OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target-alpha: Convert opcode 0x1B to source/sink

Browse Source 
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-19 00:22:50 -07:00
parent 8f56ced8aa
commit 1eaa1da7e4
1 changed files with 13 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
target-alpha/translate.c
View File

@ -2755,39 +2755,33 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
}
ret = EXIT_PC_UPDATED;
break;
case 0x1B:
/* HW_LD (PALcode) */
#ifndef CONFIG_USER_ONLY
REQUIRE_TB_FLAG(TB_FLAGS_PAL_MODE);
{
TCGv addr;
TCGv addr = tcg_temp_new();
vb = load_gpr(ctx, rb);
va = dest_gpr(ctx, ra);
if (ra == 31) {
break;
}
addr = tcg_temp_new();
if (rb != 31) {
tcg_gen_addi_i64(addr, cpu_ir[rb], disp12);
} else {
tcg_gen_movi_i64(addr, disp12);
}
tcg_gen_addi_i64(addr, vb, disp12);
switch ((insn >> 12) & 0xF) {
case 0x0:
/* Longword physical access (hw_ldl/p) */
gen_helper_ldl_phys(cpu_ir[ra], cpu_env, addr);
gen_helper_ldl_phys(va, cpu_env, addr);
break;
case 0x1:
/* Quadword physical access (hw_ldq/p) */
gen_helper_ldq_phys(cpu_ir[ra], cpu_env, addr);
gen_helper_ldq_phys(va, cpu_env, addr);
break;
case 0x2:
/* Longword physical access with lock (hw_ldl_l/p) */
gen_helper_ldl_l_phys(cpu_ir[ra], cpu_env, addr);
gen_helper_ldl_l_phys(va, cpu_env, addr);
break;
case 0x3:
/* Quadword physical access with lock (hw_ldq_l/p) */
gen_helper_ldq_l_phys(cpu_ir[ra], cpu_env, addr);
gen_helper_ldq_l_phys(va, cpu_env, addr);
break;
case 0x4:
/* Longword virtual PTE fetch (hw_ldl/v) */
@ -2810,11 +2804,11 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
goto invalid_opc;
case 0xA:
/* Longword virtual access with protection check (hw_ldl/w) */
tcg_gen_qemu_ld_i64(cpu_ir[ra], addr, MMU_KERNEL_IDX, MO_LESL);
tcg_gen_qemu_ld_i64(va, addr, MMU_KERNEL_IDX, MO_LESL);
break;
case 0xB:
/* Quadword virtual access with protection check (hw_ldq/w) */
tcg_gen_qemu_ld_i64(cpu_ir[ra], addr, MMU_KERNEL_IDX, MO_LEQ);
tcg_gen_qemu_ld_i64(va, addr, MMU_KERNEL_IDX, MO_LEQ);
break;
case 0xC:
/* Longword virtual access with alt access mode (hw_ldl/a)*/
@ -2825,12 +2819,12 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
case 0xE:
/* Longword virtual access with alternate access mode and
protection checks (hw_ldl/wa) */
tcg_gen_qemu_ld_i64(cpu_ir[ra], addr, MMU_USER_IDX, MO_LESL);
tcg_gen_qemu_ld_i64(va, addr, MMU_USER_IDX, MO_LESL);
break;
case 0xF:
/* Quadword virtual access with alternate access mode and
protection checks (hw_ldq/wa) */
tcg_gen_qemu_ld_i64(cpu_ir[ra], addr, MMU_USER_IDX, MO_LEQ);
tcg_gen_qemu_ld_i64(va, addr, MMU_USER_IDX, MO_LEQ);
break;
}
tcg_temp_free(addr);