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author | Jerry Zhao <jerryz123@berkeley.edu> | 2024-06-20 14:30:19 -0700 |
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committer | Jerry Zhao <jerryz123@berkeley.edu> | 2024-06-21 10:29:20 -0700 |
commit | 3b6a8fa06ec04bee5634a52b01a4df0d5a91f826 (patch) | |
tree | 432d62cf15ce73e74b2bb16bdf2cdee5ed6d266f /riscv | |
parent | 0f4642ee44ba026bed7bc6f8b0d738de8cc9d948 (diff) | |
download | spike-3b6a8fa06ec04bee5634a52b01a4df0d5a91f826.zip spike-3b6a8fa06ec04bee5634a52b01a4df0d5a91f826.tar.gz spike-3b6a8fa06ec04bee5634a52b01a4df0d5a91f826.tar.bz2 |
Remove all --varch parsing
Diffstat (limited to 'riscv')
-rw-r--r-- | riscv/cfg.cc | 1 | ||||
-rw-r--r-- | riscv/cfg.h | 1 | ||||
-rw-r--r-- | riscv/processor.cc | 61 | ||||
-rw-r--r-- | riscv/processor.h | 1 | ||||
-rw-r--r-- | riscv/riscv.ac | 6 |
5 files changed, 0 insertions, 70 deletions
diff --git a/riscv/cfg.cc b/riscv/cfg.cc index d105eb5..67dfdb4 100644 --- a/riscv/cfg.cc +++ b/riscv/cfg.cc @@ -35,7 +35,6 @@ cfg_t::cfg_t() bootargs = nullptr; isa = DEFAULT_ISA; priv = DEFAULT_PRIV; - varch = DEFAULT_VARCH; misaligned = false; endianness = endianness_little; pmpregions = 16; diff --git a/riscv/cfg.h b/riscv/cfg.h index 63465e6..c972f03 100644 --- a/riscv/cfg.h +++ b/riscv/cfg.h @@ -67,7 +67,6 @@ public: const char * bootargs; const char * isa; const char * priv; - const char * varch; bool misaligned; endianness_t endianness; reg_t pmpregions; diff --git a/riscv/processor.cc b/riscv/processor.cc index 516618d..9498b8f 100644 --- a/riscv/processor.cc +++ b/riscv/processor.cc @@ -105,11 +105,6 @@ static void bad_option_string(const char *option, const char *value, abort(); } -static void bad_varch_string(const char* varch, const char *msg) -{ - bad_option_string("--varch", varch, msg); -} - static std::string get_string_token(std::string str, const char delimiter, size_t& pos) { size_t _pos = pos; @@ -117,17 +112,6 @@ static std::string get_string_token(std::string str, const char delimiter, size_ return str.substr(_pos, pos - _pos); } -static int get_int_token(std::string str, const char delimiter, size_t& pos) -{ - size_t _pos = pos; - while (pos < str.length() && str[pos] != delimiter) { - if (!isdigit(str[pos])) - bad_varch_string(str.c_str(), "Unsupported value"); // An integer is expected - ++pos; - } - return (pos == _pos) ? 0 : stoi(str.substr(_pos, pos - _pos)); -} - static bool check_pow2(int val) { return ((val & (val - 1))) == 0; @@ -141,51 +125,6 @@ static std::string strtolower(const char* str) return res; } -void processor_t::parse_varch_string(const char* s) -{ - std::string str = strtolower(s); - size_t pos = 0; - size_t len = str.length(); - int vlen = 0; - int elen = 0; - int vstart_alu = 0; - - while (pos < len) { - std::string attr = get_string_token(str, ':', pos); - - ++pos; - - if (attr == "vlen") - vlen = get_int_token(str, ',', pos); - else if (attr == "elen") - elen = get_int_token(str, ',', pos); - else if (attr == "vstartalu") - vstart_alu = get_int_token(str, ',', pos); - else - bad_varch_string(s, "Unsupported token"); - - ++pos; - } - - // The integer should be the power of 2 - if (!check_pow2(vlen) || !check_pow2(elen)) { - bad_varch_string(s, "The integer value should be the power of 2"); - } - - /* Vector spec requirements. */ - if (vlen < elen) - bad_varch_string(s, "vlen must be >= elen"); - - /* spike requirements. */ - if (vlen > 4096) - bad_varch_string(s, "vlen must be <= 4096"); - - VU.VLEN = vlen; - VU.ELEN = elen; - VU.vlenb = vlen / 8; - VU.vstart_alu = vstart_alu; -} - static int xlen_to_uxl(int xlen) { if (xlen == 32) diff --git a/riscv/processor.h b/riscv/processor.h index 1f11393..14b828c 100644 --- a/riscv/processor.h +++ b/riscv/processor.h @@ -410,7 +410,6 @@ private: friend class plic_t; friend class extension_t; - void parse_varch_string(const char*); void parse_priv_string(const char*); void build_opcode_map(); void register_base_instructions(); diff --git a/riscv/riscv.ac b/riscv/riscv.ac index 5785f27..378fd10 100644 --- a/riscv/riscv.ac +++ b/riscv/riscv.ac @@ -20,12 +20,6 @@ AC_ARG_WITH(priv, AC_DEFINE_UNQUOTED([DEFAULT_PRIV], "$withval", [Default value for --priv switch]), AC_DEFINE_UNQUOTED([DEFAULT_PRIV], "MSU", [Default value for --priv switch])) -AC_ARG_WITH(varch, - [AS_HELP_STRING([--with-varch=vlen:128,elen:64], - [Sets the default vector config])], - AC_DEFINE_UNQUOTED([DEFAULT_VARCH], "$withval", [Default value for --varch switch]), - AC_DEFINE([DEFAULT_VARCH], ["vlen:128,elen:64"], [Default value for --varch switch])) - AC_ARG_WITH(target, [AS_HELP_STRING([--with-target=riscv64-unknown-elf], [Sets the default target config])], |