ARM: Hook up 16 bit thumb load/store multiple.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/arch/arm/isa/formats/macromem.isa b/src/arch/arm/isa/formats/macromem.isa
index 95b7ccd6a..98505be84 100644
--- a/src/arch/arm/isa/formats/macromem.isa
+++ b/src/arch/arm/isa/formats/macromem.isa
@@ -43,3 +43,16 @@ def format ArmMacroMem() {{
                       PSRUSER, WRITEBACK, LOADOP, machInst.regList);
     '''
 }};
+
+def format Thumb16MacroMem() {{
+    decode_block = '''
+    {
+        const IntRegIndex rn = (IntRegIndex)(uint32_t)bits(machInst, 10, 8);
+        const bool load = (bits(machInst, 11) == 1);
+        const uint32_t regList = bits(machInst, 7, 0);
+        const bool writeback = (!load || bits(regList, rn) == 0);
+        return new LdmStm(machInst, rn, true, true, false,
+                          writeback, load, regList);
+    }
+    '''
+}};