From: Brian Cain <bcain@quicinc.com>

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/translate.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h
index f611c854dc..0eaa3db03e 100644
--- a/target/hexagon/translate.h
+++ b/target/hexagon/translate.h
@@ -39,6 +39,14 @@ typedef struct DisasContext {
     int reg_log_idx;
     DECLARE_BITMAP(regs_written, TOTAL_PER_THREAD_REGS);
     DECLARE_BITMAP(predicated_regs, TOTAL_PER_THREAD_REGS);
+#ifndef CONFIG_USER_ONLY
+    int greg_log[GREG_WRITES_MAX];
+    int greg_log_idx;
+    int sreg_log[SREG_WRITES_MAX];
+    int sreg_log_idx;
+    TCGv t_sreg_new_value[NUM_SREGS];
+    TCGv greg_new_value[NUM_GREGS];
+#endif
     int preg_log[PRED_WRITES_MAX];
     int preg_log_idx;
     DECLARE_BITMAP(pregs_written, NUM_PREGS);
@@ -79,6 +87,34 @@ typedef struct DisasContext {
 
 bool is_gather_store_insn(DisasContext *ctx);
 
+#ifndef CONFIG_USER_ONLY
+static inline void ctx_log_greg_write(DisasContext *ctx, int rnum)
+{
+    if (rnum <= HEX_GREG_G3) {
+        ctx->greg_log[ctx->greg_log_idx] = rnum;
+        ctx->greg_log_idx++;
+    }
+}
+
+static inline void ctx_log_greg_write_pair(DisasContext *ctx, int rnum)
+{
+    ctx_log_greg_write(ctx, rnum);
+    ctx_log_greg_write(ctx, rnum + 1);
+}
+
+static inline void ctx_log_sreg_write(DisasContext *ctx, int rnum)
+{
+    ctx->sreg_log[ctx->sreg_log_idx] = rnum;
+    ctx->sreg_log_idx++;
+}
+
+static inline void ctx_log_sreg_write_pair(DisasContext *ctx, int rnum)
+{
+    ctx_log_sreg_write(ctx, rnum);
+    ctx_log_sreg_write(ctx, rnum + 1);
+}
+#endif
+
 static inline void ctx_log_pred_write(DisasContext *ctx, int pnum)
 {
     if (!test_bit(pnum, ctx->pregs_written)) {
-- 
2.34.1

> -----Original Message-----
> From: Brian Cain <brian.cain@oss.qualcomm.com>
> Sent: Friday, February 28, 2025 11:26 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 11/38] target/hexagon: Add guest/sys reg writes to
> DisasContext
> 
> From: Brian Cain <bcain@quicinc.com>
> 
> Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>

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