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-rw-r--r--src/arch/sparc/isa/decoder.isa201
1 files changed, 149 insertions, 52 deletions
diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa
index 1384b21a0..7c135a637 100644
--- a/src/arch/sparc/isa/decoder.isa
+++ b/src/arch/sparc/isa/decoder.isa
@@ -820,92 +820,189 @@ decode OP default Unknown::unknown()
}
0x3: decode OP3 {
format Load {
- 0x00: lduw({{Rd = Mem;}}, {{32}});
- 0x01: ldub({{Rd = Mem;}}, {{8}});
- 0x02: lduh({{Rd = Mem;}}, {{16}});
+ 0x00: lduw({{Rd = Mem.uw;}});
+ 0x01: ldub({{Rd = Mem.ub;}});
+ 0x02: lduh({{Rd = Mem.uhw;}});
0x03: ldd({{
- uint64_t val = Mem;
+ uint64_t val = Mem.udw;
RdLow = val<31:0>;
RdHigh = val<63:32>;
- }}, {{64}});
+ }});
}
format Store {
- 0x04: stw({{Mem = Rd.sw;}}, {{32}});
- 0x05: stb({{Mem = Rd.sb;}}, {{8}});
- 0x06: sth({{Mem = Rd.shw;}}, {{16}});
- 0x07: std({{Mem = RdLow<31:0> | (RdHigh<31:0> << 32);}}, {{64}});
+ 0x04: stw({{Mem.uw = Rd.sw;}});
+ 0x05: stb({{Mem.ub = Rd.sb;}});
+ 0x06: sth({{Mem.uhw = Rd.shw;}});
+ 0x07: std({{Mem.udw = RdLow<31:0> | (RdHigh<31:0> << 32);}});
}
format Load {
- 0x08: ldsw({{Rd = (int32_t)Mem;}}, {{32}});
- 0x09: ldsb({{Rd = (int8_t)Mem;}}, {{8}});
- 0x0A: ldsh({{Rd = (int16_t)Mem;}}, {{16}});
- 0x0B: ldx({{Rd = (int64_t)Mem;}}, {{64}});
+ 0x08: ldsw({{Rd = (int32_t)Mem.sw;}});
+ 0x09: ldsb({{Rd = (int8_t)Mem.sb;}});
+ 0x0A: ldsh({{Rd = (int16_t)Mem.shw;}});
+ 0x0B: ldx({{Rd = (int64_t)Mem.sdw;}});
0x0D: ldstub({{
- Rd = Mem;
- Mem = 0xFF;
- }}, {{8}});
+ Rd = Mem.ub;
+ Mem.ub = 0xFF;
+ }});
}
- 0x0E: Store::stx({{Mem = Rd}}, {{64}});
+ 0x0E: Store::stx({{Mem.udw = Rd}});
0x0F: LoadStore::swap({{
uint32_t temp = Rd;
- Rd = Mem;
- Mem = temp;
- }}, {{32}});
+ Rd = Mem.uw;
+ Mem.uw = temp;
+ }});
format Load {
- 0x10: lduwa({{Rd = Mem;}}, {{32}});
- 0x11: lduba({{Rd = Mem;}}, {{8}});
- 0x12: lduha({{Rd = Mem;}}, {{16}});
+ 0x10: lduwa({{Rd = Mem.uw;}});
+ 0x11: lduba({{Rd = Mem.ub;}});
+ 0x12: lduha({{Rd = Mem.uhw;}});
0x13: ldda({{
- uint64_t val = Mem;
+ uint64_t val = Mem.udw;
RdLow = val<31:0>;
RdHigh = val<63:32>;
- }}, {{64}});
+ }});
}
format Store {
- 0x14: stwa({{Mem = Rd;}}, {{32}});
- 0x15: stba({{Mem = Rd;}}, {{8}});
- 0x16: stha({{Mem = Rd;}}, {{16}});
- 0x17: stda({{Mem = RdLow<31:0> | RdHigh<31:0> << 32;}}, {{64}});
+ 0x14: stwa({{Mem.uw = Rd;}});
+ 0x15: stba({{Mem.ub = Rd;}});
+ 0x16: stha({{Mem.uhw = Rd;}});
+ 0x17: stda({{Mem.udw = RdLow<31:0> | RdHigh<31:0> << 32;}});
}
format Load {
- 0x18: ldswa({{Rd = (int32_t)Mem;}}, {{32}});
- 0x19: ldsba({{Rd = (int8_t)Mem;}}, {{8}});
- 0x1A: ldsha({{Rd = (int16_t)Mem;}}, {{16}});
- 0x1B: ldxa({{Rd = (int64_t)Mem;}}, {{64}});
+ 0x18: ldswa({{Rd = (int32_t)Mem.sw;}});
+ 0x19: ldsba({{Rd = (int8_t)Mem.sb;}});
+ 0x1A: ldsha({{Rd = (int16_t)Mem.shw;}});
+ 0x1B: ldxa({{Rd = (int64_t)Mem.sdw;}});
}
0x1D: LoadStore::ldstuba({{
- Rd = Mem;
- Mem = 0xFF;
- }}, {{8}});
- 0x1E: Store::stxa({{Mem = Rd}}, {{64}});
+ Rd = Mem.ub;
+ Mem.ub = 0xFF;
+ }});
+ 0x1E: Store::stxa({{Mem.udw = Rd}});
0x1F: LoadStore::swapa({{
uint32_t temp = Rd;
- Rd = Mem;
- Mem = temp;
- }}, {{32}});
+ Rd = Mem.uw;
+ Mem.uw = temp;
+ }});
format Trap {
- 0x20: Load::ldf({{Frd.uw = Mem;}}, {{32}});
+ 0x20: Load::ldf({{Frd.uw = Mem.uw;}});
0x21: decode X {
- 0x0: Load::ldfsr({{Fsr = Mem<31:0> | Fsr<63:32>;}}, {{32}});
- 0x1: Load::ldxfsr({{Fsr = Mem;}}, {{64}});
+ 0x0: Load::ldfsr({{Fsr = Mem.uw | Fsr<63:32>;}});
+ 0x1: Load::ldxfsr({{Fsr = Mem.udw;}});
}
0x22: ldqf({{fault = new FpDisabled;}});
- 0x23: Load::lddf({{Frd.udw = Mem;}}, {{64}});
- 0x24: Store::stf({{Mem = Frd.uw;}}, {{32}});
+ 0x23: Load::lddf({{Frd.udw = Mem.udw;}});
+ 0x24: Store::stf({{Mem.uw = Frd.uw;}});
0x25: decode X {
- 0x0: Store::stfsr({{Mem = Fsr<31:0>;}}, {{32}});
- 0x1: Store::stxfsr({{Mem = Fsr;}}, {{64}});
+ 0x0: Store::stfsr({{Mem.uw = Fsr<31:0>;}});
+ 0x1: Store::stxfsr({{Mem.udw = Fsr;}});
}
0x26: stqf({{fault = new FpDisabled;}});
- 0x27: Store::stdf({{Mem = Frd.udw;}}, {{64}});
+ 0x27: Store::stdf({{Mem.udw = Frd.udw;}});
0x2D: Nop::prefetch({{ }});
- 0x30: Load::ldfa({{Frd.uw = Mem;}}, {{32}});
+ 0x30: Load::ldfa({{Frd.uw = Mem.uw;}});
0x32: ldqfa({{fault = new FpDisabled;}});
- 0x33: Load::lddfa({{Frd.udw = Mem;}}, {{64}});
- 0x34: Store::stfa({{Mem = Frd.uw;}}, {{32}});
+ format LoadAlt {
+ 0x33: decode EXT_ASI {
+ //ASI_NUCLEUS
+ 0x04: FailUnimpl::lddfa_n();
+ //ASI_NUCLEUS_LITTLE
+ 0x0C: FailUnimpl::lddfa_nl();
+ //ASI_AS_IF_USER_PRIMARY
+ 0x10: FailUnimpl::lddfa_aiup();
+ //ASI_AS_IF_USER_PRIMARY_LITTLE
+ 0x18: FailUnimpl::lddfa_aiupl();
+ //ASI_AS_IF_USER_SECONDARY
+ 0x11: FailUnimpl::lddfa_aius();
+ //ASI_AS_IF_USER_SECONDARY_LITTLE
+ 0x19: FailUnimpl::lddfa_aiusl();
+ //ASI_REAL
+ 0x14: FailUnimpl::lddfa_real();
+ //ASI_REAL_LITTLE
+ 0x1C: FailUnimpl::lddfa_real_l();
+ //ASI_REAL_IO
+ 0x15: FailUnimpl::lddfa_real_io();
