d63cb48db9
Make it possible for boards to override the kind of interrupt to be signaled when the decr timer hits. The 405's signal PIT interrupts while the 440's signal DECR. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
57 lines
2 KiB
C
57 lines
2 KiB
C
/* PowerPC hardware exceptions management helpers */
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typedef void (*clk_setup_cb)(void *opaque, uint32_t freq);
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typedef struct clk_setup_t clk_setup_t;
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struct clk_setup_t {
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clk_setup_cb cb;
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void *opaque;
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};
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static inline void clk_setup (clk_setup_t *clk, uint32_t freq)
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{
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if (clk->cb != NULL)
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(*clk->cb)(clk->opaque, freq);
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}
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clk_setup_cb cpu_ppc_tb_init (CPUState *env, uint32_t freq);
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/* Embedded PowerPC DCR management */
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typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn);
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typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val);
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int ppc_dcr_init (CPUState *env, int (*dcr_read_error)(int dcrn),
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int (*dcr_write_error)(int dcrn));
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int ppc_dcr_register (CPUState *env, int dcrn, void *opaque,
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dcr_read_cb drc_read, dcr_write_cb dcr_write);
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clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq,
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unsigned int decr_excp);
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/* Embedded PowerPC reset */
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void ppc40x_core_reset (CPUState *env);
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void ppc40x_chip_reset (CPUState *env);
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void ppc40x_system_reset (CPUState *env);
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void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val);
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extern CPUWriteMemoryFunc * const PPC_io_write[];
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extern CPUReadMemoryFunc * const PPC_io_read[];
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void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val);
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void ppc40x_irq_init (CPUState *env);
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void ppce500_irq_init (CPUState *env);
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void ppc6xx_irq_init (CPUState *env);
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void ppc970_irq_init (CPUState *env);
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/* PPC machines for OpenBIOS */
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enum {
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ARCH_PREP = 0,
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ARCH_MAC99,
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ARCH_HEATHROW,
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ARCH_MAC99_U3,
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};
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#define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
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#define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
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#define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
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#define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03)
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#define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05)
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#define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06)
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#define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07)
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#define PPC_SERIAL_MM_BAUDBASE 399193
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