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| author | Richard Henderson <richard.henderson@linaro.org> | 2017-12-28 17:50:14 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-01-30 10:22:26 -0800 |
| commit | 49c29d6c2e8ce2d3cddf9a92452d1ccb78051517 (patch) | |
| tree | 08f9b4ec746793d61e0b7859f1224746138acfbd /target/hppa/translate.c | |
| parent | 4f5f254808e1e317b407275724df7794a270c5c1 (diff) | |
| download | qemu-49c29d6c2e8ce2d3cddf9a92452d1ccb78051517.tar.gz | |
target/hppa: Implement the interval timer
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa/translate.c')
| -rw-r--r-- | target/hppa/translate.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index d6c65f314b..1cd57f5a90 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2038,6 +2038,7 @@ static DisasJumpType trans_mfctl(DisasContext *ctx, uint32_t insn, unsigned rt = extract32(insn, 0, 5); unsigned ctl = extract32(insn, 21, 5); TCGv_reg tmp; + DisasJumpType ret; switch (ctl) { case CR_SAR: @@ -2056,9 +2057,17 @@ static DisasJumpType trans_mfctl(DisasContext *ctx, uint32_t insn, /* FIXME: Respect PSW_S bit. */ nullify_over(ctx); tmp = dest_gpr(ctx, rt); - tcg_gen_movi_reg(tmp, 0); /* FIXME */ + if (ctx->base.tb->cflags & CF_USE_ICOUNT) { + gen_io_start(); + gen_helper_read_interval_timer(tmp); + gen_io_end(); + ret = DISAS_IAQ_N_STALE; + } else { + gen_helper_read_interval_timer(tmp); + ret = DISAS_NEXT; + } save_gpr(ctx, rt, tmp); - break; + return nullify_end(ctx, ret); case 26: case 27: break; @@ -2132,9 +2141,8 @@ static DisasJumpType trans_mtctl(DisasContext *ctx, uint32_t insn, nullify_over(ctx); switch (ctl) { case CR_IT: - /* ??? modify interval timer offset */ + gen_helper_write_interval_timer(cpu_env, reg); break; - case CR_EIRR: gen_helper_write_eirr(cpu_env, reg); break; |