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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
Kevin O'Connor9eb21002012-01-29 13:30:56 -050021static inline u32 save_flags(void)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050022{
Kevin O'Connor9eb21002012-01-29 13:30:56 -050023 u32 flags;
24 asm volatile("pushfl ; popl %0" : "=rm" (flags));
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050025 return flags;
26}
27
Kevin O'Connor9eb21002012-01-29 13:30:56 -050028static inline void restore_flags(u32 flags)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050029{
30 asm volatile("pushl %0 ; popfl" : : "g" (flags) : "memory", "cc");
31}
32
Kevin O'Connor06ad44e2008-04-05 19:30:02 -040033static inline void cpu_relax(void)
34{
35 asm volatile("rep ; nop": : :"memory");
36}
37
Kevin O'Connor38fcbfe2008-02-25 22:30:47 -050038static inline void nop(void)
39{
40 asm volatile("nop");
41}
42
Kevin O'Connor95b2f782008-03-05 19:52:06 -050043static inline void hlt(void)
44{
Kevin O'Connor9c447c32010-05-23 10:24:22 -040045 asm volatile("hlt": : :"memory");
Kevin O'Connor95b2f782008-03-05 19:52:06 -050046}
47
Kevin O'Connorda4a6482008-06-08 13:48:06 -040048static inline void wbinvd(void)
49{
Kevin O'Connor9c447c32010-05-23 10:24:22 -040050 asm volatile("wbinvd": : :"memory");
Kevin O'Connorda4a6482008-06-08 13:48:06 -040051}
52
Kevin O'Connor745de852012-01-29 14:15:14 -050053#define CPUID_TSC (1 << 4)
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'Connor9eb21002012-01-29 13:30:56 -050057static inline void __cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
Kevin O'Connor84ad59a2008-07-04 05:47:26 -040058{
59 asm("cpuid"
60 : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
61 : "0" (index));
62}
63
Kevin O'Connor87b533b2011-07-10 22:35:07 -040064static inline u32 getcr0(void) {
65 u32 cr0;
66 asm("movl %%cr0, %0" : "=r"(cr0));
67 return cr0;
68}
69static inline void setcr0(u32 cr0) {
70 asm("movl %0, %%cr0" : : "r"(cr0));
71}
72
Kevin O'Connore97ca7b2009-06-21 09:10:28 -040073static inline u64 rdmsr(u32 index)
74{
75 u64 ret;
76 asm ("rdmsr" : "=A"(ret) : "c"(index));
77 return ret;
78}
79
80static inline void wrmsr(u32 index, u64 val)
81{
82 asm volatile ("wrmsr" : : "c"(index), "A"(val));
83}
84
Kevin O'Connorbc2aecd2008-11-28 16:40:06 -050085static inline u64 rdtscll(void)
86{
87 u64 val;
88 asm volatile("rdtsc" : "=A" (val));
89 return val;
90}
91
Kevin O'Connor0bf92702009-08-01 11:45:37 -040092static inline u32 __ffs(u32 word)
93{
94 asm("bsf %1,%0"
95 : "=r" (word)
96 : "rm" (word));
97 return word;
98}
Kevin O'Connor86916ce2009-11-14 13:34:27 -050099static inline u32 __fls(u32 word)
100{
101 asm("bsr %1,%0"
102 : "=r" (word)
103 : "rm" (word));
104 return word;
105}
Kevin O'Connor0bf92702009-08-01 11:45:37 -0400106
Kevin O'Connor68caaa72010-02-15 10:46:37 -0500107static inline u16 __htons_constant(u16 val) {
108 return (val<<8) | (val>>8);
109}
110static inline u32 __htonl_constant(u32 val) {
111 return (val<<24) | ((val&0xff00)<<8) | ((val&0xff0000)>>8) | (val>>24);
112}
113static inline u32 __htonl(u32 val) {
114 asm("bswapl %0" : "+r"(val));
115 return val;
116}
117#define htonl(x) (__builtin_constant_p((u32)(x)) ? __htonl_constant(x) : __htonl(x))
