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/* PowerPC hardware exceptions management helpers */
typedef void (*clk_setup_cb)(void *opaque, uint32_t freq);
typedef struct clk_setup_t clk_setup_t;
struct clk_setup_t {
clk_setup_cb cb;
void *opaque;
};
static inline void clk_setup (clk_setup_t *clk, uint32_t freq)
{
if (clk->cb != NULL)
(*clk->cb)(clk->opaque, freq);
}
clk_setup_cb cpu_ppc_tb_init (CPUState *env, uint32_t freq);
/* Embedded PowerPC DCR management */
typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn);
typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val);
int ppc_dcr_init (CPUState *env, int (*dcr_read_error)(int dcrn),
int (*dcr_write_error)(int dcrn));
int ppc_dcr_register (CPUState *env, int dcrn, void *opaque,
dcr_read_cb drc_read, dcr_write_cb dcr_write);
clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq);
/* Embedded PowerPC reset */
void ppc40x_core_reset (CPUState *env);
void ppc40x_chip_reset (CPUState *env);
void ppc40x_system_reset (CPUState *env);
void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val);
extern CPUWriteMemoryFunc * const PPC_io_write[];
extern CPUReadMemoryFunc * const PPC_io_read[];
void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val);
void ppc40x_irq_init (CPUState *env);
void ppce500_irq_init (CPUState *env);
void ppc6xx_irq_init (CPUState *env);
void ppc970_irq_init (CPUState *env);
/* PPC machines for OpenBIOS */
enum {
ARCH_PREP = 0,
ARCH_MAC99,
ARCH_HEATHROW,
};
#define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
#define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
#define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
#define PPC_SERIAL_MM_BAUDBASE 399193
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