@@ -156,8 +156,8 @@ u64 rombios32_gdt[] VAR16VISIBLE __aligned(8) = {
GDT_LIMIT(BUILD_BIOS_SIZE-1) | GDT_CODE | GDT_BASE(BUILD_BIOS_ADDR),
// 16 bit data segment base=0x0 limit=0xffff (SEG32_MODE16_DS)
GDT_LIMIT(0x0ffff) | GDT_DATA,
- // 16 bit code segment base=0 limit=0xffffffff (SEG32_MODE16BIG_CS)
- GDT_LIMIT(0xfffff) | GDT_CODE | GDT_G,
+ // 16 bit code segment base=0xf0000 limit=0xffffffff (SEG32_MODE16BIG_CS)
+ GDT_LIMIT(0xfffff) | GDT_CODE | GDT_G | GDT_BASE(BUILD_BIOS_ADDR),
// 16 bit data segment base=0 limit=0xffffffff (SEG32_MODE16BIG_DS)
GDT_LIMIT(0xfffff) | GDT_DATA | GDT_G,
};
@@ -105,7 +105,7 @@ transition16big:
movw %ax, %fs
movw %ax, %gs
- ljmpl $SEG32_MODE16BIG_CS, $(BUILD_BIOS_ADDR + 1f)
+ ljmpw $SEG32_MODE16BIG_CS, $1f
.code16gcc
1: