| #include <assert.h> |
| #include "cpu.h" |
| #include "helper.h" |
| #include "qemu/host-utils.h" |
| |
| #include "hw/lm32_pic.h" |
| #include "hw/lm32_juart.h" |
| |
| #if !defined(CONFIG_USER_ONLY) |
| #define MMUSUFFIX _mmu |
| #define SHIFT 0 |
| #include "exec/softmmu_template.h" |
| #define SHIFT 1 |
| #include "exec/softmmu_template.h" |
| #define SHIFT 2 |
| #include "exec/softmmu_template.h" |
| #define SHIFT 3 |
| #include "exec/softmmu_template.h" |
| |
| void HELPER(raise_exception)(CPULM32State *env, uint32_t index) |
| { |
| env->exception_index = index; |
| cpu_loop_exit(env); |
| } |
| |
| void HELPER(hlt)(CPULM32State *env) |
| { |
| CPUState *cs = CPU(lm32_env_get_cpu(env)); |
| |
| cs->halted = 1; |
| env->exception_index = EXCP_HLT; |
| cpu_loop_exit(env); |
| } |
| |
| void HELPER(wcsr_im)(CPULM32State *env, uint32_t im) |
| { |
| lm32_pic_set_im(env->pic_state, im); |
| } |
| |
| void HELPER(wcsr_ip)(CPULM32State *env, uint32_t im) |
| { |
| lm32_pic_set_ip(env->pic_state, im); |
| } |
| |
| void HELPER(wcsr_jtx)(CPULM32State *env, uint32_t jtx) |
| { |
| lm32_juart_set_jtx(env->juart_state, jtx); |
| } |
| |
| void HELPER(wcsr_jrx)(CPULM32State *env, uint32_t jrx) |
| { |
| lm32_juart_set_jrx(env->juart_state, jrx); |
| } |
| |
| uint32_t HELPER(rcsr_im)(CPULM32State *env) |
| { |
| return lm32_pic_get_im(env->pic_state); |
| } |
| |
| uint32_t HELPER(rcsr_ip)(CPULM32State *env) |
| { |
| return lm32_pic_get_ip(env->pic_state); |
| } |
| |
| uint32_t HELPER(rcsr_jtx)(CPULM32State *env) |
| { |
| return lm32_juart_get_jtx(env->juart_state); |
| } |
| |
| uint32_t HELPER(rcsr_jrx)(CPULM32State *env) |
| { |
| return lm32_juart_get_jrx(env->juart_state); |
| } |
| |
| /* Try to fill the TLB and return an exception if error. If retaddr is |
| NULL, it means that the function was called in C code (i.e. not |
| from generated code or from helper.c) */ |
| void tlb_fill(CPULM32State *env, target_ulong addr, int is_write, int mmu_idx, |
| uintptr_t retaddr) |
| { |
| int ret; |
| |
| ret = cpu_lm32_handle_mmu_fault(env, addr, is_write, mmu_idx); |
| if (unlikely(ret)) { |
| if (retaddr) { |
| /* now we have a real cpu fault */ |
| cpu_restore_state(env, retaddr); |
| } |
| cpu_loop_exit(env); |
| } |
| } |
| #endif |
| |