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Embedded PowerPC Device Control Registers infrastructure.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2653 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
j_mayer 2007-04-12 21:11:03 +00:00
parent 83b1fb88f8
commit 2e719ba347
4 changed files with 117 additions and 7 deletions
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16
target-ppc/op_helper.c
View file

@ -1249,20 +1249,26 @@ void do_load_dcr (void)
{
target_ulong val;
if (unlikely(env->dcr_read == NULL))
if (unlikely(env->dcr_env == NULL)) {
printf("No DCR environment\n");
do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL);
else if (unlikely((*env->dcr_read)(env->dcr_env, T0, &val) != 0))
} else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) {
printf("DCR read error\n");
do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG);
else
} else {
T0 = val;
}
}
void do_store_dcr (void)
{
if (unlikely(env->dcr_write == NULL))
if (unlikely(env->dcr_env == NULL)) {
printf("No DCR environment\n");
do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL);
else if (unlikely((*env->dcr_write)(env->dcr_env, T0, T1) != 0))
} else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) {
printf("DCR write error\n");
do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG);
}
}
void do_load_403_pb (int num)