diff options
Diffstat (limited to 'target/hexagon/gen_helper_funcs.py')
| -rwxr-xr-x | target/hexagon/gen_helper_funcs.py | 338 |
1 files changed, 193 insertions, 145 deletions
diff --git a/target/hexagon/gen_helper_funcs.py b/target/hexagon/gen_helper_funcs.py index dc67eaf716..c4e04508f8 100755 --- a/target/hexagon/gen_helper_funcs.py +++ b/target/hexagon/gen_helper_funcs.py @@ -22,131 +22,171 @@ import re import string import hex_common + ## ## Helpers for gen_helper_function ## def gen_decl_ea(f): f.write(" uint32_t EA;\n") -def gen_helper_return_type(f,regtype,regid,regno): - if regno > 1 : f.write(", ") + +def gen_helper_return_type(f, regtype, regid, regno): + if regno > 1: + f.write(", ") f.write("int32_t") -def gen_helper_return_type_pair(f,regtype,regid,regno): - if regno > 1 : f.write(", ") + +def gen_helper_return_type_pair(f, regtype, regid, regno): + if regno > 1: + f.write(", ") f.write("int64_t") -def gen_helper_arg(f,regtype,regid,regno): - if regno > 0 : f.write(", " ) + +def gen_helper_arg(f, regtype, regid, regno): + if regno > 0: + f.write(", ") f.write(f"int32_t {regtype}{regid}V") -def gen_helper_arg_new(f,regtype,regid,regno): - if regno >= 0 : f.write(", " ) + +def gen_helper_arg_new(f, regtype, regid, regno): + if regno >= 0: + f.write(", ") f.write(f"int32_t {regtype}{regid}N") -def gen_helper_arg_pair(f,regtype,regid,regno): - if regno >= 0 : f.write(", ") + +def gen_helper_arg_pair(f, regtype, regid, regno): + if regno >= 0: + f.write(", ") f.write(f"int64_t {regtype}{regid}V") -def gen_helper_arg_ext(f,regtype,regid,regno): - if regno > 0 : f.write(", ") + +def gen_helper_arg_ext(f, regtype, regid, regno): + if regno > 0: + f.write(", ") f.write(f"void *{regtype}{regid}V_void") -def gen_helper_arg_ext_pair(f,regtype,regid,regno): - if regno > 0 : f.write(", ") + +def gen_helper_arg_ext_pair(f, regtype, regid, regno): + if regno > 0: + f.write(", ") f.write(f"void *{regtype}{regid}V_void") -def gen_helper_arg_opn(f,regtype,regid,i,tag): - if (hex_common.is_pair(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_arg_ext_pair(f,regtype,regid,i) + +def gen_helper_arg_opn(f, regtype, regid, i, tag): + if hex_common.is_pair(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_arg_ext_pair(f, regtype, regid, i) else: - gen_helper_arg_pair(f,regtype,regid,i) - elif (hex_common.is_single(regid)): + gen_helper_arg_pair(f, regtype, regid, i) + elif hex_common.is_single(regid): if hex_common.is_old_val(regtype, regid, tag): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_arg_ext(f,regtype,regid,i) + if hex_common.is_hvx_reg(regtype): + gen_helper_arg_ext(f, regtype, regid, i) else: - gen_helper_arg(f,regtype,regid,i) + gen_helper_arg(f, regtype, regid, i) elif hex_common.is_new_val(regtype, regid, tag): - gen_helper_arg_new(f,regtype,regid,i) + gen_helper_arg_new(f, regtype, regid, i) else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) -def gen_helper_arg_imm(f,immlett): + +def gen_helper_arg_imm(f, immlett): f.write(f", int32_t {hex_common.imm_name(immlett)}") -def gen_helper_dest_decl(f,regtype,regid,regno,subfield=""): + +def gen_helper_dest_decl(f, regtype, regid, regno, subfield=""): f.write(f" int32_t {regtype}{regid}V{subfield} = 0;\n") -def gen_helper_dest_decl_pair(f,regtype,regid,regno,subfield=""): + +def gen_helper_dest_decl_pair(f, regtype, regid, regno, subfield=""): f.write(f" int64_t {regtype}{regid}V{subfield} = 0;\n") -def gen_helper_dest_decl_ext(f,regtype,regid): - if (regtype == "Q"): - f.write(f" /* {regtype}{regid}V is *(MMQReg *)" - f"({regtype}{regid}V_void) */\n") + +def gen_helper_dest_decl_ext(f, regtype, regid): + if regtype == "Q": + f.write( + f" /* {regtype}{regid}V