According to ISA, table 5-156, bits 32:NAREG/4 of the WINDOWSTART SR
must be zero.
Signed-off-by: Max Filippov <jcmvb...@gmail.com>
---
target-xtensa/translate.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 1688bb2..b724d46 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -466,7 +466,7 @@ static void gen_wsr_windowbase(DisasContext *dc, uint32_t
sr, TCGv_i32 v)
static void gen_wsr_windowstart(DisasContext *dc, uint32_t sr, TCGv_i32 v)
{
- tcg_gen_mov_i32(cpu_SR[sr], v);
+ tcg_gen_andi_i32(cpu_SR[sr], v, (1 << dc->config->nareg / 4) - 1);
reset_used_window(dc);
}
--
1.7.6.4
