uint64_t lba;
};
+/**
+ * CHS (cylinder, head, sector) value extraction macros.
+ * Taken from WinVBlock. None expand to an lvalue.
+*/
+#define chs_head(chs) chs[0]
+#define chs_sector(chs) (chs[1] & 0x3F)
+#define chs_cyl_high(chs) (((uint16_t)(chs[1] & 0xC0)) << 2)
+#define chs_cyl_low(chs) ((uint16_t)chs[2])
+#define chs_cylinder(chs) (chs_cyl_high(chs) | chs_cyl_low(chs))
+typedef uint8_t disk_chs[3];
+
extern int disk_int13_retry(const com32sys_t * inreg, com32sys_t * outreg);
extern int disk_get_params(int disk, struct disk_info *const diskinfo);
extern void *disk_read_sectors(const struct disk_info *const diskinfo,
static struct disk_info diskinfo;
-/*
- * CHS (cylinder, head, sector) value extraction macros.
- * Taken from WinVBlock. Does not expand to an lvalue
-*/
-#define chs_head(chs) chs[0]
-#define chs_sector(chs) (chs[1] & 0x3F)
-#define chs_cyl_high(chs) (((uint16_t)(chs[1] & 0xC0)) << 2)
-#define chs_cyl_low(chs) ((uint16_t)chs[2])
-#define chs_cylinder(chs) (chs_cyl_high(chs) | chs_cyl_low(chs))
-typedef uint8_t chs[3];
-
/* A DOS partition table entry */
struct part_entry {
uint8_t active_flag; /* 0x80 if "active" */
- chs start;
+ disk_chs start;
uint8_t ostype;
- chs end;
+ disk_chs end;
uint32_t start_lba;
uint32_t length;
} __attribute__ ((packed));