118#define ntohl(x) htonl(x)
119#define htons(x) __htons_constant(x)
120#define ntohs(x) htons(x)
121
Isaku Yamahata2f54bb42010-07-20 16:37:16 +0900122static inline u16 cpu_to_le16(u16 x)
123{
124 return x;
125}
126
127static inline u32 cpu_to_le32(u32 x)
128{
129 return x;
130}
131
Isaku Yamahatabaae9402011-10-24 17:11:07 +0900132static inline u32 le32_to_cpu(u32 x)
133{
134 return x;
135}
136
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500137static inline u32 getesp(void) {
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500138 u32 esp;
139 asm("movl %%esp, %0" : "=rm"(esp));
140 return esp;
141}
142
Kevin O'Connor91031ed2009-10-12 09:49:27 -0400143static inline void writel(void *addr, u32 val) {
144 *(volatile u32 *)addr = val;
145}
146static inline void writew(void *addr, u16 val) {
147 *(volatile u16 *)addr = val;
148}
149static inline void writeb(void *addr, u8 val) {
150 *(volatile u8 *)addr = val;
151}
152static inline u32 readl(const void *addr) {
153 return *(volatile const u32 *)addr;
154}
155static inline u16 readw(const void *addr) {
156 return *(volatile const u16 *)addr;
157}
158static inline u8 readb(const void *addr) {
159 return *(volatile const u8 *)addr;
160}
161
Kevin O'Connorae6924d2010-07-25 14:46:21 -0400162// GDT bits
Kevin O'Connorad901592009-12-13 11:25:25 -0500163#define GDT_CODE (0x9bULL << 40) // Code segment - P,R,A bits also set
164#define GDT_DATA (0x93ULL << 40) // Data segment - W,A bits also set
165#define GDT_B (0x1ULL << 54) // Big flag
166#define GDT_G (0x1ULL << 55) // Granularity flag
Kevin O'Connorae6924d2010-07-25 14:46:21 -0400167// GDT bits for segment base
168#define GDT_BASE(v) ((((u64)(v) & 0xff000000) << 32) \
169 | (((u64)(v) & 0x00ffffff) << 16))
170// GDT bits for segment limit (0-1Meg)
171#define GDT_LIMIT(v) ((((u64)(v) & 0x000f0000) << 32) \
172 | (((u64)(v) & 0x0000ffff) << 0))
173// GDT bits for segment limit (0-4Gig in 4K chunks)
174#define GDT_GRANLIMIT(v) (GDT_G | GDT_LIMIT((v) >> 12))
Kevin O'Connorad901592009-12-13 11:25:25 -0500175
176struct descloc_s {
177 u16 length;
178 u32 addr;
179} PACKED;
180
Kevin O'Connora83ff552009-01-01 21:00:59 -0500181// util.c
Kevin O'Connor9eb21002012-01-29 13:30:56 -0500182void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500183u8 checksum_far(u16 buf_seg, void *buf_far, u32 len);
184u8 checksum(void *buf, u32 len);
185size_t strlen(const char *s);
186int memcmp(const void *s1, const void *s2, size_t n);
187int strcmp(const char *s1, const char *s2);
188inline void memset_far(u16 d_seg, void *d_far, u8 c, size_t len);
189inline void memset16_far(u16 d_seg, void *d_far, u16 c, size_t len);
190void *memset(void *s, int c, size_t n);
Gerd Hoffmann0a806082010-11-29 09:42:11 +0100191void memset_fl(void *ptr, u8 val, size_t size);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500192inline void memcpy_far(u16 d_seg, void *d_far
193 , u16 s_seg, const void *s_far, size_t len);
Kevin O'Connor8f59aa32010-06-06 16:11:45 -0400194void memcpy_fl(void *d_fl, const void *s_fl, size_t len);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500195void *memcpy(void *d1, const void *s1, size_t len);
Kevin O'Connor52a300f2009-12-26 23:32:57 -0500196#if MODESEGMENT == 0
