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authorDavid Woodhouse <dwmw2@infradead.org>2014-06-03 17:28:49 +0100
committerKevin O'Connor <kevin@koconnor.net>2014-06-05 10:58:29 -0400
commit5b22d9397258716bc2dc3b1b5a3f5cef297c6039 (patch)
tree6bded7b6396460e3db1a874949ff39c9fa931aba /src
parent04b531ab15e60a3023ab7c4f48088ee15206ae7b (diff)
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romlayout: Use .code16 not .code16gcc
There's no need to use .code16gcc where we are writing assembler code explicitly. It only affects word-size-ambiguous instructions, and we should just be explicit. And we are. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'src')
-rw-r--r--src/romlayout.S18
1 files changed, 9 insertions, 9 deletions
diff --git a/src/romlayout.S b/src/romlayout.S
index 68c4323..8071963 100644
--- a/src/romlayout.S
+++ b/src/romlayout.S
@@ -21,7 +21,7 @@
// %edx = return location (in 32bit mode)
// Clobbers: ecx, flags, segment registers, cr0, idt/gdt
DECLFUNC transition32
- .code16gcc
+ .code16
transition32_for_smi:
movl %eax, %ecx
jmp 1f
@@ -104,7 +104,7 @@ transition16big:
ljmpw $SEG32_MODE16BIG_CS, $1f
- .code16gcc
+ .code16
1:
// Disable protected mode
movl %cr0, %eax
@@ -147,7 +147,7 @@ __call16big:
jmp transition16big
// Make call.
- .code16gcc
+ .code16
1: movl $_zonelow_seg, %edx // Adjust %ds, %ss, and %esp
movl %edx, %ds
movzwl StackSeg, %edx
@@ -179,7 +179,7 @@ __call16big:
// Far call a 16bit function from 16bit mode with a specified cpu register state
// %eax = address of struct bregs, %edx = segment of struct bregs
// Clobbers: %e[bc]x, %e[ds]i, flags
- .code16gcc
+ .code16
DECLFUNC __farcall16
__farcall16:
// Save %edx/%eax, %ebp
@@ -272,7 +272,7 @@ entry_smi:
1: movl $BUILD_SMM_ADDR + 0x8000, %esp
calll _cfunc32flat_handle_smi - BUILD_BIOS_ADDR
rsm
- .code16gcc
+ .code16
// Entry point for QEMU smp sipi interrupts.
DECLFUNC entry_smp
@@ -292,7 +292,7 @@ entry_smp:
movl $0, SMPLock
3: hlt
jmp 3b
- .code16gcc
+ .code16
// Resume (and reboot) entry point - called from entry_post
DECLFUNC entry_resume
@@ -406,7 +406,7 @@ entry_pcibios32:
popfl
lretl
- .code16gcc
+ .code16
DECLFUNC entry_pcibios16
entry_pcibios16:
ENTRY_ARG handle_pcibios
@@ -455,7 +455,7 @@ entry_elf:
movl $BUILD_STACK_ADDR, %esp
ljmpl $SEG32_MODE32_CS, $_cfunc32flat_handle_post
- .code16gcc
+ .code16
// UEFI Compatibility Support Module (CSM) entry point
EXPORTFUNC entry_csm
@@ -487,7 +487,7 @@ entry_csm:
__csm_return:
movl $1f, %edx
jmp transition16big
- .code16gcc
+ .code16
// Switch back to original stack
1: movzwl BREGS_code+2(%eax), %edx