On 27/2/26 21:35, Brian Cain wrote:
From: Brian Cain <[email protected]>
Reviewed-by: Taylor Simpson <[email protected]>
Signed-off-by: Brian Cain <[email protected]>
---
target/hexagon/cpu.h | 1 +
linux-user/hexagon/cpu_loop.c | 16 +++++++++++++++
target/hexagon/cpu.c | 1 +
target/hexagon/translate.c | 8 ++++++++
target/hexagon/gen_tcg_funcs.py | 35 +++++++++++++++++++++------------
5 files changed, 48 insertions(+), 13 deletions(-)
diff --git a/linux-user/hexagon/cpu_loop.c b/linux-user/hexagon/cpu_loop.c
index 5711055aff2..b63990663ab 100644
--- a/linux-user/hexagon/cpu_loop.c
+++ b/linux-user/hexagon/cpu_loop.c
@@ -22,6 +22,7 @@
#include "qemu.h"
#include "user-internals.h"
#include "user/cpu_loop.h"
+#include "target/hexagon/internal.h"
#include "signal-common.h"
#include "internal.h"
@@ -60,6 +61,21 @@ void cpu_loop(CPUHexagonState *env)
env->gpr[0] = ret;
}
break;
+ case HEX_EVENT_PRECISE:
+ switch (env->cause_code) {
+ case HEX_CAUSE_PRIV_USER_NO_GINSN:
+ case HEX_CAUSE_PRIV_USER_NO_SINSN:
+ case HEX_CAUSE_INVALID_PACKET:
+ force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC,
+ env->gpr[HEX_REG_PC]);
+ break;
+ default:
+ EXCP_DUMP(env, "\nqemu: unhandled CPU precise exception "
+ "cause code 0x%x - aborting\n",
+ env->cause_code);
+ exit(EXIT_FAILURE);
+ }
+ break;
Just a comment (not blocking anything), I'm confused here because the
series is about system emulation but you add code to user emulation.