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500197#define memcpy __builtin_memcpy
198#endif
199void iomemcpy(void *d, const void *s, u32 len);
200void *memmove(void *d, const void *s, size_t len);
201char *strtcpy(char *dest, const char *src, size_t len);
Kevin O'Connor2e109a62010-12-24 10:39:32 -0500202char *strchr(const char *s, int c);
Kevin O'Connor9e881a32011-01-08 12:06:54 -0500203void nullTrailingSpace(char *buf);
Kevin O'Connor9f4e1d92009-02-08 15:44:08 -0500204int get_keystroke(int msec);
Kevin O'Connor38fcbfe2008-02-25 22:30:47 -0500205
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500206// stacks.c
Kevin O'Connorbf2e8c22012-05-28 12:59:58 -0400207extern u8 ExtraStack[], *StackPos;
Kevin O'Connorecdc6552012-05-28 14:25:15 -0400208u32 stack_hop(u32 eax, u32 edx, void *func);
209u32 stack_hop_back(u32 eax, u32 edx, void *func);
Kevin O'Connore77c7052012-05-28 22:06:42 -0400210u32 call32(void *func, u32 eax, u32 errret);
211struct bregs;
212inline void farcall16(struct bregs *callregs);
213inline void farcall16big(struct bregs *callregs);
214inline void __call16_int(struct bregs *callregs, u16 offset);
215#define call16_int(nr, callregs) do { \
216 extern void irq_trampoline_ ##nr (); \
217 __call16_int((callregs), (u32)&irq_trampoline_ ##nr ); \
218 } while (0)
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500219extern struct thread_info MainThread;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500220struct thread_info *getCurThread(void);
221void yield(void);
Kevin O'Connor94c749c2012-05-28 11:44:02 -0400222void yield_toirq(void);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500223void run_thread(void (*func)(void*), void *data);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500224void wait_threads(void);
Kevin O'Connore9086652010-02-27 13:49:47 -0500225struct mutex_s { u32 isLocked; };
226void mutex_lock(struct mutex_s *mutex);
227void mutex_unlock(struct mutex_s *mutex);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500228void start_preempt(void);
229void finish_preempt(void);
Kevin O'Connord7eb27e2010-03-20 18:17:19 -0400230int wait_preempt(void);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500231void check_preempt(void);
Kevin O'Connor7cefbfa2009-12-10 21:35:49 -0500232
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500233// output.c
Ian Campbell54f3b252012-06-28 11:08:32 +0100234extern u16 DebugOutputPort;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500235void debug_serial_setup(void);
Kevin O'Connore07e18e2009-02-08 17:07:29 -0500236void panic(const char *fmt, ...)
Kevin O'Connordad41d92010-01-01 03:04:19 -0500237 __attribute__ ((format (printf, 1, 2))) __noreturn;
Kevin O'Connor567e4e32008-04-05 11:37:51 -0400238void printf(const char *fmt, ...)
239 __attribute__ ((format (printf, 1, 2)));
Kevin O'Connor2be312c2009-11-24 09:37:53 -0500240int snprintf(char *str, size_t size, const char *fmt, ...)
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400241 __attribute__ ((format (printf, 3, 4)));
Kevin O'Connorca2bc1c2010-12-29 21:41:19 -0500242char * znprintf(size_t size, const char *fmt, ...)
243 __attribute__ ((format (printf, 2, 3)));
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500244void __dprintf(const char *fmt, ...)
