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| author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-08-20 16:56:48 +0200 |
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| committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-08-20 16:56:48 +0200 |
| commit | e7d5d9c43dc87595a9493ce01053c4fe2944b6bd (patch) | |
| tree | b77c87c62042d3f1c70b63458233356bab3340cc | |
| parent | 7a684802ddfb9a21a9693ba62029349ab43ce1f1 (diff) | |
| download | qtmips-e7d5d9c43dc87595a9493ce01053c4fe2944b6bd.tar.gz qtmips-e7d5d9c43dc87595a9493ce01053c4fe2944b6bd.tar.bz2 qtmips-e7d5d9c43dc87595a9493ce01053c4fe2944b6bd.zip | |
Document new internal assembler directives and possibility to call make.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
| -rw-r--r-- | README.md | 21 |
1 files changed, 17 insertions, 4 deletions
@@ -124,10 +124,23 @@ documentation in the [`docs`](docs) projects subdirectory. Integrated Assembler ------------------- Basic integrated assembler is included in the simulator. It recognizes basic -MIPS instructions and `la` and `li` pseudo instructions. Only `.word` and -assembler `.orig` directives are recognized for now. Addresses are assigned -to labels/symbols which are stored in symbol table. Addition, substraction, -multiplication, divide and bitwise and and or are recognized. +MIPS instructions and `la` and `li` pseudo instructions. Small subset of +[GNU assembler](https://sourceware.org/binutils/docs/as/) directives is recognized as well. +Next directives are recognized: `.word`, `.orig`, `.set`/`.equ`, `.ascii` and `.asciz`. +Some other directives are simply ignored: `.data`, `.text`, `.globl`, `.end` and `.ent`. +This allows to write code which can be compiled by both - integrated and full-featured +assembler. Addresses are assigned to labels/symbols which are stored in symbol table. +Addition, substraction, multiplication, divide and bitwise and and or are recognized. + +Support to call external make utility +------------------------------------- +The action "Build executable by external make" call "make" program. If the +action is invoked and some of source editors selected in main windows +tabs then the "make" is started in the corresponding directory. Else +directory of last selected editor is chosen. If no editor is open then +directory of last loaded ELF executable are used as "make" start path. +If even that is not an option then default directory when the emulator +has been started is used. Tests ----- |