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authorsigsegv7 <ian@osmora.org>2023-11-12 00:16:24 -0500
committersigsegv7 <ian@osmora.org>2023-11-12 00:16:24 -0500
commitf53ac3212fe8f07c99aef348e754aa8ab00081dc (patch)
tree4f3c5ab942e900bb11e8cce4825061946d278b44 /sys/include/arch/amd64
parentc4c3d0e5479f0415fcc21eeedcecfe745ee17dc4 (diff)
kernel/amd64: lapic: Remove ESR support
ESR support should be added later on; there is no need for it as of now... Signed-off-by: sigsegv7 <ian@osmora.org>
Diffstat (limited to 'sys/include/arch/amd64')
-rw-r--r--sys/include/arch/amd64/lapicvar.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/sys/include/arch/amd64/lapicvar.h b/sys/include/arch/amd64/lapicvar.h
index 2ad1a09..6edbeb5 100644
--- a/sys/include/arch/amd64/lapicvar.h
+++ b/sys/include/arch/amd64/lapicvar.h
@@ -91,10 +91,17 @@
/* LVT bits */
#define LAPIC_LVT_MASK __BIT(16)
-/* Possible error bits within ESR */
-#define ESR_REDIR_IPI __BIT(4) /* Redirectible IPI */
-#define ESR_SIV __BIT(5) /* Send Illegal Vector */
-#define ESR_RIV __BIT(6) /* Received Illegal Vector */
-#define ESR_IRA __BIT(7) /* Illegal Register Address */
+/*
+ * Local APIC Interrupt stack [IST VALUE].
+ *
+ * This value should be non-zero and reserved
+ * for only 1 interrupt vector to prevent clobbering
+ * of the interrupt stacks.
+ *
+ * XXX TODO: The value is correctly 0, however, this needs
+ * to be updated to a non-zero value as soon as
+ * possible.
+ */
+#define LAPIC_TMR_INTSTACK 0
#endif /* !_AMD64_LAPICVAR_H_ */