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[kvm-unit-tests,v5,2/5] riscv: Update exception cause list

Message ID 20240728165022.30075-3-jamestiotio@gmail.com (mailing list archive)
State New, archived
Headers show
Series riscv: sbi: Add support to test timer extension | expand

Commit Message

James Raphael Tiovalen July 28, 2024, 4:50 p.m. UTC 
Update the list of exception and interrupt causes to follow the latest
RISC-V privileged ISA specification (version 20240411 section 18.6.1).

Reviewed-by: Andrew Jones <andrew.jones@linux.dev>
Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com>
---
 lib/riscv/asm/csr.h       | 10 ++++++++++
 lib/riscv/asm/processor.h |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)
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Patch

diff --git a/lib/riscv/asm/csr.h b/lib/riscv/asm/csr.h
index d6909d93..ba810c9f 100644
--- a/lib/riscv/asm/csr.h
+++ b/lib/riscv/asm/csr.h
@@ -36,6 +36,16 @@ 
 #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_S_TIMER		5
+#define IRQ_VS_TIMER		6
+#define IRQ_S_EXT		9
+#define IRQ_VS_EXT		10
+#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 *);