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target/hppa: Implement LDWA 

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-11-05 10:23:48 +01:00
parent 63300a00ab
commit d0a851cc50
1 changed files with 38 additions and 0 deletions
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38
target/hppa/translate.c
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@ -2954,12 +2954,50 @@ static DisasJumpType trans_stby(DisasContext *ctx, uint32_t insn,
return nullify_end(ctx, DISAS_NEXT);
}
#ifndef CONFIG_USER_ONLY
static DisasJumpType trans_ldwa_idx_i(DisasContext *ctx, uint32_t insn,
const DisasInsn *di)
{
int hold_mmu_idx = ctx->mmu_idx;
DisasJumpType ret;
CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
/* ??? needs fixing for hppa64 -- ldda does not follow the same
format wrt the sub-opcode in bits 6:9. */
ctx->mmu_idx = MMU_PHYS_IDX;
ret = trans_ld_idx_i(ctx, insn, di);
ctx->mmu_idx = hold_mmu_idx;
return ret;
}
static DisasJumpType trans_ldwa_idx_x(DisasContext *ctx, uint32_t insn,
const DisasInsn *di)
{
int hold_mmu_idx = ctx->mmu_idx;
DisasJumpType ret;
CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
/* ??? needs fixing for hppa64 -- ldda does not follow the same
format wrt the sub-opcode in bits 6:9. */
ctx->mmu_idx = MMU_PHYS_IDX;
ret = trans_ld_idx_x(ctx, insn, di);
ctx->mmu_idx = hold_mmu_idx;
return ret;
}
#endif
static const DisasInsn table_index_mem[] = {
{ 0x0c001000u, 0xfc001300, trans_ld_idx_i }, /* LD[BHWD], im */
{ 0x0c000000u, 0xfc001300, trans_ld_idx_x }, /* LD[BHWD], rx */
{ 0x0c001200u, 0xfc001300, trans_st_idx_i }, /* ST[BHWD] */
{ 0x0c0001c0u, 0xfc0003c0, trans_ldcw },
{ 0x0c001300u, 0xfc0013c0, trans_stby },
#ifndef CONFIG_USER_ONLY
{ 0x0c001180u, 0xfc00d3c0, trans_ldwa_idx_i }, /* LDWA, im */
{ 0x0c000180u, 0xfc00d3c0, trans_ldwa_idx_x }, /* LDWA, rx */
#endif
};
static DisasJumpType trans_ldil(DisasContext *ctx, uint32_t insn)