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HPPA (PA-RISC) host support

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(Stuart Brady)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4199 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-04-12 20:14:54 +00:00
parent 339dea2774
commit f54b3f920f
17 changed files with 4505 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

50
tcg/tcg-dyngen.c
View file

@ -465,10 +465,55 @@ static inline void ia64_apply_fixes (uint8_t **gen_code_pp,
#endif
#ifndef CONFIG_NO_DYNGEN_OP
#if defined __hppa__
struct hppa_branch_stub {
uint32_t *location;
long target;
struct hppa_branch_stub *next;
};
#define HPPA_RECORD_BRANCH(LIST, LOC, TARGET) \
do { \
struct hppa_branch_stub *stub = alloca(sizeof(struct hppa_branch_stub)); \
stub->location = LOC; \
stub->target = TARGET; \
stub->next = LIST; \
LIST = stub; \
} while (0)
static inline void hppa_process_stubs(struct hppa_branch_stub *stub,
uint8_t **gen_code_pp)
{
uint32_t *s = (uint32_t *)*gen_code_pp;
uint32_t *p = s + 1;
if (!stub) return;
for (; stub != NULL; stub = stub->next) {
unsigned long l = (unsigned long)p;
/* stub:
* ldil L'target, %r1
* be,n R'target(%sr4,%r1)
*/
*p++ = 0x20200000 | reassemble_21(lrsel(stub->target, 0));
*p++ = 0xe0202002 | (reassemble_17(rrsel(stub->target, 0) >> 2));
hppa_patch17f(stub->location, l, 0);
}
/* b,l,n stub,%r0 */
*s = 0xe8000002 | reassemble_17((p - s) - 2);
*gen_code_pp = (uint8_t *)p;
}
#endif /* __hppa__ */
const TCGArg *dyngen_op(TCGContext *s, int opc, const TCGArg *opparam_ptr)
{
uint8_t *gen_code_ptr;
#ifdef __hppa__
struct hppa_branch_stub *hppa_stubs = NULL;
#endif
gen_code_ptr = s->code_ptr;
switch(opc) {
@ -478,6 +523,11 @@ const TCGArg *dyngen_op(TCGContext *s, int opc, const TCGArg *opparam_ptr)
default:
tcg_abort();
}
#ifdef __hppa__
hppa_process_stubs(hppa_stubs, &gen_code_ptr);
#endif
s->code_ptr = gen_code_ptr;
return opparam_ptr;
}