[kvm-unit-tests PATCH v2 2/3] riscv: Update exception cause list
James Raphael Tiovalen
jamestiotio at gmail.com
Sun Jul 7 03:10:51 PDT 2024
Update the list of exception and interrupt causes to follow the latest
RISC-V privileged ISA specification (version 20240411 section 18.6.1).
Signed-off-by: James Raphael Tiovalen <jamestiotio at gmail.com>
---
lib/riscv/asm/csr.h | 14 ++++++++++++++
lib/riscv/asm/processor.h | 2 +-
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/lib/riscv/asm/csr.h b/lib/riscv/asm/csr.h
index d6909d93..b3c48e8e 100644
--- a/lib/riscv/asm/csr.h
+++ b/lib/riscv/asm/csr.h
@@ -28,6 +28,7 @@
#define EXC_SYSCALL 8
#define EXC_HYPERVISOR_SYSCALL 9
#define EXC_SUPERVISOR_SYSCALL 10
+#define EXC_MACHINE_SYSCALL 11
#define EXC_INST_PAGE_FAULT 12
#define EXC_LOAD_PAGE_FAULT 13
#define EXC_STORE_PAGE_FAULT 15
@@ -36,6 +37,19 @@
#define EXC_VIRTUAL_INST_FAULT 22
#define EXC_STORE_GUEST_PAGE_FAULT 23
+/* Interrupt causes */
+#define IRQ_S_SOFT 1
+#define IRQ_VS_SOFT 2
+#define IRQ_M_SOFT 3
+#define IRQ_S_TIMER 5
+#define IRQ_VS_TIMER 6
+#define IRQ_M_TIMER 7
+#define IRQ_S_EXT 9
+#define IRQ_VS_EXT 10
+#define IRQ_M_EXT 11
+#define IRQ_S_GEXT 12
+#define IRQ_PMU_OVF 13
+
#ifndef __ASSEMBLY__
#define csr_swap(csr, val) \
diff --git a/lib/riscv/asm/processor.h b/lib/riscv/asm/processor.h
index 6451adb5..4c9ad968 100644
--- a/lib/riscv/asm/processor.h
+++ b/lib/riscv/asm/processor.h
@@ -4,7 +4,7 @@
#include <asm/csr.h>
#include <asm/ptrace.h>
-#define EXCEPTION_CAUSE_MAX 16
+#define EXCEPTION_CAUSE_MAX 24
#define INTERRUPT_CAUSE_MAX 16
typedef void (*exception_fn)(struct pt_regs *);
--
2.43.0
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