xref: /qemu/include/hw/riscv/boot.h (revision 29b62a10)
1 /*
2  * QEMU RISC-V Boot Helper
3  *
4  * Copyright (c) 2017 SiFive, Inc.
5  * Copyright (c) 2019 Alistair Francis <alistair.francis@wdc.com>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms and conditions of the GNU General Public License,
9  * version 2 or later, as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef RISCV_BOOT_H
21 #define RISCV_BOOT_H
22 
23 #include "exec/cpu-defs.h"
24 #include "hw/loader.h"
25 #include "hw/riscv/riscv_hart.h"
26 
27 #define RISCV32_BIOS_BIN    "opensbi-riscv32-generic-fw_dynamic.bin"
28 #define RISCV64_BIOS_BIN    "opensbi-riscv64-generic-fw_dynamic.bin"
29 
30 bool riscv_is_32bit(RISCVHartArrayState *harts);
31 
32 char *riscv_plic_hart_config_string(int hart_count);
33 
34 target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts,
35                                           target_ulong firmware_end_addr);
36 target_ulong riscv_find_and_load_firmware(MachineState *machine,
37                                           const char *default_machine_firmware,
38                                           hwaddr firmware_load_addr,
39                                           symbol_fn_t sym_cb);
40 const char *riscv_default_firmware_name(RISCVHartArrayState *harts);
41 char *riscv_find_firmware(const char *firmware_filename,
42                           const char *default_machine_firmware);
43 target_ulong riscv_load_firmware(const char *firmware_filename,
44                                  hwaddr firmware_load_addr,
45                                  symbol_fn_t sym_cb);
46 target_ulong riscv_load_kernel(MachineState *machine,
47                                target_ulong firmware_end_addr,
48                                symbol_fn_t sym_cb);
49 void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry);
50 uint64_t riscv_load_fdt(hwaddr dram_start, uint64_t dram_size, void *fdt);
51 void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState *harts,
52                                hwaddr saddr,
53                                hwaddr rom_base, hwaddr rom_size,
54                                uint64_t kernel_entry,
55                                uint64_t fdt_load_addr);
56 void riscv_rom_copy_firmware_info(MachineState *machine, hwaddr rom_base,
57                                   hwaddr rom_size,
58                                   uint32_t reset_vec_size,
59                                   uint64_t kernel_entry);
60 void riscv_setup_direct_kernel(hwaddr kernel_addr, hwaddr fdt_addr);
61 void riscv_setup_firmware_boot(MachineState *machine);
62 
63 #endif /* RISCV_BOOT_H */
64