From: Brian Cain <bcain@quicinc.com>

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/cpu.h      | 10 ++++++-
 target/hexagon/cpu_bits.h | 55 ++++++++++++++++++++++++++++-----------
 2 files changed, 49 insertions(+), 16 deletions(-)

diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h
index 7e2ea838c5..dabee310c5 100644
--- a/target/hexagon/cpu.h
+++ b/target/hexagon/cpu.h
@@ -67,6 +67,15 @@ typedef struct CPUHexagonTLBContext CPUHexagonTLBContext;
 #define MMU_GUEST_IDX        1
 #define MMU_KERNEL_IDX       2
 
+#define HEXAGON_CPU_IRQ_0 0
+#define HEXAGON_CPU_IRQ_1 1
+#define HEXAGON_CPU_IRQ_2 2
+#define HEXAGON_CPU_IRQ_3 3
+#define HEXAGON_CPU_IRQ_4 4
+#define HEXAGON_CPU_IRQ_5 5
+#define HEXAGON_CPU_IRQ_6 6
+#define HEXAGON_CPU_IRQ_7 7
+
 typedef enum {
     HEX_LOCK_UNLOCKED       = 0,
     HEX_LOCK_WAITING        = 1,
@@ -75,7 +84,6 @@ typedef enum {
 } hex_lock_state_t;
 #endif
 
-
 #define CPU_RESOLVING_TYPE TYPE_HEXAGON_CPU
 
 typedef struct {
diff --git a/target/hexagon/cpu_bits.h b/target/hexagon/cpu_bits.h
index 610094a759..c7cc426ec8 100644
--- a/target/hexagon/cpu_bits.h
+++ b/target/hexagon/cpu_bits.h
@@ -24,14 +24,16 @@
 #define PCALIGN_MASK (PCALIGN - 1)
 
 enum hex_event {
-    HEX_EVENT_NONE           = -1,
-    HEX_EVENT_TRAP0          =  0x008,
-    HEX_EVENT_FETCH_NO_UPAGE =  0x012,
-    HEX_EVENT_INVALID_PACKET =  0x015,
-    HEX_EVENT_INVALID_OPCODE =  0x015,
-    HEX_EVENT_PC_NOT_ALIGNED =  0x01e,
-    HEX_EVENT_PRIV_NO_UREAD  =  0x024,
-    HEX_EVENT_PRIV_NO_UWRITE =  0x025,
+    HEX_EVENT_NONE = -1,
+    HEX_EVENT_RESET = 0x0,
+    HEX_EVENT_IMPRECISE = 0x1,
+    HEX_EVENT_PRECISE = 0x2,
+    HEX_EVENT_TLB_MISS_X = 0x4,
+    HEX_EVENT_TLB_MISS_RW = 0x6,
+    HEX_EVENT_TRAP0 = 0x8,
+    HEX_EVENT_TRAP1 = 0x9,
+    HEX_EVENT_FPTRAP = 0xb,
+    HEX_EVENT_DEBUG = 0xc,
     HEX_EVENT_INT0 = 0x10,
     HEX_EVENT_INT1 = 0x11,
     HEX_EVENT_INT2 = 0x12,
@@ -53,15 +55,38 @@ enum hex_event {
 enum hex_cause {
     HEX_CAUSE_NONE = -1,
     HEX_CAUSE_RESET = 0x000,
-    HEX_CAUSE_TRAP0 = 0x172,
-    HEX_CAUSE_FETCH_NO_UPAGE =  0x012,
-    HEX_CAUSE_INVALID_PACKET =  0x015,
-    HEX_CAUSE_INVALID_OPCODE =  0x015,
-    HEX_CAUSE_PC_NOT_ALIGNED =  0x01e,
-    HEX_CAUSE_PRIV_NO_UREAD  =  0x024,
-    HEX_CAUSE_PRIV_NO_UWRITE =  0x025,
+    HEX_CAUSE_BIU_PRECISE = 0x001,
+    HEX_CAUSE_UNSUPORTED_HVX_64B = 0x002, /* QEMU-specific */
+    HEX_CAUSE_DOUBLE_EXCEPT = 0x003,
+    HEX_CAUSE_TRAP0 = 0x008,
+    HEX_CAUSE_TRAP1 = 0x009,
+    HEX_CAUSE_FETCH_NO_XPAGE = 0x011,
+    HEX_CAUSE_FETCH_NO_UPAGE = 0x012,
+    HEX_CAUSE_INVALID_PACKET = 0x015,
+    HEX_CAUSE_INVALID_OPCODE = 0x015,
+    HEX_CAUSE_NO_COPROC_ENABLE = 0x016,
+    HEX_CAUSE_NO_COPROC2_ENABLE = 0x018,
     HEX_CAUSE_PRIV_USER_NO_GINSN = 0x01a,
     HEX_CAUSE_PRIV_USER_NO_SINSN = 0x01b,
+    HEX_CAUSE_REG_WRITE_CONFLICT = 0x01d,
+    HEX_CAUSE_PC_NOT_ALIGNED = 0x01e,
+    HEX_CAUSE_MISALIGNED_LOAD = 0x020,
+    HEX_CAUSE_MISALIGNED_STORE = 0x021,
+    HEX_CAUSE_PRIV_NO_READ = 0x022,
+    HEX_CAUSE_PRIV_NO_WRITE = 0x023,
+    HEX_CAUSE_PRIV_NO_UREAD = 0x024,
+    HEX_CAUSE_PRIV_NO_UWRITE = 0x025,
+    HEX_CAUSE_COPROC_LDST = 0x026,
+    HEX_CAUSE_STACK_LIMIT = 0x027,
+    HEX_CAUSE_VWCTRL_WINDOW_MISS = 0x029,
+    HEX_CAUSE_IMPRECISE_NMI = 0x043,
+    HEX_CAUSE_IMPRECISE_MULTI_TLB_MATCH = 0x044,
+    HEX_CAUSE_TLBMISSX_CAUSE_NORMAL = 0x060,
+    HEX_CAUSE_TLBMISSX_CAUSE_NEXTPAGE = 0x061,
+    HEX_CAUSE_TLBMISSRW_CAUSE_READ = 0x070,
+    HEX_CAUSE_TLBMISSRW_CAUSE_WRITE = 0x071,
+    HEX_CAUSE_DEBUG_SINGLESTEP = 0x80,
+    HEX_CAUSE_FPTRAP_CAUSE_BADFLOAT = 0x0bf,
     HEX_CAUSE_INT0 = 0x0c0,
     HEX_CAUSE_INT1 = 0x0c1,
     HEX_CAUSE_INT2 = 0x0c2,
-- 
2.34.1

> -----Original Message-----
> From: Brian Cain <brian.cain@oss.qualcomm.com>
> Sent: Friday, February 28, 2025 11:28 PM
> To: qemu-devel@nongnu.org
> Cc: brian.cain@oss.qualcomm.com; richard.henderson@linaro.org;
> philmd@linaro.org; quic_mathbern@quicinc.com; ale@rev.ng; anjo@rev.ng;
> quic_mliebel@quicinc.com; ltaylorsimpson@gmail.com;
> alex.bennee@linaro.org; quic_mburton@quicinc.com;
> sidneym@quicinc.com; Brian Cain <bcain@quicinc.com>
> Subject: [PATCH 14/39] target/hexagon: Add system event, cause codes
> 
> From: Brian Cain <bcain@quicinc.com>
> 
> Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>

Reviewed-by: Taylor Simpson <ltaylorsimpson@gmail.com>