x86: Fix setting segment bases in real mode.

The data size used for actually writing the base value for the segment was the
default size, but really it should set the entire value without any possible
truncation.

diff --git a/src/arch/x86/isa/insts/general_purpose/control_transfer/jump.py b/src/arch/x86/isa/insts/general_purpose/control_transfer/jump.py
index 6999b913d8e5f199f30390bfecce672a172b85a4..3bb2d3e879e0073e52caad14710bd84d8a11dd2e 100644 (file)
--- a/src/arch/x86/isa/insts/general_purpose/control_transfer/jump.py
+++ b/src/arch/x86/isa/insts/general_purpose/control_transfer/jump.py
@@ -145,7 +145,7 @@ def macroop JMP_FAR_REAL_M
     zexti t3, t1, 15, dataSize=8
     slli t3, t3, 4, dataSize=8
     wrsel cs, t1, dataSize=2
-    wrbase cs, t3
+    wrbase cs, t3, dataSize=8
     wrip t0, t2, dataSize=asz
 };
 
@@ -168,7 +168,7 @@ def macroop JMP_FAR_REAL_I
     mov t2, t0, t2
     slli t3, t1, 4, dataSize=8
     wrsel cs, t1, dataSize=2
-    wrbase cs, t3
+    wrbase cs, t3, dataSize=8
     wrip t0, t2, dataSize=asz
 };
 '''

diff --git a/src/arch/x86/isa/insts/general_purpose/data_transfer/move.py b/src/arch/x86/isa/insts/general_purpose/data_transfer/move.py
index 3f5c2d303267ba1047abd7ead076df0351269559..75a20ffbd3fe11a81d3406e8c0fcecf2fcaec910 100644 (file)
--- a/src/arch/x86/isa/insts/general_purpose/data_transfer/move.py
+++ b/src/arch/x86/isa/insts/general_purpose/data_transfer/move.py
@@ -215,7 +215,7 @@ def macroop MOV_REAL_S_R {
     zexti t2, regm, 15, dataSize=8
     slli t3, t2, 4, dataSize=8
     wrsel reg, regm
-    wrbase reg, t3
+    wrbase reg, t3, dataSize=8
 };
 
 def macroop MOV_REAL_S_M {
@@ -223,7 +223,7 @@ def macroop MOV_REAL_S_M {
     zexti t2, t1, 15, dataSize=8
     slli t3, t2, 4, dataSize=8
     wrsel reg, t1
-    wrbase reg, t3
+    wrbase reg, t3, dataSize=8
 };
 
 def macroop MOV_REAL_S_P {