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author | Ian Moffett <ian@osmora.org> | 2024-06-24 23:00:41 -0400 |
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committer | Ian Moffett <ian@osmora.org> | 2024-06-24 23:00:41 -0400 |
commit | 963478ff0ad358fc3a44ff5dba0c64ddc889f296 (patch) | |
tree | a14c3ea6feb7d1b783364737fcefabce249473ff /sys/include/arch/amd64/ioapicvar.h | |
parent | 236963e7563be3e3f8220dac7bb4af446928e194 (diff) | |
parent | 6f6a36d1e8b3dd50cb4d394fa1de4888663b4ea5 (diff) |
Import hyra expt
Diffstat (limited to 'sys/include/arch/amd64/ioapicvar.h')
-rw-r--r-- | sys/include/arch/amd64/ioapicvar.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/ioapicvar.h b/sys/include/arch/amd64/ioapicvar.h new file mode 100644 index 0000000..d5a75df --- /dev/null +++ b/sys/include/arch/amd64/ioapicvar.h @@ -0,0 +1,28 @@ +#ifndef _MACHINE_IOAPICVAR_H_ +#define _MACHINE_IOAPICVAR_H_ + +#include <sys/types.h> + +/* Register offsets */ +#define IOREGSEL 0x00 +#define IOWIN 0x10 +#define IOAPICVER 0x01 +#define IOREDTBL 0x10 + +union ioapic_redentry { + struct { + uint8_t vector; + uint8_t delmod : 3; + uint8_t destmod : 1; + uint8_t delivs : 1; + uint8_t intpol : 1; + uint8_t remote_irr : 1; + uint8_t trigger_mode : 1; + uint8_t interrupt_mask : 1; + uint64_t reserved : 39; + uint8_t dest_field; + }; + uint64_t value; +}; + +#endif /* !_MACHINE_IOAPICVAR_H_ */ |