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MCF5208 emulation.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2924 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2007-06-03 11:13:39 +00:00
parent 62ea5b0bd3
commit 20dcee9483
13 changed files with 833 additions and 296 deletions
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13
target-m68k/cpu.h
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@ -59,6 +59,10 @@ typedef struct CPUM68KState {
uint32_t pc;
uint32_t sr;
/* SSP and USP. The current_sp is stored in aregs[7], the other here. */
int current_sp;
uint32_t sp[2];
/* Condition flags. */
uint32_t cc_op;
uint32_t cc_dest;
@ -92,6 +96,7 @@ typedef struct CPUM68KState {
uint32_t vbr;
uint32_t mbar;
uint32_t rambar0;
uint32_t cacr;
uint32_t features;
@ -151,6 +156,12 @@ enum {
#define SR_S 0x2000
#define SR_T 0x8000
#define M68K_SSP 0
#define M68K_USP 1
/* CACR fields are implementation defined, but some bits are common. */
#define M68K_CACR_EUSP 0x10
#define MACSR_PAV0 0x100
#define MACSR_OMC 0x080
#define MACSR_SU 0x040
@ -167,6 +178,7 @@ int cpu_m68k_set_model(CPUM68KState *env, const char * name);
void m68k_set_irq_level(CPUM68KState *env, int level, uint8_t vector);
void m68k_set_macsr(CPUM68KState *env, uint32_t val);
void m68k_switch_sp(CPUM68KState *env);
#define M68K_FPCR_PREC (1 << 6)
@ -179,6 +191,7 @@ enum m68k_features {
M68K_FEATURE_CF_FPU,
M68K_FEATURE_CF_MAC,
M68K_FEATURE_CF_EMAC,
M68K_FEATURE_USP,
M68K_FEATURE_EXT_FULL, /* 68020+ full extension word. */
M68K_FEATURE_WORD_INDEX /* word sized address index registers. */
};