is *(MMQReg *)" f"({regtype}{regid}V_void) */\n" + ) else: - f.write(f" /* {regtype}{regid}V is *(MMVector *)" - f"({regtype}{regid}V_void) */\n") + f.write( + f" /* {regtype}{regid}V is *(MMVector *)" + f"({regtype}{regid}V_void) */\n" + ) + -def gen_helper_dest_decl_ext_pair(f,regtype,regid,regno): - f.write(f" /* {regtype}{regid}V is *(MMVectorPair *))" - f"{regtype}{regid}V_void) */\n") +def gen_helper_dest_decl_ext_pair(f, regtype, regid, regno): + f.write( + f" /* {regtype}{regid}V is *(MMVectorPair *))" + f"{regtype}{regid}V_void) */\n" + ) -def gen_helper_dest_decl_opn(f,regtype,regid,i): - if (hex_common.is_pair(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_dest_decl_ext_pair(f,regtype,regid, i) + +def gen_helper_dest_decl_opn(f, regtype, regid, i): + if hex_common.is_pair(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_dest_decl_ext_pair(f, regtype, regid, i) else: - gen_helper_dest_decl_pair(f,regtype,regid,i) - elif (hex_common.is_single(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_dest_decl_ext(f,regtype,regid) + gen_helper_dest_decl_pair(f, regtype, regid, i) + elif hex_common.is_single(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_dest_decl_ext(f, regtype, regid) else: - gen_helper_dest_decl(f,regtype,regid,i) + gen_helper_dest_decl(f, regtype, regid, i) else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) + -def gen_helper_src_var_ext(f,regtype,regid): - if (regtype == "Q"): - f.write(f" /* {regtype}{regid}V is *(MMQReg *)" - f"({regtype}{regid}V_void) */\n") +def gen_helper_src_var_ext(f, regtype, regid): + if regtype == "Q": + f.write( + f" /* {regtype}{regid}V is *(MMQReg *)" f"({regtype}{regid}V_void) */\n" + ) else: - f.write(f" /* {regtype}{regid}V is *(MMVector *)" - f"({regtype}{regid}V_void) */\n") + f.write( + f" /* {regtype}{regid}V is *(MMVector *)" + f"({regtype}{regid}V_void) */\n" + ) + + +def gen_helper_src_var_ext_pair(f, regtype, regid, regno): + f.write( + f" /* {regtype}{regid}V{regno} is *(MMVectorPair *)" + f"({regtype}{regid}V{regno}_void) */\n" + ) -def gen_helper_src_var_ext_pair(f,regtype,regid,regno): - f.write(f" /* {regtype}{regid}V{regno} is *(MMVectorPair *)" - f"({regtype}{regid}V{regno}_void) */\n") -def gen_helper_return(f,regtype,regid,regno): +def gen_helper_return(f, regtype, regid, regno): f.write(f" return {regtype}{regid}V;\n") -def gen_helper_return_pair(f,regtype,regid,regno): + +def gen_helper_return_pair(f, regtype, regid, regno): f.write(f" return {regtype}{regid}V;\n") -def gen_helper_dst_write_ext(f,regtype,regid): + +def gen_helper_dst_write_ext(f, regtype, regid): return -def gen_helper_dst_write_ext_pair(f,regtype,regid): + +def gen_helper_dst_write_ext_pair(f, regtype, regid): return + def gen_helper_return_opn(f, regtype, regid, i): - if (hex_common.is_pair(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_dst_write_ext_pair(f,regtype,regid) + if hex_common.is_pair(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_dst_write_ext_pair(f, regtype, regid) else: - gen_helper_return_pair(f,regtype,regid,i) - elif (hex_common.is_single(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_dst_write_ext(f,regtype,regid) + gen_helper_return_pair(f, regtype, regid, i) + elif hex_common.is_single(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_dst_write_ext(f, regtype, regid) else: - gen_helper_return(f,regtype,regid,i) + gen_helper_return(f, regtype, regid, i) else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) + ## ## Generate the TCG code to call the helper @@ -168,138 +208,145 @@ def gen_helper_function(f, tag, tagregs, tagimms): numresults = 0 numscalarresults = 0 numscalarreadwrite = 0 - for