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target-ppc: convert wait instruction to TCG

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5824 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-11-30 16:23:46 +00:00
parent cf02a65c77
commit 931ff27258
3 changed files with 3 additions and 12 deletions
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6
target-ppc/op.c
View File

@ -290,12 +290,6 @@ void OPPROTO op_check_reservation_64 (void)
}
#endif
void OPPROTO op_wait (void)
{
env->halted = 1;
RETURN();
}
/* Return from interrupt */
#if !defined(CONFIG_USER_ONLY)
void OPPROTO op_rfi (void)

5
target-ppc/op_helper.h
View File

@ -85,11 +85,6 @@ void do_POWER_rfsvc (void);
void do_store_hid0_601 (void);
#endif
/* PowerPC 602 specific helper */
#if !defined(CONFIG_USER_ONLY)
void do_op_602_mfrom (void);
#endif
/* PowerPC 440 specific helpers */
#if !defined(CONFIG_USER_ONLY)
void do_440_tlbre (int word);

4
target-ppc/translate.c
View File

@ -3310,8 +3310,10 @@ GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC)
/* wait */
GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT)
{
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_st_i32(t0, cpu_env, offsetof(CPUState, halted));
tcg_temp_free_i32(t0);
/* Stop translation, as the CPU is supposed to sleep from now */
gen_op_wait();
GEN_EXCP(ctx, EXCP_HLT, 1);
}