'Connorcbffa8e2008-08-17 11:11:07 -0400408
Kevin O'Connor714325c2008-11-01 20:32:27 -0400409// optionroms.c
Kevin O'Connor0a924122009-02-08 19:43:47 -0500410void call_bcv(u16 seg, u16 ip);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500411void optionrom_setup(void);
412void vga_setup(void);
413void s3_resume_vga_init(void);
Kevin O'Connore7739302009-07-26 19:16:09 -0400414extern u32 RomEnd;
Kevin O'Connor714325c2008-11-01 20:32:27 -0400415
Kevin O'Connorafbed1b2010-06-28 07:34:53 -0400416// bootsplash.c
417void enable_vga_console(void);
Kevin O'Connor9a01a9c2010-08-25 21:07:48 -0400418void enable_bootsplash(void);
Kevin O'Connorafbed1b2010-06-28 07:34:53 -0400419void disable_bootsplash(void);
420
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500421// resume.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500422void init_dma(void);
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500423
Kevin O'Connor0c3068d2008-12-21 17:51:36 -0500424// pnpbios.c
425#define PNP_SIGNATURE 0x506e5024 // $PnP
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500426u16 get_pnp_offset(void);
427void pnp_setup(void);
Kevin O'Connor0c3068d2008-12-21 17:51:36 -0500428
Kevin O'Connore54ee382009-07-26 19:33:13 -0400429// pmm.c
Kevin O'Connor415d4292009-08-30 19:19:31 -0400430extern struct zone_s ZoneLow, ZoneHigh, ZoneFSeg, ZoneTmpLow, ZoneTmpHigh;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500431void malloc_setup(void);
432void malloc_finalize(void);
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400433void *pmm_malloc(struct zone_s *zone, u32 handle, u32 size, u32 align);
434int pmm_free(void *data);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500435void pmm_setup(void);
436void pmm_finalize(void);
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400437#define PMM_DEFAULT_HANDLE 0xFFFFFFFF
Kevin O'Connor0bf92702009-08-01 11:45:37 -0400438// Minimum alignment of malloc'd memory
439#define MALLOC_MIN_ALIGN 16
Kevin O'Connor415d4292009-08-30 19:19:31 -0400440// Helper functions for memory allocation.
Kevin O'Connorf416fe92009-09-24 20:51:55 -0400441static inline void *malloc_low(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400442 return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connorf416fe92009-09-24 20:51:55 -0400443}
Kevin O'Connor415d4292009-08-30 19:19:31 -0400444static inline void *malloc_high(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400445 return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400446}
447static inline void *malloc_fseg(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400448 return pmm_malloc(&ZoneFSeg, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400449}
Kevin O'Connora576c9c2010-07-26 22:43:18 -0400450static inline void *malloc_tmplow(u32 size) {
451 return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
452}
Kevin O'Connor114592f2009-09-28 21:32:08 -0400453static inline void *malloc_tmphigh(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400454 return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connor114592f2009-09-28 21:32:08 -0400455}
Kevin O'Connor575ffc82010-02-21 23:20:10 -0500456static inline void *malloc_tmp(u32 size) {
457 void *ret = malloc_tmphigh(size);
458 if (ret)
459 return ret;
Kevin O'Connora576c9c2010-07-26 22:43:18 -0400460 return malloc_tmplow(size);
Kevin O'Connor575ffc82010-02-21 23:20:10 -0500461}
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400462static inline void *memalign_low(u32 align, u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400463 return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, align);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400464}
465static inline void *memalign_high(u32 align, u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400466 return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, align);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400467}
Kevin O'Connor12fa24a2010-09-15 00:25:32 -0400468static inline void *memalign_tmplow(u32 align, u32 size) {
469 return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, align);
470}
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400471static inline void *memalign_tmphigh(u32 align, u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400472 return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, align);
473}
Kevin O'Connor12fa24a2010-09-15 00:25:32 -0400474static inline void *memalign_tmp(u32 align, u32 size) {
475 void *ret = memalign_tmphigh(align, size);
476 if (ret)
477 return ret;
478 return memalign_tmplow(align, size);
479}
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400480static inline void free(void *data) {
481 pmm_free(data);
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400482}
Kevin O'Connore54ee382009-07-26 19:33:13 -0400483
Kevin O'Connor7061eb62009-01-04 21:48:22 -0500484// mtrr.c
485void mtrr_setup(void);
486
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500487// romlayout.S
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500488void reset_vector(void) __noreturn;
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500489
Kevin O'Connor30853762009-01-17 18:49:20 -0500490// misc.c
491extern u8 BiosChecksum;
492
Kevin O'Connorc95d2ce2009-07-29 20:41:39 -0400493// version (auto generated file out/version.c)
494extern const char VERSION[];
495
Kevin O'Connor786502d2008-02-27 10:41:41 -0500496#endif // util.h