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authorGabe Black <gblack@eecs.umich.edu>2010-06-02 12:58:01 -0500
committerGabe Black <gblack@eecs.umich.edu>2010-06-02 12:58:01 -0500
commit4ebd44dc4f8d7b5085a8f1d1929cdd0381bc7c43 (patch)
tree9e0b0c868735f864ec218963faa75cbbbf30047c
parent386424ccb59ffdabcb4ce9d363903741e329ebcb (diff)
downloadgem5-4ebd44dc4f8d7b5085a8f1d1929cdd0381bc7c43.tar.xz
ARM: Flesh out the 32 bit thumb store single instructions.
-rw-r--r--src/arch/arm/isa/bitfields.isa1
-rw-r--r--src/arch/arm/isa/thumbdecode.isa27
-rw-r--r--src/arch/arm/types.hh1
3 files changed, 28 insertions, 1 deletions
diff --git a/src/arch/arm/isa/bitfields.isa b/src/arch/arm/isa/bitfields.isa
index 1dcbddec3..5d191b6df 100644
--- a/src/arch/arm/isa/bitfields.isa
+++ b/src/arch/arm/isa/bitfields.isa
@@ -144,6 +144,7 @@ def bitfield HTOPCODE_8_7 htopcode8_7;
def bitfield HTOPCODE_8_6 htopcode8_6;
def bitfield HTOPCODE_8_5 htopcode8_5;
def bitfield HTOPCODE_7 htopcode7;
+def bitfield HTOPCODE_7_5 htopcode7_5;
def bitfield HTOPCODE_6_5 htopcode6_5;
def bitfield HTOPCODE_5_4 htopcode5_4;
def bitfield HTOPCODE_4 htopcode4;
diff --git a/src/arch/arm/isa/thumbdecode.isa b/src/arch/arm/isa/thumbdecode.isa
index 9bf596b88..84a4d8267 100644
--- a/src/arch/arm/isa/thumbdecode.isa
+++ b/src/arch/arm/isa/thumbdecode.isa
@@ -388,7 +388,32 @@
0x3: decode HTOPCODE_10_9 {
0x0: decode HTOPCODE_4 {
0x0: decode HTOPCODE_8 {
- 0x0: WarnUnimpl::Store_single_data_item();
+ 0x0: decode HTOPCODE_7_5 {
+ 0x0: decode LTOPCODE_11_8 {
+ 0x0: decode LTOPCODE_7_6 {
+ 0x0: WarnUnimpl::strb(); // register
+ }
+ 0x9, 0xb, 0xc, 0xd, 0xf: WarnUnimpl::strb(); // immediate thumb
+ 0xe: WarnUnimpl::strbt();
+ }
+ 0x1: decode LTOPCODE_11_8 {
+ 0x0: decode LTOPCODE_7_6 {
+ 0x0: WarnUnimpl::strh(); // register
+ }
+ 0x9, 0xb, 0xc, 0xd, 0xf: WarnUnimpl::strh(); // immediate thumb
+ 0xe: WarnUnimpl::strht();
+ }
+ 0x2: decode LTOPCODE_11_8 {
+ 0x0: decode LTOPCODE_7_6 {
+ 0x0: WarnUnimpl::str(); // register
+ }
+ 0x9, 0xb, 0xc, 0xd, 0xf: WarnUnimpl::str(); // immediate thumb
+ 0xe: WarnUnimpl::strt();
+ }
+ 0x4: WarnUnimpl::strb(); // immediate, thumb
+ 0x5: WarnUnimpl::strh(); // immediate, thumb
+ 0x6: WarnUnimpl::str(); // immediate, thumb
+ }
0x1: WarnUnimpl::Advanced_SIMD_or_structure_load_store();
}
0x1: decode HTOPCODE_6_5 {
diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh
index 23152d3cf..9bdf69305 100644
--- a/src/arch/arm/types.hh
+++ b/src/arch/arm/types.hh
@@ -156,6 +156,7 @@ namespace ArmISA
Bitfield<24, 22> htopcode8_6;
Bitfield<24, 21> htopcode8_5;
Bitfield<23> htopcode7;
+ Bitfield<23, 21> htopcode7_5;
Bitfield<22, 21> htopcode6_5;
Bitfield<21, 20> htopcode5_4;
Bitfield<20> htopcode4;