regtype,regid,toss,numregs in regs: - if (hex_common.is_written(regid)): + for regtype, regid, toss, numregs in regs: + if hex_common.is_written(regid): numresults += 1 - if (hex_common.is_scalar_reg(regtype)): + if hex_common.is_scalar_reg(regtype): numscalarresults += 1 - if (hex_common.is_readwrite(regid)): - if (hex_common.is_scalar_reg(regtype)): + if hex_common.is_readwrite(regid): + if hex_common.is_scalar_reg(regtype): numscalarreadwrite += 1 - if (numscalarresults > 1): + if numscalarresults > 1: ## The helper is bogus when there is more than one result - f.write(f"void HELPER({tag})(CPUHexagonState *env) " - f"{{ BOGUS_HELPER({tag}); }}\n") + f.write( + f"void HELPER({tag})(CPUHexagonState *env) " f"{{ BOGUS_HELPER({tag}); }}\n" + ) else: ## The return type of the function is the type of the destination ## register (if scalar) - i=0 - for regtype,regid,toss,numregs in regs: - if (hex_common.is_written(regid)): - if (hex_common.is_pair(regid)): - if (hex_common.is_hvx_reg(regtype)): + i = 0 + for regtype, regid, toss, numregs in regs: + if hex_common.is_written(regid): + if hex_common.is_pair(regid): + if hex_common.is_hvx_reg(regtype): continue else: - gen_helper_return_type_pair(f,regtype,regid,i) - elif (hex_common.is_single(regid)): - if (hex_common.is_hvx_reg(regtype)): - continue + gen_helper_return_type_pair(f, regtype, regid, i) + elif hex_common.is_single(regid): + if hex_common.is_hvx_reg(regtype): + continue else: - gen_helper_return_type(f,regtype,regid,i) + gen_helper_return_type(f, regtype, regid, i) else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) i += 1 - if (numscalarresults == 0): + if numscalarresults == 0: f.write("void") f.write(f" HELPER({tag})(CPUHexagonState *env") ## Arguments include the vector destination operands i = 1 - for regtype,regid,toss,numregs in regs: - if (hex_common.is_written(regid)): - if (hex_common.is_pair(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_arg_ext_pair(f,regtype,regid,i) + for regtype, regid, toss, numregs in regs: + if hex_common.is_written(regid): + if hex_common.is_pair(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_arg_ext_pair(f, regtype, regid, i) else: continue - elif (hex_common.is_single(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_arg_ext(f,regtype,regid,i) + elif hex_common.is_single(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_arg_ext(f, regtype, regid, i) else: # This is the return value of the function continue else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) i += 1 ## For conditional instructions, we pass in the destination register - if 'A_CONDEXEC' in hex_common.attribdict[tag]: + if "A_CONDEXEC" in hex_common.attribdict[tag]: for regtype, regid, toss, numregs in regs: - if (hex_common.is_writeonly(regid) and - not hex_common.is_hvx_reg(regtype)): + if hex_common.is_writeonly(regid) and not hex_common.is_hvx_reg( + regtype + ): gen_helper_arg_opn(f, regtype, regid, i, tag) i += 1 ## Arguments to the helper function are the source regs and immediates - for regtype,regid,toss,numregs in regs: - if (hex_common.is_read(regid)): - if (hex_common.is_hvx_reg(regtype) and - hex_common.is_readwrite(regid)): + for regtype, regid, toss, numregs in regs: + if hex_common.is_read(regid): + if hex_common.is_hvx_reg(regtype) and hex_common.is_readwrite(regid): continue - gen_helper_arg_opn(f,regtype,regid,i,tag) + gen_helper_arg_opn(f, regtype, regid, i, tag) i += 1 - for immlett,bits,immshift in imms: - gen_helper_arg_imm(f,immlett) + for immlett, bits, immshift in imms: + gen_helper_arg_imm(f, immlett) i += 1 - if (hex_common.need_pkt_has_multi_cof(tag)): + if hex_common.need_pkt_has_multi_cof(tag): f.write(", uint32_t