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| author | xiubuzhe <xiubuzhe@sina.com> | 2023-10-08 20:59:00 +0800 |
|---|---|---|
| committer | xiubuzhe <xiubuzhe@sina.com> | 2023-10-08 20:59:00 +0800 |
| commit | 1dac2263372df2b85db5d029a45721fa158a5c9d (patch) | |
| tree | 0365f9c57df04178a726d7584ca6a6b955a7ce6a /lib/greenlet/platform/switch_riscv_unix.h | |
| parent | b494be364bb39e1de128ada7dc576a729d99907e (diff) | |
| download | sunhpc-1dac2263372df2b85db5d029a45721fa158a5c9d.tar.gz sunhpc-1dac2263372df2b85db5d029a45721fa158a5c9d.tar.bz2 sunhpc-1dac2263372df2b85db5d029a45721fa158a5c9d.zip | |
first add files
Diffstat (limited to 'lib/greenlet/platform/switch_riscv_unix.h')
| -rw-r--r-- | lib/greenlet/platform/switch_riscv_unix.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/greenlet/platform/switch_riscv_unix.h b/lib/greenlet/platform/switch_riscv_unix.h new file mode 100644 index 0000000..5b5ea98 --- /dev/null +++ b/lib/greenlet/platform/switch_riscv_unix.h @@ -0,0 +1,32 @@ +#define STACK_REFPLUS 1 + +#ifdef SLP_EVAL +#define STACK_MAGIC 0 + +#define REGS_TO_SAVE "s0", "s1", "s2", "s3", "s4", "s5", \ + "s6", "s7", "s8", "s9", "s10", "s11", "fs0", "fs1", \ + "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", \ + "fs10", "fs11" + +static int +slp_switch(void) +{ + register int ret; + register long *stackref, stsizediff; + __asm__ volatile ("" : : : REGS_TO_SAVE); + __asm__ volatile ("mv %0, sp" : "=r" (stackref) : ); + { + SLP_SAVE_STATE(stackref, stsizediff); + __asm__ volatile ( + "add sp, sp, %0\n\t" + : /* no outputs */ + : "r" (stsizediff) + ); + SLP_RESTORE_STATE(); + } + __asm__ volatile ("" : : : REGS_TO_SAVE); + __asm__ volatile ("mv %0, zero" : "=r" (ret) : ); + return ret; +} + +#endif |