Currently only PRV_U, PRV_S and PRV_M are supported, so this patch ensures that
the privilege mode is set to one of them. Once support for the H-extension is
added, this code will also need to properly update the virtualization status
when switching between VU/VS-modes and M-mode.
Signed-off-by: Jonathan Behrens <jonathan@fintelia.io>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
static int riscv_gdb_set_virtual(CPURISCVState *cs, uint8_t *mem_buf, int n)
{
+ if (n == 0) {
+#ifndef CONFIG_USER_ONLY
+ cs->priv = ldtul_p(mem_buf) & 0x3;
+ if (cs->priv == PRV_H) {
+ cs->priv = PRV_S;
+ }
+#endif
+ return sizeof(target_ulong);
+ }
return 0;
}