245 __attribute__ ((format (printf, 1, 2)));
246void __debug_enter(struct bregs *regs, const char *fname);
Kevin O'Connor1297e5d2012-06-02 20:30:58 -0400247void __debug_isr(const char *fname);
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500248void __debug_stub(struct bregs *regs, int lineno, const char *fname);
249void __warn_invalid(struct bregs *regs, int lineno, const char *fname);
250void __warn_unimplemented(struct bregs *regs, int lineno, const char *fname);
Kevin O'Connor7fb8ba82010-02-26 08:45:00 -0500251void __warn_internalerror(int lineno, const char *fname);
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500252void __warn_noalloc(int lineno, const char *fname);
253void __warn_timeout(int lineno, const char *fname);
254void __set_invalid(struct bregs *regs, int lineno, const char *fname);
255void __set_unimplemented(struct bregs *regs, int lineno, const char *fname);
256void __set_code_invalid(struct bregs *regs, u32 linecode, const char *fname);
257void __set_code_unimplemented(struct bregs *regs, u32 linecode
258 , const char *fname);
259void hexdump(const void *d, int len);
260
Kevin O'Connorac8df8c2008-05-24 23:46:33 -0400261#define dprintf(lvl, fmt, args...) do { \
262 if (CONFIG_DEBUG_LEVEL && (lvl) <= CONFIG_DEBUG_LEVEL) \
263 __dprintf((fmt) , ##args ); \
264 } while (0)
Kevin O'Connor15c1f222008-06-12 22:59:43 -0400265#define debug_enter(regs, lvl) do { \
266 if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
Kevin O'Connor05600342009-01-02 13:10:58 -0500267 __debug_enter((regs), __func__); \
Kevin O'Connor15c1f222008-06-12 22:59:43 -0400268 } while (0)
Kevin O'Connor1297e5d2012-06-02 20:30:58 -0400269#define debug_isr(lvl) do { \
270 if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL) \
271 __debug_isr(__func__); \
272 } while (0)
Kevin O'Connor05600342009-01-02 13:10:58 -0500273#define debug_stub(regs) \
274 __debug_stub((regs), __LINE__, __func__)
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500275#define warn_invalid(regs) \
276 __warn_invalid((regs), __LINE__, __func__)
277#define warn_unimplemented(regs) \
278 __warn_unimplemented((regs), __LINE__, __func__)
Kevin O'Connor7fb8ba82010-02-26 08:45:00 -0500279#define warn_internalerror() \
280 __warn_internalerror(__LINE__, __func__)
Kevin O'Connorcfdc13f2010-02-14 13:07:54 -0500281#define warn_noalloc() \
282 __warn_noalloc(__LINE__, __func__)
283#define warn_timeout() \
284 __warn_timeout(__LINE__, __func__)
285#define set_invalid(regs) \
286 __set_invalid((regs), __LINE__, __func__)
287#define set_code_invalid(regs, code) \
288 __set_code_invalid((regs), (code) | (__LINE__ << 8), __func__)
289#define set_unimplemented(regs) \
290 __set_unimplemented((regs), __LINE__, __func__)
291#define set_code_unimplemented(regs, code) \
292 __set_code_unimplemented((regs), (code) | (__LINE__ << 8), __func__)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500293
294// kbd.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500295void kbd_setup(void);
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500296void handle_15c2(struct bregs *regs);
Kevin O'Connor114592f2009-09-28 21:32:08 -0400297void process_key(u8 key);
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500298
Kevin O'Connorf54c1502008-06-14 15:56:16 -0400299// mouse.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500300void mouse_setup(void);
Kevin O'Connor57877482009-12-09 21:00:41 -0500301void process_mouse(u8 data);
Kevin O'Connorf54c1502008-06-14 15:56:16 -0400302
303// system.c
