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authorIan Moffett <ian@osmora.org>2024-06-24 23:00:41 -0400
committerIan Moffett <ian@osmora.org>2024-06-24 23:00:41 -0400
commit963478ff0ad358fc3a44ff5dba0c64ddc889f296 (patch)
treea14c3ea6feb7d1b783364737fcefabce249473ff /sys/include/arch/amd64/ioapicvar.h
parent236963e7563be3e3f8220dac7bb4af446928e194 (diff)
parent6f6a36d1e8b3dd50cb4d394fa1de4888663b4ea5 (diff)
Import hyra expt
Diffstat (limited to 'sys/include/arch/amd64/ioapicvar.h')
-rw-r--r--sys/include/arch/amd64/ioapicvar.h28
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_ */