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| author | bhgv <bhgv.empire@gmail.com> | 2020-05-12 12:50:49 +0300 |
|---|---|---|
| committer | bhgv <bhgv.empire@gmail.com> | 2020-05-12 12:50:49 +0300 |
| commit | 9b5d5f8a4640dbecdc87e5b6e7e95f71018632cf (patch) | |
| tree | d3135c3861ef93ed2523642d3c5f64c7819b7def /emu/FreeRTOS/asm-mips.S | |
| parent | 73c13e732072c17f3e584e11a51d1f7dc8d88e32 (diff) | |
| parent | 31b4edc67b75658ce5e2d41f2fc87331f4b26d49 (diff) | |
Merge branch 'master' of https://github.com/bhgv/Inferno-OS-bhgv
Diffstat (limited to 'emu/FreeRTOS/asm-mips.S')
| -rw-r--r-- | emu/FreeRTOS/asm-mips.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/emu/FreeRTOS/asm-mips.S b/emu/FreeRTOS/asm-mips.S new file mode 100644 index 0000000..d2780f6 --- /dev/null +++ b/emu/FreeRTOS/asm-mips.S @@ -0,0 +1,28 @@ +#include <sys/asm.h> +#include <sys/regdef.h> +#include <asm/cachectl.h> + +LEAF(FPsave) + cfc1 t0, $31 + sw t0, 0(a0) /* a0 is argument */ + j $31 + END(FPsave) + +LEAF(FPrestore) + lw t0, 0(a0) /* a0 is argument */ + ctc1 t0, $31 + j $31 + END(FPrestore) + +LEAF(_tas) + .set noreorder +1: + ll v0,0(a0) /* a0 is argument */ + or t1, v0, 1 + sc t1,0(a0) + beq t1,zero,1b + nop + j $31 /* lock held */ + nop + .set reorder + END(_tas) |