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| author | Clifford Wolf <clifford@clifford.at> | 2015-06-28 02:10:45 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2015-06-28 02:10:45 +0200 |
| commit | 818faffe25190fdc2f1a4e1c018724289a370fe0 (patch) | |
| tree | bfdaf461c0626df218238aafb10269d91277319e /firmware/custom_ops.S | |
| parent | 792baeabcff0de1a3cd8f0c59ea061f81a9458e5 (diff) | |
| download | picorv32-818faffe25190fdc2f1a4e1c018724289a370fe0.tar.gz picorv32-818faffe25190fdc2f1a4e1c018724289a370fe0.zip | |
Improved IRQ documentation, added assembler macros
Diffstat (limited to 'firmware/custom_ops.S')
| -rw-r--r-- | firmware/custom_ops.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/firmware/custom_ops.S b/firmware/custom_ops.S new file mode 100644 index 0000000..b5ea7ba --- /dev/null +++ b/firmware/custom_ops.S @@ -0,0 +1,36 @@ +// This is free and unencumbered software released into the public domain. +// +// Anyone is free to copy, modify, publish, use, compile, sell, or +// distribute this software, either in source code form or as a compiled +// binary, for any purpose, commercial or non-commercial, and by any +// means. + +#define q0 0 +#define q1 1 +#define q2 2 +#define q3 3 + +.macro getq rd qs +custom0 \rd,\qs,0,0 +.endm + +.macro setq qd rs +custom0 \qd,\rs,0,1 +.endm + +.macro retirq +custom0 0,0,0,2 +.endm + +.macro maskirq rd rs +custom0 \rd,\rs,0,3 +.endm + +.macro waitirq rd +custom0 \rd,0,0,4 +.endm + +.macro timer rd rs +custom0 \rd,\rs,0,5 +.endm + |