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-rw-r--r--src/cpu/amd/car/cache_as_ram.inc7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc
index ac58269019..58c46b5a01 100644
--- a/src/cpu/amd/car/cache_as_ram.inc
+++ b/src/cpu/amd/car/cache_as_ram.inc
@@ -160,8 +160,15 @@ 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)
+ extractmask gas_bug_workaround, %eax
+ .set gas_bug_workaround,(((\carsize - \windowoffset) / 0x1000))
+ 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
+ */
.endm
#if CacheSize > 0x10000