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| author | Wesley W. Terpstra <wesley@sifive.com> | 2018-03-05 14:59:44 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-03-05 14:59:44 -0800 |
| commit | 2bbd8e1a1bccae13ec87882baf423abfc6ef76fd (patch) | |
| tree | 95453fbde3440dc2dbc67ba55fc0a9da7fd2555b /machine/mtrap.h | |
| parent | e5846a2bc707eaa58dc8ab6a8d20a090c6ee8570 (diff) | |
| download | pk-2bbd8e1a1bccae13ec87882baf423abfc6ef76fd.zip pk-2bbd8e1a1bccae13ec87882baf423abfc6ef76fd.tar.gz pk-2bbd8e1a1bccae13ec87882baf423abfc6ef76fd.tar.bz2 | |
mtrap: add a halt IPI used for poweroff (#86)
Otherwise, linux complains the moment an interrupt arrives and
wakes up one of the not-looping cores.
Diffstat (limited to 'machine/mtrap.h')
| -rw-r--r-- | machine/mtrap.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/machine/mtrap.h b/machine/mtrap.h index eafdb14..c4d43d0 100644 --- a/machine/mtrap.h +++ b/machine/mtrap.h @@ -78,6 +78,7 @@ static inline void wfi() #define IPI_SOFT 0x1 #define IPI_FENCE_I 0x2 #define IPI_SFENCE_VMA 0x4 +#define IPI_HALT 0x8 #define MACHINE_STACK_SIZE RISCV_PGSIZE #define MENTRY_HLS_OFFSET (INTEGER_CONTEXT_SIZE + SOFT_FLOAT_CONTEXT_SIZE) |