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-rw-r--r--src/devices/oprom/x86_asm.S23
1 files changed, 8 insertions, 15 deletions
diff --git a/src/devices/oprom/x86_asm.S b/src/devices/oprom/x86_asm.S
index e355da8fb9..d5b5e1859f 100644
--- a/src/devices/oprom/x86_asm.S
+++ b/src/devices/oprom/x86_asm.S
@@ -82,10 +82,10 @@ __realmode_call = RELOCATED(.)
/* entry point */
movl 36(%ebp), %eax
- movw %ax, __lcall_instr + 1
+ mov %ax, __lcall_instr + 1
andl $0xffff0000, %eax
shrl $4, %eax
- movw %ax, __lcall_instr + 3
+ mov %ax, __lcall_instr + 3
/* initial register values */
movl 40(%ebp), %eax
@@ -147,7 +147,7 @@ __realmode_call = RELOCATED(.)
movl __registers + 8, %ecx
movl __registers + 12, %edx
movl __registers + 16, %esi
- movl __registers + 20, %edi
+ movl __registers + 20, %edi
/* Set all segments to 0x0000, ds to 0x0040 */
push %ax
@@ -165,8 +165,8 @@ __lcall_instr = RELOCATED(.)
.word 0x0000, 0x0000
/* ************************************ */
- /* If we got here, just about done.
- * Need to get back to protected mode
+ /* If we got here, we are just about done.
+ * Need to get back to protected mode.
*/
movl %cr0, %eax
orl $PE, %eax
@@ -178,7 +178,7 @@ __lcall_instr = RELOCATED(.)
data32 ljmp $0x10, $RELOCATED(1f)
1:
.code32
- movw $0x18, %ax
+ mov $0x18, %ax
mov %ax, %ds
mov %ax, %es
mov %ax, %fs
@@ -294,7 +294,7 @@ __intXX_instr = RELOCATED(.)
data32 ljmp $0x10, $RELOCATED(1f)
1:
.code32
- movw $0x18, %ax
+ mov $0x18, %ax
mov %ax, %ds
mov %ax, %es
mov %ax, %fs
@@ -337,7 +337,7 @@ __interrupt_handler_16bit = RELOCATED(.)
data32 ljmp $0x10, $RELOCATED(1f)
1:
.code32
- movw $0x18, %ax
+ mov $0x18, %ax
mov %ax, %ds
mov %ax, %es
mov %ax, %fs
@@ -382,13 +382,6 @@ __interrupt_handler_16bit = RELOCATED(.)
mov %ax, %ds
lidt __realmode_idt
- /* Set up segment registers to segment 0x0000 and ds to 0x040 */
- mov %ax, %es
- mov %ax, %fs
- mov %ax, %gs
- mov $0x40, %ax
- mov %ax, %ds
-
/* Restore all registers, including those
* manipulated by the C handler
*/