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| author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-08 13:52:59 +0100 |
|---|---|---|
| committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-02-08 13:52:59 +0100 |
| commit | 789186fd63fb3fb63af1d8875cbe43609321b9d8 (patch) | |
| tree | af800264aeb46dc839b4d209833420f9de4f632b /qtmips_machine/instruction.cpp | |
| parent | 6b639c50c93e4a682b15dcdf20f3d46a47d68a64 (diff) | |
| download | qtmips-789186fd63fb3fb63af1d8875cbe43609321b9d8.tar.gz qtmips-789186fd63fb3fb63af1d8875cbe43609321b9d8.tar.bz2 qtmips-789186fd63fb3fb63af1d8875cbe43609321b9d8.zip | |
Implement LL and SC as simple load and store word. SC returns 1 unconditionally.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'qtmips_machine/instruction.cpp')
| -rw-r--r-- | qtmips_machine/instruction.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp index 393760c..d72dc7d 100644 --- a/qtmips_machine/instruction.cpp +++ b/qtmips_machine/instruction.cpp @@ -361,7 +361,8 @@ static const struct InstructionMap instruction_map[] = { .flags = IMF_MEM | IMF_MEM_STORE}, {"CACHE", IT_I, ALU_OP_ADDU, AC_CACHE_OP, nullptr, // CACHE .flags = IMF_SUPPORTED | IMF_ALUSRC | IMF_MEM| IMF_MEM_STORE}, - IM_UNKNOWN, // 48 + {"LL", IT_I, ALU_OP_ADDU, AC_LOAD_LINKED, nullptr, // LL + .flags = FLAGS_ALU_I_LOAD}, IM_UNKNOWN, // 49 IM_UNKNOWN, // 50 IM_UNKNOWN, // 51 @@ -369,7 +370,8 @@ static const struct InstructionMap instruction_map[] = { IM_UNKNOWN, // 53 IM_UNKNOWN, // 54 IM_UNKNOWN, // 55 - IM_UNKNOWN, // 56 + {"SC", IT_I, ALU_OP_ADDU, AC_STORE_CONDITIONAL, nullptr, // SW + .flags = FLAGS_ALU_I_STORE | IMF_MEMREAD | IMF_REGWRITE}, IM_UNKNOWN, // 57 IM_UNKNOWN, // 58 IM_UNKNOWN, // 59 |