Kevin O'Connore7916362008-12-28 22:03:17 -0500304extern u32 RamSize;
305extern u64 RamSizeOver4G;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500306void mathcp_setup(void);
Kevin O'Connorf54c1502008-06-14 15:56:16 -0400307
Kevin O'Connor913cc2e2008-04-13 17:31:45 -0400308// serial.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500309void serial_setup(void);
310void lpt_setup(void);
Kevin O'Connor913cc2e2008-04-13 17:31:45 -0400311
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500312// clock.c
Kevin O'Connor991eaff2010-02-13 21:51:47 -0500313#define PIT_TICK_RATE 1193180 // Underlying HZ of PIT
314#define PIT_TICK_INTERVAL 65536 // Default interval for 18.2Hz timer
Kevin O'Connor745de852012-01-29 14:15:14 -0500315int check_tsc(u64 end);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500316void timer_setup(void);
Kevin O'Connorbc2aecd2008-11-28 16:40:06 -0500317void ndelay(u32 count);
318void udelay(u32 count);
319void mdelay(u32 count);
Kevin O'Connor10ad7992009-10-24 11:06:08 -0400320void nsleep(u32 count);
321void usleep(u32 count);
322void msleep(u32 count);
Kevin O'Connor4e6c9702008-12-13 10:45:50 -0500323u64 calc_future_tsc(u32 msecs);
Kevin O'Connor1c46a542009-10-17 23:53:32 -0400324u64 calc_future_tsc_usec(u32 usecs);
Kevin O'Connorb5cc2ca2010-05-23 11:38:53 -0400325u32 calc_future_timer_ticks(u32 count);
326u32 calc_future_timer(u32 msecs);
327int check_timer(u32 end);
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500328void handle_1583(struct bregs *regs);
Kevin O'Connor5be04902008-05-18 17:12:06 -0400329void handle_1586(struct bregs *regs);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500330void useRTC(void);
331void releaseRTC(void);
Kevin O'Connorbdce35f2008-02-26 21:33:14 -0500332
Kevin O'Connor95b2f782008-03-05 19:52:06 -0500333// apm.c
Kevin O'Connor244caf82010-09-15 21:48:16 -0400334void apm_shutdown(void);
Kevin O'Connorc0031482010-01-01 13:03:17 -0500335void handle_1553(struct bregs *regs);
Kevin O'Connor95b2f782008-03-05 19:52:06 -0500336
Kevin O'Connora0dc2962008-03-16 14:29:32 -0400337// pcibios.c
338void handle_1ab1(struct bregs *regs);
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500339void bios32_setup(void);
Kevin O'Connora0dc2962008-03-16 14:29:32 -0400340
Kevin O'Connorda4a6482008-06-08 13:48:06 -0400341// shadow.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500342void make_bios_writable(void);
343void make_bios_readonly(void);
Kevin O'Connor244caf82010-09-15 21:48:16 -0400344void qemu_prep_reset(void);
Kevin O'Connorda4a6482008-06-08 13:48:06 -0400345
Kevin O'Connor0525d292008-07-04 06:18:30 -0400346// pciinit.c
Kevin O'Connor0d6b8d52010-07-10 13:12:37 -0400347extern const u8 pci_irqs[4];
Kevin O'Connor40f5b5a2009-09-13 10:46:57 -0400348void pci_setup(void);
Kevin O'Connora4d35762008-03-08 15:43:03 -0500349
Kevin O'Connorf7ba6d72008-07-04 05:05:54 -0400350// smm.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500351void smm_init(void);
Kevin O'Connorf7ba6d72008-07-04 05:05:54 -0400352
Kevin O'Connore97ca7b2009-06-21 09:10:28 -0400353// smp.c
Kevin O'Connor603bfc32009-06-22 20:04:56 -0400354extern u32 CountCPUs;
Kevin O'Connor84705852009-10-08 22:13:15 -0400355extern u32 MaxCountCPUs;
Kevin O'Connore97ca7b2009-06-21 09:10:28 -0400356void wrmsr_smp(u32 index, u64 val);
357void smp_probe(void);
Eduardo Habkost008c1fc2012-07-25 15:45:30 -0300358int apic_id_is_present(u8 apic_id);
Kevin O'Connor84ad59a2008-07-04 05:47:26 -0400359
Kevin O'Connorc7812932008-06-08 23:08:12 -0400360// coreboot.c
