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ARM: Hook up the push/pop versions of stm/ldm in thumb.

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This commit is contained in:
Gabe Black
2010-06-02 12:58:05 -05:00
parent a76ab8e040
commit f61bb9adb9
1 changed files with 12 additions and 2 deletions
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14
src/arch/arm/isa/formats/data.isa
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@@ -531,7 +531,12 @@ def format Thumb16Misc() {{
(IntRegIndex)(uint32_t)bits(machInst, 2, 0));
case 0x4:
case 0x5:
return new WarnUnimplemented("push", machInst);
{
const uint32_t m = bits(machInst, 8);
const uint32_t regList = bits(machInst, 7, 0) | (m << 14);
return new LdmStm(machInst, INTREG_SP, false, false, false,
true, false, regList);
}
case 0x6:
{
const uint32_t opBits = bits(machInst, 7, 5);
@@ -565,7 +570,12 @@ def format Thumb16Misc() {{
(IntRegIndex)(uint32_t)bits(machInst, 2, 0));
case 0xc:
case 0xd:
return new WarnUnimplemented("pop", machInst);
{
const uint32_t p = bits(machInst, 8);
const uint32_t regList = bits(machInst, 7, 0) | (p << 15);
return new LdmStm(machInst, INTREG_SP, true, true, false,
true, true, regList);
}
case 0xe:
return new WarnUnimplemented("bkpt", machInst);
case 0xf: