[kvm-unit-tests PATCH 2/4] riscv: Update exception cause list
James Raphael Tiovalen
jamestiotio at gmail.com
Tue Jun 18 10:30:51 PDT 2024
Update the list of exception and interrupt causes to follow the latest
RISC-V privileged ISA specification (version 20240411).
Signed-off-by: James Raphael Tiovalen <jamestiotio at gmail.com>
---
lib/riscv/asm/csr.h | 15 +++++++++------
lib/riscv/asm/processor.h | 2 +-
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/lib/riscv/asm/csr.h b/lib/riscv/asm/csr.h
index d5879d2a..c1777744 100644
--- a/lib/riscv/asm/csr.h
+++ b/lib/riscv/asm/csr.h
@@ -26,15 +26,18 @@
#define EXC_STORE_MISALIGNED 6
#define EXC_STORE_ACCESS 7
#define EXC_SYSCALL 8
-#define EXC_HYPERVISOR_SYSCALL 9
-#define EXC_SUPERVISOR_SYSCALL 10
+#define EXC_SUPERVISOR_SYSCALL 9
#define EXC_INST_PAGE_FAULT 12
#define EXC_LOAD_PAGE_FAULT 13
#define EXC_STORE_PAGE_FAULT 15
-#define EXC_INST_GUEST_PAGE_FAULT 20
-#define EXC_LOAD_GUEST_PAGE_FAULT 21
-#define EXC_VIRTUAL_INST_FAULT 22
-#define EXC_STORE_GUEST_PAGE_FAULT 23
+#define EXC_SOFTWARE_CHECK 18
+#define EXC_HARDWARE_ERROR 19
+
+/* Interrupt causes */
+#define IRQ_SUPERVISOR_SOFTWARE 1
+#define IRQ_SUPERVISOR_TIMER 5
+#define IRQ_SUPERVISOR_EXTERNAL 9
+#define IRQ_COUNTER_OVERFLOW 13
#ifndef __ASSEMBLY__
diff --git a/lib/riscv/asm/processor.h b/lib/riscv/asm/processor.h
index 767b1caa..5942ed2e 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 64
#define INTERRUPT_CAUSE_MAX 16
typedef void (*exception_fn)(struct pt_regs *);
--
2.43.0
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