Kevin O'Connorc1de91b2011-07-02 13:50:21 -0400361extern const char *CBvendor, *CBpart;
Kevin O'Connor1edc89d2009-04-30 21:50:35 -0400362struct cbfs_file;
Kevin O'Connor1f836252009-08-16 20:17:35 -0400363void cbfs_run_payload(struct cbfs_file *file);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500364void coreboot_copy_biostable(void);
Kevin O'Connor89a1efd2011-01-08 12:24:39 -0500365void cbfs_payload_setup(void);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500366void coreboot_setup(void);
Kevin O'Connor59d6ca52012-05-31 00:20:55 -0400367void coreboot_cbfs_setup(void);
Kevin O'Connorc7812932008-06-08 23:08:12 -0400368
Ian Campbell1442c312011-06-01 11:00:28 +0100369// biostable.c
Kevin O'Connor4d053eb2012-06-09 13:08:02 -0400370void copy_table(void *pos);
Ian Campbell1442c312011-06-01 11:00:28 +0100371
Kevin O'Connorcbffa8e2008-08-17 11:11:07 -0400372// vgahooks.c
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500373void handle_155f(struct bregs *regs);
Kevin O'Connorc1de91b2011-07-02 13:50:21 -0400374struct pci_device;
375void vgahook_setup(struct pci_device *pci);
Kevin O'Connorcbffa8e2008-08-17 11:11:07 -0400376
Kevin O'Connor714325c2008-11-01 20:32:27 -0400377// optionroms.c
Kevin O'Connor0a924122009-02-08 19:43:47 -0500378void call_bcv(u16 seg, u16 ip);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500379void optionrom_setup(void);
380void vga_setup(void);
381void s3_resume_vga_init(void);
Kevin O'Connor422263d2011-07-05 20:56:07 -0400382extern int ScreenAndDebug;
Kevin O'Connor714325c2008-11-01 20:32:27 -0400383
Kevin O'Connorafbed1b2010-06-28 07:34:53 -0400384// bootsplash.c
385void enable_vga_console(void);
Kevin O'Connor9a01a9c2010-08-25 21:07:48 -0400386void enable_bootsplash(void);
Kevin O'Connorafbed1b2010-06-28 07:34:53 -0400387void disable_bootsplash(void);
388
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500389// resume.c
Kevin O'Connor87b533b2011-07-10 22:35:07 -0400390extern int HaveRunPost;
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500391void init_dma(void);
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500392
Kevin O'Connor0c3068d2008-12-21 17:51:36 -0500393// pnpbios.c
394#define PNP_SIGNATURE 0x506e5024 // $PnP
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500395u16 get_pnp_offset(void);
396void pnp_setup(void);
Kevin O'Connor0c3068d2008-12-21 17:51:36 -0500397
Kevin O'Connore54ee382009-07-26 19:33:13 -0400398// pmm.c
Kevin O'Connor415d4292009-08-30 19:19:31 -0400399extern struct zone_s ZoneLow, ZoneHigh, ZoneFSeg, ZoneTmpLow, ZoneTmpHigh;
Kevin O'Connor5e019082012-05-20 21:11:43 -0400400u32 rom_get_top(void);
401u32 rom_get_last(void);
402struct rom_header *rom_reserve(u32 size);
403int rom_confirm(u32 size);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500404void malloc_setup(void);
Kevin O'Connor533b6282011-07-16 13:13:12 -0400405void malloc_fixupreloc(void);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500406void malloc_finalize(void);
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400407void *pmm_malloc(struct zone_s *zone, u32 handle, u32 size, u32 align);
408int pmm_free(void *data);
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500409void pmm_setup(void);
410void pmm_finalize(void);
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400411#define PMM_DEFAULT_HANDLE 0xFFFFFFFF
Kevin O'Connor0bf92702009-08-01 11:45:37 -0400412// Minimum alignment of malloc'd memory
413#define MALLOC_MIN_ALIGN 16
Kevin O'Connor415d4292009-08-30 19:19:31 -0400414// Helper functions for memory allocation.
