diff options
Diffstat (limited to 'util/cbfstool/linux_trampoline.S')
| -rw-r--r-- | util/cbfstool/linux_trampoline.S | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/util/cbfstool/linux_trampoline.S b/util/cbfstool/linux_trampoline.S index 65819e948b..3b4e730b33 100644 --- a/util/cbfstool/linux_trampoline.S +++ b/util/cbfstool/linux_trampoline.S @@ -31,7 +31,6 @@ #define E820_OFFSET 0x2d0 .trampoline_start: - cld xor %edx, %edx mov $0, %ecx @@ -114,12 +113,13 @@ jnz .tableScan ** Use TRAMPOLINE_ENTRY_LOC as a scratchpad. */ mov $TRAMPOLINE_ENTRY_LOC, %eax -sgdt (%eax) -mov 2(%eax), %ebx -movl $0x0000ffff, 16(%ebx) -movl $0x00cf9b00, 20(%ebx) -movl $0x0000ffff, 24(%ebx) -movl $0x00cf9300, 28(%ebx) +movl $0x0000ffff, 16(%eax) // Set up the 2 new descriptors +movl $0x00cf9b00, 20(%eax) +movl $0x0000ffff, 24(%eax) +movl $0x00cf9300, 28(%eax) +movb $0x2b, 0(%eax) // Set the size +movl %eax, 2(%eax) // Set pointer to new GDT +lgdt (%eax) // Load it /* finally: jump to kernel */ mov $LINUX_PARAM_LOC, %esi @@ -129,5 +129,4 @@ jmp *(LINUX_PARAM_LOC + LINUX_ENTRY_OFFSET) 2: hlt jmp 2b - .trampoline_end: |