linux-user/riscv/target_proc.h

   1 /*
   2  * RISC-V specific proc functions for linux-user
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6 #ifndef RISCV_TARGET_PROC_H
   7 #define RISCV_TARGET_PROC_H
   8
   9 static int open_cpuinfo(CPUArchState *cpu_env, int fd)
  10 {
  11     int i;
  12     int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
  13     RISCVCPU *cpu = env_archcpu(cpu_env);
  14     const RISCVCPUConfig *cfg = riscv_cpu_cfg((CPURISCVState *) cpu_env);
  15     char *isa_string = riscv_isa_string(cpu);
  16     const char *mmu;
  17
  18     if (cfg->mmu) {
  19         mmu = (cpu_env->xl == MXL_RV32) ? "sv32"  : "sv48";
  20     } else {
  21         mmu = "none";
  22     }
  23
  24     for (i = 0; i < num_cpus; i++) {
  25         dprintf(fd, "processor\t: %d\n", i);
  26         dprintf(fd, "hart\t\t: %d\n", i);
  27         dprintf(fd, "isa\t\t: %s\n", isa_string);
  28         dprintf(fd, "mmu\t\t: %s\n", mmu);
  29         dprintf(fd, "uarch\t\t: qemu\n\n");
  30     }
  31
  32     g_free(isa_string);
  33     return 0;
  34 }
  35 #define HAVE_ARCH_PROC_CPUINFO
  36
  37 #endif /* RISCV_TARGET_PROC_H */