hw/riscv: Add a riscv_is_32_bit() function

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
Message-id: 4c6a85dfb6dd470aa79356ebc1b02f479c2758e0.1602634524.git.alistair.francis@wdc.com

diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index fa699308a040c87de6e2002362bcb59a10a30404..5dea644f475ce89993e27f709c1ef363768a64b5 100644 (file)
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -40,6 +40,15 @@
 #define fw_dynamic_info_data(__val)     cpu_to_le64(__val)
 #endif
 
+bool riscv_is_32_bit(MachineState *machine)
+{
+    if (!strncmp(machine->cpu_type, "rv32", 4)) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
 target_ulong riscv_find_and_load_firmware(MachineState *machine,
                                           const char *default_machine_firmware,
                                           hwaddr firmware_load_addr,

diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h
index 0acbd8aa6e564d54966b4fb1ebef892c2d1d2f49..2975ed1a31d5cbcecf9591beff8429cd1ebbfcf5 100644 (file)
--- a/include/hw/riscv/boot.h
+++ b/include/hw/riscv/boot.h
@@ -23,6 +23,8 @@
 #include "exec/cpu-defs.h"
 #include "hw/loader.h"
 
+bool riscv_is_32_bit(MachineState *machine);
+
 target_ulong riscv_find_and_load_firmware(MachineState *machine,
                                           const char *default_machine_firmware,
                                           hwaddr firmware_load_addr,