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authorGabe Black <gblack@eecs.umich.edu>2010-06-02 12:58:12 -0500
committerGabe Black <gblack@eecs.umich.edu>2010-06-02 12:58:12 -0500
commitad9c5af9450f88ad28b4ff5d9dc1c1a14e1fccc9 (patch)
tree3fa82312e960fdccb574f22f3c5d5ce7c0d46a47 /src
parentdea707704fbfc8e8fdecf3accf4d8e8e5aa3df68 (diff)
downloadgem5-ad9c5af9450f88ad28b4ff5d9dc1c1a14e1fccc9.tar.xz
ARM: Fix up thumb decoding of coproc instructions.
Diffstat (limited to 'src')
-rw-r--r--src/arch/arm/isa/decoder/thumb.isa34
1 files changed, 9 insertions, 25 deletions
diff --git a/src/arch/arm/isa/decoder/thumb.isa b/src/arch/arm/isa/decoder/thumb.isa
index 328803b8e..d618f6b35 100644
--- a/src/arch/arm/isa/decoder/thumb.isa
+++ b/src/arch/arm/isa/decoder/thumb.isa
@@ -92,7 +92,8 @@
}
0x3: WarnUnimpl::Advanced_SIMD();
default: decode LTCOPROC {
- 0xa, 0xb: decode HTOPCODE_9_4 {
+ 0xa, 0xb: ExtensionRegLoadStore::extensionRegLoadStre();
+ 0xf: decode HTOPCODE_9_4 {
0x00: Unknown::undefined();
0x04: WarnUnimpl::mcrr(); // mcrr2
0x05: WarnUnimpl::mrrc(); // mrrc2
@@ -106,13 +107,6 @@
default: WarnUnimpl::ldc(); // ldc2 (immediate)
}
}
- default: decode HTOPCODE_9_5 {
- 0x00: Unknown::undefined();
- 0x02: WarnUnimpl::SIMD_VFP_64_bit_core_extension_transfer();
- 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
- 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f:
- WarnUnimpl::Extension_register_load_store_instruction();
- }
}
}
}
@@ -144,23 +138,20 @@
default: decode HTOPCODE_9_8 {
0x2: decode LTOPCODE_4 {
0x0: decode LTCOPROC {
- 0xa, 0xb: WarnUnimpl::VFP_Inst();
+ 0xa, 0xb: decode OPCODE_23_20 {
+##include "vfp.isa"
+ }
default: WarnUnimpl::cdp(); // cdp2
}
0x1: decode LTCOPROC {
- 0xa, 0xb: WarnUnimpl::Core_to_extension_transfer();
- default: decode CPNUM {
- 15: McrMrc15::mcr2Mrc215();
- default: decode HTOPCODE_4 {
- 0x0: WarnUnimpl::mcr2();
- 0x1: WarnUnimpl::mrc2();
- }
- }
+ 0xa, 0xb: ShortFpTransfer::shortFpTransfer();
+ 0xf: McrMrc15::mcrMrc15();
}
}
0x3: WarnUnimpl::Advanced_SIMD();
default: decode LTCOPROC {
- 0xa, 0xb: decode HTOPCODE_9_4 {
+ 0xa, 0xb: ExtensionRegLoadStore::extensionRegLoadStre();
+ 0xf: decode HTOPCODE_9_4 {
0x00: Unknown::undefined();
0x04: WarnUnimpl::mcrr(); // mcrr2
0x05: WarnUnimpl::mrrc(); // mrrc2
@@ -174,13 +165,6 @@
default: WarnUnimpl::ldc(); // ldc2 (immediate)
}
}
- default: decode HTOPCODE_9_5 {
- 0x00: Unknown::undefined();
- 0x02: WarnUnimpl::SIMD_VFP_64_bit_core_extension_transfer();
- 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
- 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f:
- WarnUnimpl::Extension_register_load_store_instruction();
- }
}
}
}