diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/riscv/virt.c | 53 |
1 files changed, 21 insertions, 32 deletions
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 245c7b97b2..17fdcef223 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1245,7 +1245,7 @@ static void virt_machine_done(Notifier *notifier, void *data) target_ulong firmware_end_addr, kernel_start_addr; const char *firmware_name = riscv_default_firmware_name(&s->soc[0]); uint32_t fdt_load_addr; - uint64_t kernel_entry; + uint64_t kernel_entry = 0; /* * Only direct boot kernel is currently supported for KVM VM, @@ -1266,42 +1266,31 @@ static void virt_machine_done(Notifier *notifier, void *data) firmware_end_addr = riscv_find_and_load_firmware(machine, firmware_name, start_addr, NULL); - if (drive_get(IF_PFLASH, 0, 1)) { - /* - * S-mode FW like EDK2 will be kept in second plash (unit 1). - * When both kernel, initrd and pflash options are provided in the - * command line, the kernel and initrd will be copied to the fw_cfg - * table and opensbi will jump to the flash address which is the - * entry point of S-mode FW. It is the job of the S-mode FW to load - * the kernel and initrd using fw_cfg table. - * - * If only pflash is given but not -kernel, then it is the job of - * of the S-mode firmware to locate and load the kernel. - * In either case, the next_addr for opensbi will be the flash address. - */ - riscv_setup_firmware_boot(machine); - kernel_entry = virt_memmap[VIRT_FLASH].base + - virt_memmap[VIRT_FLASH].size / 2; - } else if (machine->kernel_filename) { + if (drive_get(IF_PFLASH, 0, 0)) { + if (machine->firmware && !strcmp(machine->firmware, "none") && + !kvm_enabled()) { + /* + * Pflash was supplied but bios is none and not KVM guest, + * let's overwrite the address we jump to after reset to + * the base of the flash. + */ + start_addr = virt_memmap[VIRT_FLASH].base; + } else { + /* + * Pflash was supplied but either KVM guest or bios is not none. + * In this case, base of the flash would contain S-mode payload. + */ + riscv_setup_firmware_boot(machine); + kernel_entry = virt_memmap[VIRT_FLASH].base; + } + } + + if (machine->kernel_filename && !kernel_entry) { kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc[0], firmware_end_addr); kernel_entry = riscv_load_kernel(machine, &s->soc[0], kernel_start_addr, true, NULL); - } else { - /* - * If dynamic firmware is used, it doesn't know where is the next mode - * if kernel argument is not set. - */ - kernel_entry = 0; - } - - if (drive_get(IF_PFLASH, 0, 0)) { - /* - * Pflash was supplied, let's overwrite the address we jump to after - * reset to the base of the flash. - */ - start_addr = virt_memmap[VIRT_FLASH].base; } fdt_load_addr = riscv_compute_fdt_addr(memmap[VIRT_DRAM].base, |