X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Futil.h;h=2c5f7ebc37931efe2b4fba97c602019aed1d4cf7;hb=9eb210023718c65a1300cb0b768ba478b0a2b211;hp=92b3e5c9ca5c00ca281a3da89208e694ff5fa896;hpb=0d6b8d5ff2df9dea30003b03c6af6e6bfb461ce9;p=seabios.git diff --git a/src/util.h b/src/util.h index 92b3e5c..2c5f7eb 100644 --- a/src/util.h +++ b/src/util.h @@ -1,6 +1,6 @@ // Basic x86 asm functions and function defs. // -// Copyright (C) 2008,2009 Kevin O'Connor +// Copyright (C) 2008-2010 Kevin O'Connor // // This file may be distributed under the terms of the GNU LGPLv3 license. #ifndef __UTIL_H @@ -18,15 +18,14 @@ static inline void irq_enable(void) asm volatile("sti": : :"memory"); } -static inline unsigned long irq_save(void) +static inline u32 save_flags(void) { - unsigned long flags; - asm volatile("pushfl ; popl %0" : "=g" (flags): :"memory"); - irq_disable(); + u32 flags; + asm volatile("pushfl ; popl %0" : "=rm" (flags)); return flags; } -static inline void irq_restore(unsigned long flags) +static inline void restore_flags(u32 flags) { asm volatile("pushl %0 ; popfl" : : "g" (flags) : "memory", "cc"); } @@ -54,13 +53,22 @@ static inline void wbinvd(void) #define CPUID_MSR (1 << 5) #define CPUID_APIC (1 << 9) #define CPUID_MTRR (1 << 12) -static inline void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx) +static inline void __cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx) { asm("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (index)); } +static inline u32 getcr0(void) { + u32 cr0; + asm("movl %%cr0, %0" : "=r"(cr0)); + return cr0; +} +static inline void setcr0(u32 cr0) { + asm("movl %0, %%cr0" : : "r"(cr0)); +} + static inline u64 rdmsr(u32 index) { u64 ret; @@ -110,6 +118,21 @@ static inline u32 __htonl(u32 val) { #define htons(x) __htons_constant(x) #define ntohs(x) htons(x) +static inline u16 cpu_to_le16(u16 x) +{ + return x; +} + +static inline u32 cpu_to_le32(u32 x) +{ + return x; +} + +static inline u32 le32_to_cpu(u32 x) +{ + return x; +} + static inline u32 getesp(void) { u32 esp; asm("movl %%esp, %0" : "=rm"(esp)); @@ -152,15 +175,19 @@ static inline u8 readb(const void *addr) { : "ebx", "edx", "esi", "edi", "cc", "memory"); \ } while (0) -// GDT bit manipulation -#define GDT_BASE(v) ((((u64)(v) & 0xff000000) << 32) \ - | (((u64)(v) & 0x00ffffff) << 16)) -#define GDT_LIMIT(v) ((((u64)(v) & 0x000f0000) << 32) \ - | (((u64)(v) & 0x0000ffff) << 0)) +// GDT bits #define GDT_CODE (0x9bULL << 40) // Code segment - P,R,A bits also set #define GDT_DATA (0x93ULL << 40) // Data segment - W,A bits also set #define GDT_B (0x1ULL << 54) // Big flag #define GDT_G (0x1ULL << 55) // Granularity flag +// GDT bits for segment base +#define GDT_BASE(v) ((((u64)(v) & 0xff000000) << 32) \ + | (((u64)(v) & 0x00ffffff) << 16)) +// GDT bits for segment limit (0-1Meg) +#define GDT_LIMIT(v) ((((u64)(v) & 0x000f0000) << 32) \ + | (((u64)(v) & 0x0000ffff) << 0)) +// GDT bits for segment limit (0-4Gig in 4K chunks) +#define GDT_GRANLIMIT(v) (GDT_G | GDT_LIMIT((v) >> 12)) struct descloc_s { u16 length; @@ -168,6 +195,7 @@ struct descloc_s { } PACKED; // util.c +void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx); struct bregs; inline void call16(struct bregs *callregs); inline void call16big(struct bregs *callregs); @@ -184,6 +212,7 @@ int strcmp(const char *s1, const char *s2); inline void memset_far(u16 d_seg, void *d_far, u8 c, size_t len); inline void memset16_far(u16 d_seg, void *d_far, u16 c, size_t len); void *memset(void *s, int c, size_t n); +void memset_fl(void *ptr, u8 val, size_t size); inline void memcpy_far(u16 d_seg, void *d_far , u16 s_seg, const void *s_far, size_t len); void memcpy_fl(void *d_fl, const void *s_fl, size_t len); @@ -194,12 +223,15 @@ void *memcpy(void *d1, const void *s1, size_t len); void iomemcpy(void *d, const void *s, u32 len); void *memmove(void *d, const void *s, size_t len); char *strtcpy(char *dest, const char *src, size_t len); +char *strchr(const char *s, int c); +void nullTrailingSpace(char *buf); int get_keystroke(int msec); // stacks.c +u32 call32(void *func, u32 eax, u32 errret); inline u32 stack_hop(u32 