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| author | Jack Whitman <jack-m5ml2@cs.york.ac.uk> | 2009-06-24 21:22:52 -0700 |
|---|---|---|
| committer | Jack Whitman <jack-m5ml2@cs.york.ac.uk> | 2009-06-24 21:22:52 -0700 |
| commit | 7b5386d390a114784fe65efe3884c670c1a9ced8 (patch) | |
| tree | f283659c32019f9c50b3de6b9cf9ba2fb30a0886 /src | |
| parent | 853a0858f33e6d27c1b3bc1a7cb29636a82e7663 (diff) | |
| download | gem5-7b5386d390a114784fe65efe3884c670c1a9ced8.tar.xz | |
ARM: Fix signed multiply long and add some unimplemented loads.
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/arm/isa/decoder.isa | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/src/arch/arm/isa/decoder.isa b/src/arch/arm/isa/decoder.isa index 20f5b99f0..26f4af60a 100644 --- a/src/arch/arm/isa/decoder.isa +++ b/src/arch/arm/isa/decoder.isa @@ -388,7 +388,7 @@ decode COND_CODE default Unknown::unknown() { }}); 0xc: smull_lu({{ int64_t resTemp; - resTemp = ((int64_t)Rm)*((int64_t)Rs); + resTemp = ((int64_t)Rm.sw)*((int64_t)Rs.sw); Rd = (int32_t)(resTemp & 0xffffffff); Rn = (int32_t)(resTemp >> 32); }}); @@ -396,6 +396,9 @@ decode COND_CODE default Unknown::unknown() { } } 0x1: decode PUIWL { + 0x01,0x09: ArmLoadMemory::ldrh_l({{ Rd.uh = Mem.uh; + Rn = Rn + Rm; }}, + {{ EA = Rn; }}); 0x04,0x0c: ArmStoreMemory::strh_i({{ Mem.uh = Rd.uh; Rn = Rn + hilo; }}, {{ EA = Rn; }}); @@ -425,6 +428,9 @@ decode COND_CODE default Unknown::unknown() { } 0x2: decode PUIWL { format ArmLoadMemory { + 0x05,0x0d: ldrsb_il({{ Rd.sb = Mem.sb; + Rn = Rn + hilo; }}, + {{ EA = Rn; }}); 0x11,0x19: ldrsb_pl({{ Rd.sb = Mem.sb; }}, {{ EA = Rn + Rm; }}); 0x13,0x1b: ldrsb_pwl({{ Rd.sb = Mem.sb; @@ -439,6 +445,9 @@ decode COND_CODE default Unknown::unknown() { } 0x3: decode PUIWL { format ArmLoadMemory { + 0x05,0x0d: ldrsh_il({{ Rd.sh = Mem.sh; + Rn = Rn + hilo; }}, + {{ EA = Rn; }}); 0x11,0x19: ldrsh_pl({{ Rd.sh = Mem.sh; }}, {{ EA = Rn + Rm; }}); 0x13,0x1b: ldrsh_pwl({{ Rd.sh = Mem.sh; @@ -583,28 +592,28 @@ decode COND_CODE default Unknown::unknown() { 0x00,0x08: ArmStoreMemory::str_({{ Mem = Rd; Rn = Rn + disp; }}, {{ EA = Rn; }}); - 0x01,0x09: ArmLoadMemory::ldr_l({{ Rd = Mem; - Rn = Rn + disp; }}, + 0x01,0x09: ArmLoadMemory::ldr_l({{ Rn = Rn + disp; + Rd = Mem; }}, {{ EA = Rn; }}); 0x04,0x0c: ArmStoreMemory::strb_b({{ Mem.ub = Rd.ub; Rn = Rn + disp; }}, {{ EA = Rn; }}); - 0x05,0x0d: ArmLoadMemory::ldrb_bl({{ Rd.ub = Mem.ub; - Rn = Rn + disp; }}, + 0x05,0x0d: ArmLoadMemory::ldrb_bl({{ Rn = Rn + disp; + Rd.ub = Mem.ub; }}, {{ EA = Rn; }}); // Pre-indexed variants 0x10,0x18: ArmStoreMemory::str_p({{ Mem = Rd; }}); 0x11,0x19: ArmLoadMemory::ldr_pl({{ Rd = Mem; }}); 0x12,0x1a: ArmStoreMemory::str_pw({{ Mem = Rd; Rn = Rn + disp; }}); - 0x13,0x1b: ArmLoadMemory::ldr_pwl({{ Rd = Mem; - Rn = Rn + disp; }}); + 0x13,0x1b: ArmLoadMemory::ldr_pwl({{ Rn = Rn + disp; + Rd = Mem; }}); 0x14,0x1c: ArmStoreMemory::strb_pb({{ Mem.ub = Rd.ub; }}); 0x15,0x1d: ArmLoadMemory::ldrb_pbl({{ Rd.ub = Mem.ub; }}); 0x16,0x1e: ArmStoreMemory::strb_pbw({{ Mem.ub = Rd.ub; Rn = Rn + disp; }}); - 0x17,0x1f: ArmLoadMemory::ldrb_pbwl({{ Rd.ub = Mem.ub; - Rn = Rn + disp; }}); + 0x17,0x1f: ArmLoadMemory::ldrb_pbwl({{ Rn = Rn + disp; + Rd.ub = Mem.ub; }}); } 0x3: decode OPCODE_4 { 0: decode PUBWL { |