summaryrefslogtreecommitdiff
path: root/usr.bin/oasm/parse.c
AgeCommit message (Collapse)Author
3 daysoasm: parse: Remove unused stubIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
4 daysoasm: Add initial support for labelsIan Moffett
A label is like a pin on a map with a number attached to it. OASM keeps track of a number referred to as the psuedo instruction pointer (PIP). This value is initially zero by default and is incremented every instruction. The purpose of this value is to pin a location in the code and mark it to be at a specific address so that further references to that label would be translated to the previous PIP value at the time of encountering the label. Signed-off-by: Ian Moffett <ian@osmora.org>
4 daysoasm: parse: Use oasm_err instead of printf()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
5 daysoasm: Add encoding for BR instructionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
5 daysoasm: Add encoding logic for "DIV" instructionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
5 daysoasm: Introduce encoding for MUL instructionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
5 daysoasm: 'osxm64' -> 'osmx64'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
5 daysoasm: Add encoding logic for "SUB" instructionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
6 daysoasm: Parse and encode the "HLT" instructionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
6 daysoasm: Implement encoding for 'ADD' instructionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
6 daysoasm: parse: Add TT_INC to parse_tok()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
6 daysoasm: Add initial codegen emit sourcesIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
6 daysoasm: parse: Add tok_is_xreg() helperIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 daysusr: oasm: Add initial parsing logicIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 daysusr: oasm: Add IMM tokstr entryIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 daysusr: Add initial "oasm" assembler workIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>