| /* Copyright 2018 SiFive, Inc */ |
| /* SPDX-License-Identifier: Apache-2.0 */ |
| |
| #include <metal/cpu.h> |
| #include <metal/machine.h> |
| |
| struct metal_cpu* metal_cpu_get(unsigned int hartid) |
| { |
| if (hartid < __METAL_DT_MAX_HARTS) { |
| return (struct metal_cpu *)__metal_cpu_table[hartid]; |
| } |
| return NULL; |
| } |
| |
| int metal_cpu_get_current_hartid() |
| { |
| #ifdef __riscv |
| int mhartid; |
| __asm__ volatile("csrr %0, mhartid" : "=r" (mhartid)); |
| return mhartid; |
| #endif |
| } |
| |
| int metal_cpu_get_num_harts() |
| { |
| return __METAL_DT_MAX_HARTS; |
| } |
| |
| extern __inline__ unsigned long long metal_cpu_get_timer(struct metal_cpu *cpu); |
| |
| extern __inline__ unsigned long long metal_cpu_get_timebase(struct metal_cpu *cpu); |
| |
| extern __inline__ unsigned long long metal_cpu_get_mtime(struct metal_cpu *cpu); |
| |
| extern __inline__ int metal_cpu_set_mtimecmp(struct metal_cpu *cpu, unsigned long long time); |
| |
| extern __inline__ struct metal_interrupt* metal_cpu_timer_interrupt_controller(struct metal_cpu *cpu); |
| |
| extern __inline__ int metal_cpu_timer_get_interrupt_id(struct metal_cpu *cpu); |
| |
| extern __inline__ struct metal_interrupt* metal_cpu_software_interrupt_controller(struct metal_cpu *cpu); |
| |
| extern __inline__ int metal_cpu_software_get_interrupt_id(struct metal_cpu *cpu); |
| |
| extern __inline__ int metal_cpu_software_set_ipi(struct metal_cpu *cpu, int hartid); |
| |
| extern __inline__ int metal_cpu_software_clear_ipi(struct metal_cpu *cpu, int hartid); |
| |
| extern __inline__ int metal_cpu_get_msip(struct metal_cpu *cpu, int hartid); |
| |
| extern __inline__ struct metal_interrupt* metal_cpu_interrupt_controller(struct metal_cpu *cpu); |
| |
| extern __inline__ int metal_cpu_exception_register(struct metal_cpu *cpu, int ecode, metal_exception_handler_t handler); |
| |
| extern __inline__ int metal_cpu_get_instruction_length(struct metal_cpu *cpu, uintptr_t epc); |
| |
| extern __inline__ uintptr_t metal_cpu_get_exception_pc(struct metal_cpu *cpu); |
| |
| extern __inline__ int metal_cpu_set_exception_pc(struct metal_cpu *cpu, uintptr_t epc); |
