summaryrefslogtreecommitdiff
path: root/src/arch/riscv/isa/formats/mem.isa
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/riscv/isa/formats/mem.isa')
-rw-r--r--src/arch/riscv/isa/formats/mem.isa78
1 files changed, 6 insertions, 72 deletions
diff --git a/src/arch/riscv/isa/formats/mem.isa b/src/arch/riscv/isa/formats/mem.isa
index bce76c4d5..ef5f9527c 100644
--- a/src/arch/riscv/isa/formats/mem.isa
+++ b/src/arch/riscv/isa/formats/mem.isa
@@ -33,72 +33,6 @@
//
// Memory operation instructions
//
-output header {{
- class Load : public RiscvStaticInst
- {
- public:
- /// Displacement for EA calculation (signed).
- int64_t ldisp;
-
- protected:
- /// Memory request flags. See mem_req_base.hh.
- Request::Flags memAccessFlags;
-
- /// Constructor
- Load(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
- : RiscvStaticInst(mnem, _machInst, __opClass), ldisp(0)
- {}
-
- std::string
- generateDisassembly(Addr pc, const SymbolTable *symtab) const;
- };
-
- class Store : public RiscvStaticInst
- {
- public:
- /// Displacement for EA calculation (signed).
- int64_t sdisp;
-
- protected:
- /// Memory request flags. See mem_req_base.hh.
- Request::Flags memAccessFlags;
-
- /// Constructor
- Store(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
- : RiscvStaticInst(mnem, _machInst, __opClass), sdisp(0)
- {
- sdisp = IMM5 | (IMM7 << 5);
- if (IMMSIGN > 0)
- sdisp |= ~((uint64_t)0xFFF);
- }
-
- std::string
- generateDisassembly(Addr pc, const SymbolTable *symtab) const;
- };
-
-}};
-
-
-output decoder {{
- std::string
- Load::generateDisassembly(Addr pc, const SymbolTable *symtab) const
- {
- std::stringstream ss;
- ss << mnemonic << ' ' << registerName(_destRegIdx[0]) << ", " <<
- ldisp << '(' << registerName(_srcRegIdx[0]) << ')';
- return ss.str();
- }
-
- std::string
- Store::generateDisassembly(Addr pc, const SymbolTable *symtab) const
- {
- std::stringstream ss;
- ss << mnemonic << ' ' << registerName(_srcRegIdx[1]) << ", " <<
- sdisp << '(' << registerName(_srcRegIdx[0]) << ')';
- return ss.str();
- }
-}};
-
def template LoadStoreDeclare {{
/**
* Static instruction class for "%(mnemonic)s".
@@ -320,24 +254,24 @@ def template StoreCompleteAcc {{
}
}};
-def format Load(memacc_code, ea_code = {{EA = Rs1 + ldisp;}}, mem_flags=[],
+def format Load(memacc_code, ea_code = {{EA = Rs1 + offset;}}, mem_flags=[],
inst_flags=[]) {{
offset_code = """
- ldisp = IMM12;
+ offset = IMM12;
if (IMMSIGN > 0)
- ldisp |= ~((uint64_t)0xFFF);
+ offset |= ~((uint64_t)0xFFF);
"""
(header_output, decoder_output, decode_block, exec_output) = \
LoadStoreBase(name, Name, offset_code, ea_code, memacc_code, mem_flags,
inst_flags, 'Load', exec_template_base='Load')
}};
-def format Store(memacc_code, ea_code={{EA = Rs1 + sdisp;}}, mem_flags=[],
+def format Store(memacc_code, ea_code={{EA = Rs1 + offset;}}, mem_flags=[],
inst_flags=[]) {{
offset_code = """
- sdisp = IMM5 | (IMM7 << 5);
+ offset = IMM5 | (IMM7 << 5);
if (IMMSIGN > 0)
- sdisp |= ~((uint64_t)0xFFF);
+ offset |= ~((uint64_t)0xFFF);
"""
(header_output, decoder_output, decode_block, exec_output) = \
LoadStoreBase(name, Name, offset_code, ea_code, memacc_code, mem_flags,