eax, u32 edx, void *func); extern struct thread_info MainThread; -void thread_setup(void); +extern int CanPreempt; struct thread_info *getCurThread(void); void yield(void); void wait_irq(void); @@ -221,6 +253,8 @@ void printf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); int snprintf(char *str, size_t size, const char *fmt, ...) __attribute__ ((format (printf, 3, 4))); +char * znprintf(size_t size, const char *fmt, ...) + __attribute__ ((format (printf, 2, 3))); void __dprintf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); void __debug_enter(struct bregs *regs, const char *fname); @@ -313,6 +347,7 @@ void useRTC(void); void releaseRTC(void); // apm.c +void apm_shutdown(void); void handle_1553(struct bregs *regs); // pcibios.c @@ -322,10 +357,10 @@ void bios32_setup(void); // shadow.c void make_bios_writable(void); void make_bios_readonly(void); +void qemu_prep_reset(void); // pciinit.c extern const u8 pci_irqs[4]; -void pci_bios_allocate_regions(u16 bdf, void *arg); void pci_setup(void); // smm.c @@ -336,9 +371,9 @@ extern u32 CountCPUs; extern u32 MaxCountCPUs; void wrmsr_smp(u32 index, u64 val); void smp_probe(void); -void smp_probe_setup(void); // coreboot.c +extern const char *CBvendor, *CBpart; struct cbfs_file; struct cbfs_file *cbfs_finddatafile(const char *fname); struct cbfs_file *cbfs_findprefix(const char *prefix, struct cbfs_file *last); @@ -347,12 +382,19 @@ const char *cbfs_filename(struct cbfs_file *file); int cbfs_copyfile(struct cbfs_file *file, void *dst, u32 maxlen); void cbfs_run_payload(struct cbfs_file *file); void coreboot_copy_biostable(void); +void cbfs_payload_setup(void); void coreboot_setup(void); +// biostable.c +void copy_pir(void *pos); +void copy_mptable(void *pos); +void copy_acpi_rsdp(void *pos); +void copy_smbios(void *pos); + // vgahooks.c -extern int VGAbdf; void handle_155f(struct bregs *regs); -void vgahook_setup(const char *vendor, const char *part); +struct pci_device; +void vgahook_setup(struct pci_device *pci); // optionroms.c void call_bcv(u16 seg, u16 ip); @@ -360,12 +402,15 @@ void optionrom_setup(void); void vga_setup(void); void s3_resume_vga_init(void); extern u32 RomEnd; +extern int ScreenAndDebug; // bootsplash.c void enable_vga_console(void); +void enable_bootsplash(void); void disable_bootsplash(void); // resume.c +extern int HaveRunPost; void init_dma(void); // pnpbios.c @@ -376,6 +421,7 @@ void pnp_setup(void); // pmm.c extern struct zone_s ZoneLow, ZoneHigh, ZoneFSeg, ZoneTmpLow, ZoneTmpHigh; void malloc_setup(void); +void malloc_fixupreloc(void); void malloc_finalize(void); void *pmm_malloc(struct zone_s *zone, u32 handle, u32 size, u32 align); int pmm_free(void *data); @@ -394,6 +440,9 @@ static inline void *malloc_high(u32 size) { static inline void *malloc_fseg(u32 size) { return pmm_malloc(&ZoneFSeg, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN); } +static inline void *malloc_tmplow(u32 size) { + return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN); +} static inline void *malloc_tmphigh(u32 size) { return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN); } @@ -401,7 +450,7 @@ static inline void *malloc_tmp(u32 size) { void *ret = malloc_tmphigh(size); if (ret) return ret; - return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN); + return malloc_tmplow(size); } static inline void *memalign_low(u32 align, u32 size) { return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, align); @@ -409,9 +458,18 @@ static inline void *memalign_low(u32 align, u32 size) { static inline void *memalign_high(u32 align, u32 size) { return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, align); } +static inline void *memalign_tmplow(u32 align, u32 size) { + return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, align); +} static inline void *memalign_tmphigh(u32 align, u32 size) { return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, align); } +static inline void *memalign_tmp(u32 align, u32 size) { + void *ret = memalign_tmphigh(align, size); + if (ret) + return ret; + return memalign_tmplow(align, size); +} static inline void free(void *data) { pmm_free(data); }