*/
#include "qemu/osdep.h"
+#include "qemu/error-report.h"
#include "qemu.h"
#include "cpu_loop-common.h"
+#include "elf.h"
void cpu_loop(CPURISCVState *env)
{
ret = 0;
} else {
ret = do_syscall(env,
- env->gpr[xA7],
+ env->gpr[(env->elf_flags & EF_RISCV_RVE)
+ ? xT0 : xA7],
env->gpr[xA0],
env->gpr[xA1],
env->gpr[xA2],
void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
{
+ CPUState *cpu = ENV_GET_CPU(env);
+ TaskState *ts = cpu->opaque;
+ struct image_info *info = ts->info;
+
env->pc = regs->sepc;
env->gpr[xSP] = regs->sp;
+ env->elf_flags = info->elf_flags;
+
+ if ((env->misa & RVE) && !(env->elf_flags & EF_RISCV_RVE)) {
+ error_report("Incompatible ELF: RVE cpu requires RVE ABI binary");
+ exit(EXIT_FAILURE);
+ }
}
#define xA4 14
#define xA5 15
#define xA6 16
-#define xA7 17 /* syscall number goes here */
+#define xA7 17 /* syscall number for RVI ABI */
+#define xT0 5 /* syscall number for RVE ABI */