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Use initial CPU definition structure for some CPU fields instead of copying

Browse source 
them around, based on patch by Luis Pureza.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5042 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-08-21 17:33:42 +00:00
parent 1a7de94aa4
commit 5578ceab94
4 changed files with 83 additions and 87 deletions
Download patch file Download diff file Expand all files Collapse all files

36
target-sparc/helper.c
View file

@ -34,23 +34,6 @@
//#define DEBUG_FEATURES
//#define DEBUG_PCALL
typedef struct sparc_def_t sparc_def_t;
struct sparc_def_t {
const char *name;
target_ulong iu_version;
uint32_t fpu_version;
uint32_t mmu_version;
uint32_t mmu_bm;
uint32_t mmu_ctpr_mask;
uint32_t mmu_cxr_mask;
uint32_t mmu_sfsr_mask;
uint32_t mmu_trcr_mask;
uint32_t features;
uint32_t nwindows;
uint32_t maxtl;
};
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
/* Sparc MMU emulation */
@ -137,7 +120,7 @@ static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
// Boot mode: instruction fetches are taken from PROM
if (rw == 2 && (env->mmuregs[0] & env->mmu_bm)) {
if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
*physical = env->prom_addr | (address & 0x7ffffULL);
*prot = PAGE_READ | PAGE_EXEC;
return 0;
@ -759,7 +742,7 @@ void do_interrupt(CPUState *env)
env->tsptr->tpc = env->pc;
env->tsptr->tnpc = env->npc;
env->tsptr->tt = intno;
if (!(env->features & CPU_FEATURE_GL)) {
if (!(env->def->features & CPU_FEATURE_GL)) {
switch (intno) {
case TT_IVEC:
change_pstate(PS_PEF | PS_PRIV | PS_IG);
@ -923,7 +906,7 @@ void cpu_reset(CPUSPARCState *env)
#else
env->pc = 0;
env->mmuregs[0] &= ~(MMU_E | MMU_NF);
env->mmuregs[0] |= env->mmu_bm;
env->mmuregs[0] |= env->def->mmu_bm;
#endif
env->npc = env->pc + 4;
#endif
@ -936,17 +919,17 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
if (cpu_sparc_find_by_name(def, cpu_model) < 0)
return -1;
env->features = def->features;
env->def = qemu_mallocz(sizeof(*def));
memcpy(env->def, def, sizeof(*def));
#if defined(CONFIG_USER_ONLY)
if ((env->def->features & CPU_FEATURE_FLOAT))
env->def->features |= CPU_FEATURE_FLOAT128;
#endif
env->cpu_model_str = cpu_model;
env->version = def->iu_version;
env->fsr = def->fpu_version;
env->nwindows = def->nwindows;
#if !defined(TARGET_SPARC64)
env->mmu_bm = def->mmu_bm;
env->mmu_ctpr_mask = def->mmu_ctpr_mask;
env->mmu_cxr_mask = def->mmu_cxr_mask;
env->mmu_sfsr_mask = def->mmu_sfsr_mask;
env->mmu_trcr_mask = def->mmu_trcr_mask;
env->mmuregs[0] |= def->mmu_version;
cpu_sparc_set_id(env, 0);
#else
@ -960,6 +943,7 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
static void cpu_sparc_close(CPUSPARCState *env)
{
free(env->def);
free(env);
}