diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2020-08-19 16:12:12 -0700 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2020-09-01 07:41:38 -0700 |
commit | 2c32179f39278ebc975c3d08710bb22672911889 (patch) | |
tree | 36abf62ac6708a3d2a0d2cd6bb79597d10ec4604 /target/microblaze | |
parent | 3986c650a25e645a2b39795e5004d7e0e1c7b8b1 (diff) |
target/microblaze: Replace MSR_EE_FLAG with MSR_EE
There's no reason to define MSR_EE_FLAG; we can just use the
original MSR_EE define. Document the other flags copied into
tb_flags with iflag to reserve those bits.
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/microblaze')
-rw-r--r-- | target/microblaze/cpu.h | 4 | ||||
-rw-r--r-- | target/microblaze/translate.c | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h index 013858b8e0..594501e4e7 100644 --- a/target/microblaze/cpu.h +++ b/target/microblaze/cpu.h @@ -254,7 +254,9 @@ struct CPUMBState { /* Internal flags. */ #define IMM_FLAG 4 -#define MSR_EE_FLAG (1 << 8) +/* MSR_EE (1 << 8) */ +/* MSR_UM (1 << 11) */ +/* MSR_VM (1 << 13) */ #define DRTI_FLAG (1 << 16) #define DRTE_FLAG (1 << 17) #define DRTB_FLAG (1 << 18) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 72541905ec..1f6731e0af 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -162,7 +162,7 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) */ static bool trap_illegal(DisasContext *dc, bool cond) { - if (cond && (dc->tb_flags & MSR_EE_FLAG) + if (cond && (dc->tb_flags & MSR_EE) && dc->cpu->cfg.illegal_opcode_exception) { gen_raise_hw_excp(dc, ESR_EC_ILLEGAL_OP); } @@ -178,7 +178,7 @@ static bool trap_userspace(DisasContext *dc, bool cond) int mem_index = cpu_mmu_index(&dc->cpu->env, false); bool cond_user = cond && mem_index == MMU_USER_IDX; - if (cond_user && (dc->tb_flags & MSR_EE_FLAG)) { + if (cond_user && (dc->tb_flags & MSR_EE)) { gen_raise_hw_excp(dc, ESR_EC_PRIVINSN); } return cond_user; |