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PowerPC merge (Jocelyn Mayer) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@566 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-18 22:49:57 +00:00
parent 3f5dcc340c
commit 985a19d6d1
4 changed files with 27 additions and 10 deletions
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7
target-ppc/op.c
View File

@ -453,13 +453,6 @@ PPC_OP(reset_scrfx)
RETURN();
}
/* Set reservation */
PPC_OP(set_reservation)
{
regs->reserve = T0 & ~0x03;
RETURN();
}
/* crf operations */
PPC_OP(getbit_T0)
{

6
target-ppc/op_helper.c
View File

@ -349,9 +349,13 @@ void do_fnabs (void)
}
/* Instruction cache invalidation helper */
#define ICACHE_LINE_SIZE 32
void do_icbi (void)
{
// tb_invalidate_page(T0);
/* Invalidate one cache line */
T0 &= ~(ICACHE_LINE_SIZE - 1);
tb_invalidate_page_range(T0, T0 + ICACHE_LINE_SIZE);
}
/* TLB invalidation helpers */

13
target-ppc/op_mem.h
View File

@ -134,6 +134,19 @@ PPC_OP(glue(glue(l, name), MEMSUFFIX)) \
PPC_LDF_OP(fd, ldfq);
PPC_LDF_OP(fs, ldfl);
/* Load and set reservation */
PPC_OP(glue(lwarx, MEMSUFFIX))
{
if (T0 & 0x03) {
do_queue_exception(EXCP_ALIGN);
do_process_exceptions();
} else {
glue(ldl, MEMSUFFIX)((void *)T0);
regs->reserve = T0 & ~0x03;
}
RETURN();
}
/* Store with reservation */
PPC_OP(glue(stwcx, MEMSUFFIX))
{

11
target-ppc/translate.c
View File

@ -1302,8 +1302,14 @@ GEN_HANDLER(isync, 0x13, 0x16, 0xFF, 0x03FF0801, PPC_MEM)
/* lwarx */
#if defined(CONFIG_USER_ONLY)
#define op_lwarx() gen_op_lwarx_raw()
#define op_stwcx() gen_op_stwcx_raw()
#else
#define op_lwarx() (*gen_op_lwarx[ctx->mem_idx])()
static GenOpFunc *gen_op_lwarx[] = {
&gen_op_lwarx_user,
&gen_op_lwarx_kernel,
};
#define op_stwcx() (*gen_op_stwcx[ctx->mem_idx])()
static GenOpFunc *gen_op_stwcx[] = {
&gen_op_stwcx_user,
@ -1320,9 +1326,8 @@ GEN_HANDLER(lwarx, 0x1F, 0x14, 0xFF, 0x00000001, PPC_RES)
gen_op_load_gpr_T1(rB(ctx->opcode));
gen_op_add();
}
op_ldst(lwz);
op_lwarx();
gen_op_store_T1_gpr(rD(ctx->opcode));
gen_op_set_reservation();
}
/* stwcx. */
@ -3169,9 +3174,11 @@ int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
while (lj <= j)
gen_opc_instr_start[lj++] = 0;
tb->size = 0;
#if 0
if (loglevel > 0) {
page_dump(logfile);
}
#endif
} else {
tb->size = (uint32_t)ctx.nip - pc_start;
}