Archipelago » qemu

/* 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,

    ARCH_MAC99_U3,

};

#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 FW_CFG_PPC_TBFREQ        (FW_CFG_ARCH_LOCAL + 0x03)

#define PPC_SERIAL_MM_BAUDBASE 399193