pkt_has_multi_cof") if hex_common.need_PC(tag): - if i > 0: f.write(", ") + if i > 0: + f.write(", ") f.write("target_ulong PC") i += 1 if hex_common.helper_needs_next_PC(tag): - if i > 0: f.write(", ") + if i > 0: + f.write(", ") f.write("target_ulong next_PC") i += 1 if hex_common.need_slot(tag): - if i > 0: f.write(", ") + if i > 0: + f.write(", ") f.write("uint32_t slot") i += 1 if hex_common.need_part1(tag): - if i > 0: f.write(", ") + if i > 0: + f.write(", ") f.write("uint32_t part1") f.write(")\n{\n") - if (not hex_common.need_slot(tag)): - f.write(" uint32_t slot __attribute__((unused)) = 4;\n" ) - if hex_common.need_ea(tag): gen_decl_ea(f) + if not hex_common.need_slot(tag): + f.write(" uint32_t slot __attribute__((unused)) = 4;\n") + if hex_common.need_ea(tag): + gen_decl_ea(f) ## Declare the return variable - i=0 - if 'A_CONDEXEC' not in hex_common.attribdict[tag]: - for regtype,regid,toss,numregs in regs: - if (hex_common.is_writeonly(regid)): - gen_helper_dest_decl_opn(f,regtype,regid,i) + i = 0 + if "A_CONDEXEC" not in hex_common.attribdict[tag]: + for regtype, regid, toss, numregs in regs: + if hex_common.is_writeonly(regid): + gen_helper_dest_decl_opn(f, regtype, regid, i) i += 1 - for regtype,regid,toss,numregs in regs: - if (hex_common.is_read(regid)): - if (hex_common.is_pair(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_src_var_ext_pair(f,regtype,regid,i) - elif (hex_common.is_single(regid)): - if (hex_common.is_hvx_reg(regtype)): - gen_helper_src_var_ext(f,regtype,regid) + for regtype, regid, toss, numregs in regs: + if hex_common.is_read(regid): + if hex_common.is_pair(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_src_var_ext_pair(f, regtype, regid, i) + elif hex_common.is_single(regid): + if hex_common.is_hvx_reg(regtype): + gen_helper_src_var_ext(f, regtype, regid) else: - print("Bad register parse: ",regtype,regid,toss,numregs) + print("Bad register parse: ", regtype, regid, toss, numregs) - if 'A_FPOP' in hex_common.attribdict[tag]: - f.write(' arch_fpop_start(env);\n'); + if "A_FPOP" in hex_common.attribdict[tag]: + f.write(" arch_fpop_start(env);\n") f.write(f" {hex_common.semdict[tag]}\n") - if 'A_FPOP' in hex_common.attribdict[tag]: - f.write(' arch_fpop_end(env);\n'); + if "A_FPOP" in hex_common.attribdict[tag]: + f.write(" arch_fpop_end(env);\n") ## Save/return the return variable - for regtype,regid,toss,numregs in regs: - if (hex_common.is_written(regid)): + for regtype, regid, toss, numregs in regs: + if hex_common.is_written(regid): gen_helper_return_opn(f, regtype, regid, i) f.write("}\n\n") ## End of the helper definition + def main(): hex_common.read_semantics_file(sys.argv[1]) hex_common.read_attribs_file(sys.argv[2]) @@ -322,27 +369,28 @@ def main(): tagimms = hex_common.get_tagimms() output_file = sys.argv[-1] - with open(output_file, 'w') as f: + with open(output_file, "w") as f: for tag in hex_common.tags: ## Skip the priv instructions - if ( "A_PRIV" in hex_common.attribdict[tag] ) : + if "A_PRIV" in hex_common.attribdict[tag]: continue ## Skip the guest instructions - if ( "A_GUEST" in hex_common.attribdict[tag] ) : + if "A_GUEST" in hex_common.attribdict[tag]: continue ## Skip the diag instructions - if ( tag == "Y6_diag" ) : + if tag == "Y6_diag": continue - if ( tag == "Y6_diag0" ) : + if tag == "Y6_diag0": continue - if ( tag == "Y6_diag1" ) : + if tag == "Y6_diag1": continue - if ( hex_common.skip_qemu_helper(tag) ): + if hex_common.skip_qemu_helper(tag): continue - if ( hex_common.is_idef_parser_enabled(tag) ): + if hex_common.is_idef_parser_enabled(tag): continue gen_helper_function(f, tag, tagregs, tagimms) + if __name__ == "__main__": main() |