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

target/hppa: Implement LDSID for system mode 

Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20180102203145.GA17059@ls3530.fritz.box>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Helge Deller 2018-01-02 21:31:45 +01:00 committed by Richard Henderson
parent 3f7367e2cc
commit 2330504cee
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
target/hppa/translate.c
View File

@ -2211,8 +2211,20 @@ static DisasJumpType trans_ldsid(DisasContext *ctx, uint32_t insn,
unsigned rt = extract32(insn, 0, 5);
TCGv_reg dest = dest_gpr(ctx, rt);
/* Since we don't implement space registers, this returns zero. */
#ifdef CONFIG_USER_ONLY
/* We don't implement space registers in user mode. */
tcg_gen_movi_reg(dest, 0);
#else
unsigned rb = extract32(insn, 21, 5);
unsigned sp = extract32(insn, 14, 2);
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_mov_i64(t0, space_select(ctx, sp, load_gpr(ctx, rb)));
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_reg(dest, t0);
tcg_temp_free_i64(t0);
#endif
save_gpr(ctx, rt, dest);
cond_free(&ctx->null_cond);