4 #include "target/ppc/cpu-qom.h"
6 void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level);
7 PowerPCCPU *ppc_get_vcpu_by_pir(int pir);
8 int ppc_cpu_pir(PowerPCCPU *cpu);
10 /* PowerPC hardware exceptions management helpers */
11 typedef void (*clk_setup_cb)(void *opaque, uint32_t freq);
12 typedef struct clk_setup_t clk_setup_t;
17 static inline void clk_setup (clk_setup_t *clk, uint32_t freq)
20 (*clk->cb)(clk->opaque, freq);
24 /* Time base management */
25 int64_t tb_offset; /* Compensation */
26 int64_t atb_offset; /* Compensation */
28 uint32_t tb_freq; /* TB frequency */
29 /* Decrementer management */
30 uint64_t decr_next; /* Tick for next decr interrupt */
31 uint32_t decr_freq; /* decrementer frequency */
32 QEMUTimer *decr_timer;
33 /* Hypervisor decrementer management */
34 uint64_t hdecr_next; /* Tick for next hdecr interrupt */
35 QEMUTimer *hdecr_timer;
41 /* PPC Timers flags */
42 #define PPC_TIMER_BOOKE (1 << 0) /* Enable Booke support */
43 #define PPC_TIMER_E500 (1 << 1) /* Enable e500 support */
44 #define PPC_DECR_UNDERFLOW_TRIGGERED (1 << 2) /* Decr interrupt triggered when
45 * the most significant bit
46 * changes from 0 to 1.
48 #define PPC_DECR_ZERO_TRIGGERED (1 << 3) /* Decr interrupt triggered when
49 * the decrementer reaches zero.
51 #define PPC_DECR_UNDERFLOW_LEVEL (1 << 4) /* Decr interrupt active when
52 * the most significant bit is 1.
55 uint64_t cpu_ppc_get_tb(ppc_tb_t *tb_env, uint64_t vmclk, int64_t tb_offset);
56 clk_setup_cb cpu_ppc_tb_init (CPUPPCState *env, uint32_t freq);
57 void cpu_ppc_tb_free(CPUPPCState *env);
58 void cpu_ppc_hdecr_init(CPUPPCState *env);
59 void cpu_ppc_hdecr_exit(CPUPPCState *env);
61 /* Embedded PowerPC DCR management */
62 typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn);
63 typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val);
64 int ppc_dcr_init (CPUPPCState *env, int (*dcr_read_error)(int dcrn),
65 int (*dcr_write_error)(int dcrn));
66 int ppc_dcr_register (CPUPPCState *env, int dcrn, void *opaque,
67 dcr_read_cb drc_read, dcr_write_cb dcr_write);
68 clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq,
69 unsigned int decr_excp);
71 /* Embedded PowerPC reset */
72 void ppc40x_core_reset(PowerPCCPU *cpu);
73 void ppc40x_chip_reset(PowerPCCPU *cpu);
74 void ppc40x_system_reset(PowerPCCPU *cpu);
76 #if defined(CONFIG_USER_ONLY)
77 static inline void ppc40x_irq_init(PowerPCCPU *cpu) {}
78 static inline void ppc6xx_irq_init(PowerPCCPU *cpu) {}
79 static inline void ppc970_irq_init(PowerPCCPU *cpu) {}
80 static inline void ppcPOWER7_irq_init(PowerPCCPU *cpu) {}
81 static inline void ppcPOWER9_irq_init(PowerPCCPU *cpu) {}
82 static inline void ppce500_irq_init(PowerPCCPU *cpu) {}
83 static inline void ppc_irq_reset(PowerPCCPU *cpu) {}
85 void ppc40x_irq_init(PowerPCCPU *cpu);
86 void ppce500_irq_init(PowerPCCPU *cpu);
87 void ppc6xx_irq_init(PowerPCCPU *cpu);
88 void ppc970_irq_init(PowerPCCPU *cpu);
89 void ppcPOWER7_irq_init(PowerPCCPU *cpu);
90 void ppcPOWER9_irq_init(PowerPCCPU *cpu);
91 void ppc_irq_reset(PowerPCCPU *cpu);
94 /* PPC machines for OpenBIOS */
102 #define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
103 #define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
104 #define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
105 #define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03)
106 #define FW_CFG_PPC_CLOCKFREQ (FW_CFG_ARCH_LOCAL + 0x04)
107 #define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05)
108 #define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06)
109 #define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07)
110 #define FW_CFG_PPC_NVRAM_ADDR (FW_CFG_ARCH_LOCAL + 0x08)
111 #define FW_CFG_PPC_BUSFREQ (FW_CFG_ARCH_LOCAL + 0x09)
112 #define FW_CFG_PPC_NVRAM_FLAT (FW_CFG_ARCH_LOCAL + 0x0a)
113 #define FW_CFG_PPC_VIACONFIG (FW_CFG_ARCH_LOCAL + 0x0b)
115 #define PPC_SERIAL_MM_BAUDBASE 399193
118 void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags);