ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

microblaze: Make the MSR PVR bit non writable 

Instead of hardcoding it to 1.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
This commit is contained in:
Edgar E. Iglesias 2011-08-25 16:41:18 +10:00 committed by Edgar E. Iglesias
parent 01e0451a08
commit 97b833c5df
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
target-microblaze/translate.c
View File

@ -424,10 +424,15 @@ static inline void msr_read(DisasContext *dc, TCGv d)
static inline void msr_write(DisasContext *dc, TCGv v) static inline void msr_write(DisasContext *dc, TCGv v)
{ {
TCGv t;
t = tcg_temp_new();
dc->cpustate_changed = 1; dc->cpustate_changed = 1;
tcg_gen_mov_tl(cpu_SR[SR_MSR], v); /* PVR bit is not writable. */
/* PVR, we have a processor version register. */ tcg_gen_andi_tl(t, v, ~(1 << 10));
tcg_gen_ori_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR], (1 << 10)); tcg_gen_andi_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR], (1 << 10));
tcg_gen_or_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR], v);
tcg_temp_free(t);
} }
static void dec_msr(DisasContext *dc) static void dec_msr(DisasContext *dc)