Kevin O'Connorf416fe92009-09-24 20:51:55 -0400415static inline void *malloc_low(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400416 return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connorf416fe92009-09-24 20:51:55 -0400417}
Kevin O'Connor415d4292009-08-30 19:19:31 -0400418static inline void *malloc_high(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400419 return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400420}
421static inline void *malloc_fseg(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400422 return pmm_malloc(&ZoneFSeg, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400423}
Kevin O'Connora576c9c2010-07-26 22:43:18 -0400424static inline void *malloc_tmplow(u32 size) {
425 return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
426}
Kevin O'Connor114592f2009-09-28 21:32:08 -0400427static inline void *malloc_tmphigh(u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400428 return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
Kevin O'Connor114592f2009-09-28 21:32:08 -0400429}
Kevin O'Connor575ffc82010-02-21 23:20:10 -0500430static inline void *malloc_tmp(u32 size) {
431 void *ret = malloc_tmphigh(size);
432 if (ret)
433 return ret;
Kevin O'Connora576c9c2010-07-26 22:43:18 -0400434 return malloc_tmplow(size);
Kevin O'Connor575ffc82010-02-21 23:20:10 -0500435}
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400436static inline void *memalign_low(u32 align, u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400437 return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, align);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400438}
439static inline void *memalign_high(u32 align, u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400440 return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, align);
Kevin O'Connor415d4292009-08-30 19:19:31 -0400441}
Kevin O'Connor12fa24a2010-09-15 00:25:32 -0400442static inline void *memalign_tmplow(u32 align, u32 size) {
443 return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, align);
444}
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400445static inline void *memalign_tmphigh(u32 align, u32 size) {
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400446 return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, align);
447}
Kevin O'Connor12fa24a2010-09-15 00:25:32 -0400448static inline void *memalign_tmp(u32 align, u32 size) {
449 void *ret = memalign_tmphigh(align, size);
450 if (ret)
451 return ret;
452 return memalign_tmplow(align, size);
453}
Kevin O'Connord948e2b2009-10-12 12:54:56 -0400454static inline void free(void *data) {
455 pmm_free(data);
Kevin O'Connor9ed6b622009-10-07 21:41:08 -0400456}
Kevin O'Connore54ee382009-07-26 19:33:13 -0400457
Kevin O'Connor7061eb62009-01-04 21:48:22 -0500458// mtrr.c
459void mtrr_setup(void);
460
Kevin O'Connor59d6ca52012-05-31 00:20:55 -0400461// romfile.c
462struct romfile_s {
463 struct romfile_s *next;
464 char name[128];
465 u32 size;
466 int (*copy)(struct romfile_s *file, void *dest, u32 maxlen);
467
468 u32 id;
469 u32 rawsize;
470 u32 flags;
471 void *data;
472};
473void romfile_add(struct romfile_s *file);
474struct romfile_s *romfile_findprefix(const char *prefix, struct romfile_s *prev);
475struct romfile_s *romfile_find(const char *name);
476void *romfile_loadfile(const char *name, int *psize);
477u64 romfile_loadint(const char *name, u64 defval);
478
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500479// romlayout.S
Kevin O'Connor1ca05b02010-01-03 17:43:37 -0500480void reset_vector(void) __noreturn;
Kevin O'Connor18e38b22008-12-10 20:40:13 -0500481
Kevin O'Connor30853762009-01-17 18:49:20 -0500482// misc.c
483extern u8 BiosChecksum;
484
Kevin O'Connorc95d2ce2009-07-29 20:41:39 -0400485// version (auto generated file out/version.c)
486extern const char VERSION[];
487
Kevin O'Connor786502d2008-02-27 10:41:41 -0500488#endif // util.h