asm volatile("rep ; nop": : :"memory");
}
+// Atomically enable irqs and sleep until an irq; then re-disable irqs.
+static inline void wait_irq(void)
+{
+ asm volatile("sti ; hlt ; cli ; cld": : :"memory");
+}
+
static inline void nop(void)
{
asm volatile("nop");
return val;
}
+static inline u32 __ffs(u32 word)
+{
+ asm("bsf %1,%0"
+ : "=r" (word)
+ : "rm" (word));
+ return word;
+}
+
+// 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))
+#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
+
#define call16_simpint(nr, peax, pflags) do { \
ASSERT16(); \
asm volatile( \
} while (0)
#define debug_stub(regs) \
__debug_stub((regs), __LINE__, __func__)
-void hexdump(void *d, int len);
+void hexdump(const void *d, int len);
// kbd.c
void kbd_setup();
void handle_15c2(struct bregs *regs);
+void process_key(u8 key);
// mouse.c
void mouse_setup();
void make_bios_readonly();
// pciinit.c
-void pci_bios_setup(void);
+void pci_setup(void);
// smm.c
void smm_init();
void smbios_init(void);
// coreboot.c
-const char *cbfs_findNprefix(const char *prefix, int n);
-int cbfs_copy_optionrom(void *dst, u32 maxlen, u32 vendev);
-void cbfs_run_payload(const char *filename);
struct cbfs_file;
-struct cbfs_file *cbfs_copyfile_prefix(void *dst, u32 maxlen, const char *prefix
- , struct cbfs_file *last);
+struct cbfs_file *cbfs_findprefix(const char *prefix, struct cbfs_file *last);
+u32 cbfs_datasize(struct cbfs_file *file);
+const char *cbfs_filename(struct cbfs_file *file);
+int cbfs_copyfile(struct cbfs_file *file, void *dst, u32 maxlen);
+int cbfs_copy_optionrom(void *dst, u32 maxlen, u32 vendev);
+void cbfs_run_payload(struct cbfs_file *file);
+
void coreboot_copy_biostable();
void coreboot_setup();
void pnp_setup();
// pmm.c
+extern struct zone_s ZoneLow, ZoneHigh, ZoneFSeg, ZoneTmpLow, ZoneTmpHigh;
+void *zone_malloc(struct zone_s *zone, u32 size, u32 align);
+void *zone_malloc_low(u32 size, u32 align);
+void malloc_setup();
+void malloc_finalize();
void pmm_setup();
void pmm_finalize();
+// Minimum alignment of malloc'd memory
+#define MALLOC_MIN_ALIGN 16
+// Helper functions for memory allocation.
+static inline void *malloc_low(u32 size) {
+ return zone_malloc_low(size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_high(u32 size) {
+ return zone_malloc(&ZoneHigh, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_fseg(u32 size) {
+ return zone_malloc(&ZoneFSeg, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_tmphigh(u32 size) {
+ return zone_malloc(&ZoneTmpHigh, size, MALLOC_MIN_ALIGN);
+}
+static inline void *memalign_tmphigh(u32 align, u32 size) {
+ return zone_malloc(&ZoneTmpHigh, size, align);
+}
+static inline void *memalign_high(u32 align, u32 size) {
+ return zone_malloc(&ZoneHigh, size, align);
+}
// mtrr.c
void mtrr_setup(void);