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authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-07 00:54:05 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-07 18:30:55 +0200
commit4a45ec43fe73080517fa6f7cad6fa682ad49ecc4 (patch)
tree16f852f7658d8d079e34e556b86a13c5f687ad63 /src/cpu/amd
parentcfa9b99b23702ed35d61c9fcf3ad30ec55280174 (diff)
downloadcoreboot-4a45ec43fe73080517fa6f7cad6fa682ad49ecc4.tar.xz
x86: Drop -Wa,--divide
Fix up all the code that is using / to use >> for divisions instead. Change-Id: I8a6deb0aa090e0df71d90a5509c911b295833cea Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10819 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/cpu/amd')
-rw-r--r--src/cpu/amd/car/cache_as_ram.inc8
-rw-r--r--src/cpu/amd/geode_gx2/cache_as_ram.inc2
-rw-r--r--src/cpu/amd/geode_lx/cache_as_ram.inc2
3 files changed, 6 insertions, 6 deletions
diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc
index ac6ea33b98..133daace3d 100644
--- a/src/cpu/amd/car/cache_as_ram.inc
+++ b/src/cpu/amd/car/cache_as_ram.inc
@@ -240,15 +240,15 @@ clear_fixed_var_mtrr_out:
* windowoffset is the 32k-aligned window into CAR size.
*/
.macro simplemask carsize, windowoffset
- .set gas_bug_workaround,(((\carsize - \windowoffset) / 0x1000) - 4)
+ .set gas_bug_workaround,(((\carsize - \windowoffset) >> 12) - 4)
extractmask gas_bug_workaround, %eax
- .set gas_bug_workaround,(((\carsize - \windowoffset) / 0x1000))
+ .set gas_bug_workaround,(((\carsize - \windowoffset) >> 12))
extractmask gas_bug_workaround, %edx
/*
* Without the gas bug workaround, the entire macro would consist
* only of the two lines below:
- * extractmask (((\carsize - \windowoffset) / 0x1000) - 4), %eax
- * extractmask (((\carsize - \windowoffset) / 0x1000)), %edx
+ * extractmask (((\carsize - \windowoffset) >> 12) - 4), %eax
+ * extractmask (((\carsize - \windowoffset) >> 12)), %edx
*/
.endm
diff --git a/src/cpu/amd/geode_gx2/cache_as_ram.inc b/src/cpu/amd/geode_gx2/cache_as_ram.inc
index 7ddd3af803..837352f8a7 100644
--- a/src/cpu/amd/geode_gx2/cache_as_ram.inc
+++ b/src/cpu/amd/geode_gx2/cache_as_ram.inc
@@ -166,7 +166,7 @@ done_cache_as_ram_main:
/* We now run over the stack-in-cache, copying it back to itself to invalidate the cache */
push %edi
- mov $(CONFIG_DCACHE_RAM_SIZE/4),%ecx
+ mov $(CONFIG_DCACHE_RAM_SIZE >> 2),%ecx
push %esi
mov $(CONFIG_DCACHE_RAM_BASE),%edi
mov %edi,%esi
diff --git a/src/cpu/amd/geode_lx/cache_as_ram.inc b/src/cpu/amd/geode_lx/cache_as_ram.inc
index df6f942f58..bcb0d4b52a 100644
--- a/src/cpu/amd/geode_lx/cache_as_ram.inc
+++ b/src/cpu/amd/geode_lx/cache_as_ram.inc
@@ -192,7 +192,7 @@ done_cache_as_ram_main:
* copying it back to itself to invalidate the cache */
push %edi
- mov $(CONFIG_DCACHE_RAM_SIZE/4),%ecx
+ mov $(CONFIG_DCACHE_RAM_SIZE >> 2),%ecx
push %esi
mov $(CONFIG_DCACHE_RAM_BASE),%edi
mov %edi,%esi