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[Qemu-devel] [PATCH 1/7] target-xtensa: mask out undefined bits of WINDO
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH 1/7] target-xtensa: mask out undefined bits of WINDOWBASE SR |
Date: |
Tue, 1 Nov 2011 02:17:26 +0400 |
According to ISA, table 5-156, bits 32:NAREG/4 of the WINDOWSTART SR
must be zero.
Signed-off-by: Max Filippov <address@hidden>
---
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
- [Qemu-devel] [PULL 0/7] target-xtensa patches for 1.0, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 2/7] target-xtensa: handle cache options in the overlay tool, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 1/7] target-xtensa: mask out undefined bits of WINDOWBASE SR,
Max Filippov <=
- [Qemu-devel] [PATCH 1/3] xtensa_lx60: add FLASH support, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 2/3] xtensa_lx60: pass kernel arguments from -append, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 3/3] xtensa_lx60: fix build date code and change memory region names, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 4/7] opencores_eth: fix RX path: FCS, padding and TL, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 3/7] target-xtensa: raise an exception for invalid and reserved opcodes, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 6/7] xtensa_lx60: pass kernel arguments from -append, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 7/7] xtensa_lx60: fix build date code and change memory region names, Max Filippov, 2011/10/31
- [Qemu-devel] [PATCH 5/7] xtensa_lx60: add FLASH support, Max Filippov, 2011/10/31
- Re: [Qemu-devel] [PULL 0/7] target-xtensa patches for 1.0, Max Filippov, 2011/10/31