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60 lines
1.2 KiB
60 lines
1.2 KiB
#include "vriscv.h"
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#include "memory/memory.h"
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#include "bootloader/bootloader.h"
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#include "cpu/rv32cpu.h"
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#include "gdbstub/gdbstub.h"
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char* CURRENT_NAME;
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int main(int argc, char** argv)
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{
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CURRENT_NAME = argc ? argv[0] : NAME;
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parse_options(argc, argv);
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// Initialize the memory
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mem_init();
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// Bootload the file passed as argument
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uint32_t entry_point = bootload(file_path);
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// Initialize the CPU
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cpu_init();
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cpu0->pc = entry_point;
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if(gdbstub)
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{
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gdbstub_start();
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gdbstub_wait_for_connection();
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}
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// CPU simulation : create cpu0 thread
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if(!gdbstub) cpu0->sim_ticks_left = -1; // Simulate forever
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pthread_t cpu0_thread;
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pthread_create(&cpu0_thread, 0, (void*) cpu_loop, cpu0);
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// Wait for the simulation to end
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if(gdbstub)
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{
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pthread_join(cpu0_thread, 0);
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gdbstub_stop();
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}
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else
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{
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while(1)
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{
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pthread_mutex_lock(&cpu0_mutex);
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pthread_cond_wait(&cpu0->sim_condition, &cpu0_mutex);
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if(!cpu0->sim_ticks_left && cpu0->sim_ticks_done > 0)
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{
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// Simulation ended
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break;
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}
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pthread_mutex_unlock(&cpu0_mutex);
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}
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fprintf(stderr, "Simulation ended in a non-debug environment\n");
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return cpu0->regs.a0;
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}
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return 0;
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}
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