+ //ASI_REAL_IO_LITTLE
+ 0x1D: FailUnimpl::lddfa_real_io_l();
+ //ASI_PRIMARY
+ 0x80: FailUnimpl::lddfa_p();
+ //ASI_PRIMARY_LITTLE
+ 0x88: FailUnimpl::lddfa_pl();
+ //ASI_SECONDARY
+ 0x81: FailUnimpl::lddfa_s();
+ //ASI_SECONDARY_LITTLE
+ 0x89: FailUnimpl::lddfa_sl();
+ //ASI_PRIMARY_NO_FAULT
+ 0x82: FailUnimpl::lddfa_pnf();
+ //ASI_PRIMARY_NO_FAULT_LITTLE
+ 0x8A: FailUnimpl::lddfa_pnfl();
+ //ASI_SECONDARY_NO_FAULT
+ 0x83: FailUnimpl::lddfa_snf();
+ //ASI_SECONDARY_NO_FAULT_LITTLE
+ 0x8B: FailUnimpl::lddfa_snfl();
+
+ format BlockLoad {
+ // LDBLOCKF
+ //ASI_BLOCK_AS_IF_USER_PRIMARY
+ 0x16: FailUnimpl::ldblockf_aiup();
+ //ASI_BLOCK_AS_IF_USER_SECONDARY
+ 0x17: FailUnimpl::ldblockf_aius();
+ //ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE
+ 0x1E: FailUnimpl::ldblockf_aiupl();
+ //ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE
+ 0x1F: FailUnimpl::ldblockf_aiusl();
+ //ASI_BLOCK_PRIMARY
+ 0xF0: ldblockf_p({{Frd_%(micro_pc)d = Mem.udw}});
+ //ASI_BLOCK_SECONDARY
+ 0xF1: FailUnimpl::ldblockf_s();
+ //ASI_BLOCK_PRIMARY_LITTLE
+ 0xF8: FailUnimpl::ldblockf_pl();
+ //ASI_BLOCK_SECONDARY_LITTLE
+ 0xF9: FailUnimpl::ldblockf_sl();
+ }
+
+ //LDSHORTF
+ //ASI_FL8_PRIMARY
+ 0xD0: FailUnimpl::ldshortf_8p();
+ //ASI_FL8_SECONDARY
+ 0xD1: FailUnimpl::ldshortf_8s();
+ //ASI_FL8_PRIMARY_LITTLE
+ 0xD8: FailUnimpl::ldshortf_8pl();
+ //ASI_FL8_SECONDARY_LITTLE
+ 0xD9: FailUnimpl::ldshortf_8sl();
+ //ASI_FL16_PRIMARY
+ 0xD2: FailUnimpl::ldshortf_16p();
+ //ASI_FL16_SECONDARY
+ 0xD3: FailUnimpl::ldshortf_16s();
+ //ASI_FL16_PRIMARY_LITTLE
+ 0xDA: FailUnimpl::ldshortf_16pl();
+ //ASI_FL16_SECONDARY_LITTLE
+ 0xDB: FailUnimpl::ldshortf_16sl();
+ //Not an ASI which is legal with lddfa
+ default: Trap::lddfa_bad_asi({{fault = new DataAccessException;}});
+
+ //LoadAlt::lddfa({{
+ //Do the actual loading
+ //if(fault == NoFault)
+ //{
+ //if(AsiIsBlock(asi))
+ //{
+ //Do the block transfer
+ //}
+ //else
+ //{
+ //uint64_t val = Mem;
+ //if(AsiIsLittle(asi))
+ //val = gtole(val);
+ //Frd.udw = val;
+ //}
+ //}
+ //}}, {{64}});*/
+ }
+ }
+ 0x34: Store::stfa({{Mem.uw = Frd.uw;}});
0x36: stqfa({{fault = new FpDisabled;}});
//XXX need to work in the ASI thing
- 0x37: Store::stdfa({{Mem = Frd.udw;}}, {{64}});
+ 0x37: Store::stdfa({{Mem.udw = Frd.udw;}});
0x3C: Cas::casa({{
uint64_t val = Mem.uw;
if(Rs2.uw == val)
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-24 17:14:31 +0000