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Fix glibc 2.27 for hppa-linux-user

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Merge remote-tracking branch 'remotes/rth/tags/pull-hppa-20180327' into staging

Fix glibc 2.27 for hppa-linux-user

# gpg: Signature made Mon 26 Mar 2018 17:48:19 BST
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-hppa-20180327:
  target/hppa: Include priv level in user-only iaoq

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-03-27 11:54:24 +01:00
commit 78a0f82bf7
2 changed files with 6 additions and 10 deletions
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4
target/hppa/cpu.h
View File

@ -305,8 +305,8 @@ static inline void cpu_get_tb_cpu_state(CPUHPPAState *env, target_ulong *pc,
incomplete virtual address. This also means that we must separate
out current cpu priviledge from the low bits of IAOQ_F. */
#ifdef CONFIG_USER_ONLY
*pc = env->iaoq_f;
*cs_base = env->iaoq_b;
*pc = env->iaoq_f & -4;
*cs_base = env->iaoq_b & -4;
#else
/* ??? E, T, H, L, B, P bits need to be here, when implemented. */
flags |= env->psw & (PSW_W | PSW_C | PSW_D);

12
target/hppa/translate.c
View File

@ -1909,9 +1909,6 @@ static DisasJumpType do_ibranch(DisasContext *ctx, TCGv_reg dest,
*/
static TCGv_reg do_ibranch_priv(DisasContext *ctx, TCGv_reg offset)
{
#ifdef CONFIG_USER_ONLY
return offset;
#else
TCGv_reg dest;
switch (ctx->privilege) {
case 0:
@ -1931,7 +1928,6 @@ static TCGv_reg do_ibranch_priv(DisasContext *ctx, TCGv_reg offset)
break;
}
return dest;
#endif
}
#ifdef CONFIG_USER_ONLY
@ -1967,7 +1963,7 @@ static DisasJumpType do_page_zero(DisasContext *ctx)
goto do_sigill;
}
switch (ctx->iaoq_f) {
switch (ctx->iaoq_f & -4) {
case 0x00: /* Null pointer call */
gen_excp_1(EXCP_IMP);
return DISAS_NORETURN;
@ -1978,7 +1974,7 @@ static DisasJumpType do_page_zero(DisasContext *ctx)
case 0xe0: /* SET_THREAD_POINTER */
tcg_gen_st_reg(cpu_gr[26], cpu_env, offsetof(CPUHPPAState, cr[27]));
tcg_gen_mov_reg(cpu_iaoq_f, cpu_gr[31]);
tcg_gen_ori_reg(cpu_iaoq_f, cpu_gr[31], 3);
tcg_gen_addi_reg(cpu_iaoq_b, cpu_iaoq_f, 4);
return DISAS_IAQ_N_UPDATED;
@ -4697,8 +4693,8 @@ static int hppa_tr_init_disas_context(DisasContextBase *dcbase,
#ifdef CONFIG_USER_ONLY
ctx->privilege = MMU_USER_IDX;
ctx->mmu_idx = MMU_USER_IDX;
ctx->iaoq_f = ctx->base.pc_first;
ctx->iaoq_b = ctx->base.tb->cs_base;
ctx->iaoq_f = ctx->base.pc_first | MMU_USER_IDX;
ctx->iaoq_b = ctx->base.tb->cs_base | MMU_USER_IDX;
#else
ctx->privilege = (ctx->tb_flags >> TB_FLAG_PRIV_SHIFT) & 3;
ctx->mmu_idx = (ctx->tb_flags & PSW_D ? ctx->privilege : MMU_PHYS_IDX);