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This patch fixes processing of rfi instructions in icount mode. 

In this mode writing to interrupt/peripheral state is controlled
by can_do_io flag. This flag must be set explicitly before helper
function invocation.

Signed-off-by: Maria Klimushenkova <maria.klimushenkova@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Maria Klimushenkova 2018-10-30 15:21:34 +03:00 committed by David Gibson
parent 09a333ee3d
commit a59d628f92
1 changed files with 12 additions and 0 deletions
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12
target/ppc/translate.c
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@ -3919,9 +3919,15 @@ static void gen_rfi(DisasContext *ctx)
}
/* Restore CPU state */
CHK_SV;
if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
}
gen_update_cfar(ctx, ctx->base.pc_next - 4);
gen_helper_rfi(cpu_env);
gen_sync_exception(ctx);
if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
}
#endif
}
@ -3933,9 +3939,15 @@ static void gen_rfid(DisasContext *ctx)
#else
/* Restore CPU state */
CHK_SV;
if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
}
gen_update_cfar(ctx, ctx->base.pc_next - 4);
gen_helper_rfid(cpu_env);
gen_sync_exception(ctx);
if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
}
#endif
}