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charset="utf-8" This patch adds an optional function pointer, "sym_cb", to riscv_load_firmware() which provides the possibility to access the symbol table during kernel loading. The pointer is ignored, if supplied with flat (non-elf) firmware image. The Spike board requires it locate the HTIF symbols from firmware ELF passed via "-bios" option. Signed-off-by: Anup Patel Reviewed-by: Alistair Francis --- hw/riscv/boot.c | 13 ++++++++----- hw/riscv/sifive_u.c | 2 +- hw/riscv/virt.c | 2 +- include/hw/riscv/boot.h | 6 ++++-- 4 files changed, 14 insertions(+), 9 deletions(-) diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 027303d2a3..7ec94dc701 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -36,7 +36,8 @@ =20 void riscv_find_and_load_firmware(MachineState *machine, const char *default_machine_firmware, - hwaddr firmware_load_addr) + hwaddr firmware_load_addr, + symbol_fn_t sym_cb) { char *firmware_filename =3D NULL; =20 @@ -76,7 +77,7 @@ void riscv_find_and_load_firmware(MachineState *machine, =20 if (firmware_filename) { /* If not "none" load the firmware */ - riscv_load_firmware(firmware_filename, firmware_load_addr); + riscv_load_firmware(firmware_filename, firmware_load_addr, sym_cb); g_free(firmware_filename); } } @@ -96,12 +97,14 @@ char *riscv_find_firmware(const char *firmware_filename) } =20 target_ulong riscv_load_firmware(const char *firmware_filename, - hwaddr firmware_load_addr) + hwaddr firmware_load_addr, + symbol_fn_t sym_cb) { uint64_t firmware_entry, firmware_start, firmware_end; =20 - if (load_elf(firmware_filename, NULL, NULL, NULL, &firmware_entry, - &firmware_start, &firmware_end, 0, EM_RISCV, 1, 0) > 0) { + if (load_elf_ram_sym(firmware_filename, NULL, NULL, NULL, + &firmware_entry, &firmware_start, &firmware_end, = 0, + EM_RISCV, 1, 0, NULL, true, sym_cb) > 0) { return firmware_entry; } =20 diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 0140e95732..0c84215f42 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -341,7 +341,7 @@ static void riscv_sifive_u_init(MachineState *machine) create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); =20 riscv_find_and_load_firmware(machine, BIOS_FILENAME, - memmap[SIFIVE_U_DRAM].base); + memmap[SIFIVE_U_DRAM].base, NULL); =20 if (machine->kernel_filename) { uint64_t kernel_entry =3D riscv_load_kernel(machine->kernel_filena= me, diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index c44b865959..90a5bfef63 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -476,7 +476,7 @@ static void riscv_virt_board_init(MachineState *machine) mask_rom); =20 riscv_find_and_load_firmware(machine, BIOS_FILENAME, - memmap[VIRT_DRAM].base); + memmap[VIRT_DRAM].base, NULL); =20 if (machine->kernel_filename) { uint64_t kernel_entry =3D riscv_load_kernel(machine->kernel_filena= me, diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h index df80051fbc..474a940ad5 100644 --- a/include/hw/riscv/boot.h +++ b/include/hw/riscv/boot.h @@ -24,10 +24,12 @@ =20 void riscv_find_and_load_firmware(MachineState *machine, const char *default_machine_firmware, - hwaddr firmware_load_addr); + hwaddr firmware_load_addr, + symbol_fn_t sym_cb); char *riscv_find_firmware(const char *firmware_filename); target_ulong riscv_load_firmware(const char *firmware_filename, - hwaddr firmware_load_addr); + hwaddr firmware_load_addr, + symbol_fn_t sym_cb); target_ulong riscv_load_kernel(const char *kernel_filename, symbol_fn_t sym_cb); hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size, --=20 2.17.1 From nobody Sat Apr 27 01:43:19 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" This patch extends Spike machine support to allow loading OpenSBI firmware (fw_jump.elf) separately using -bios option. Signed-off-by: Anup Patel Reviewed-by: Alistair Francis --- hw/riscv/spike.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 8823681783..060a86f922 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -45,6 +45,12 @@ =20 #include =20 +#if defined(TARGET_RISCV32) +# define BIOS_FILENAME "opensbi-riscv32-spike-fw_jump.elf" +#else +# define BIOS_FILENAME "opensbi-riscv64-spike-fw_jump.elf" +#endif + static const struct MemmapEntry { hwaddr base; hwaddr size; @@ -183,8 +189,24 @@ static void spike_board_init(MachineState *machine) memory_region_add_subregion(system_memory, memmap[SPIKE_MROM].base, mask_rom); =20 + riscv_find_and_load_firmware(machine, BIOS_FILENAME, + memmap[SPIKE_DRAM].base, + htif_symbol_callback); + if (machine->kernel_filename) { - riscv_load_kernel(machine->kernel_filename, htif_symbol_callback); + uint64_t kernel_entry =3D riscv_load_kernel(machine->kernel_filena= me, + htif_symbol_callback); + + if (machine->initrd_filename) { + hwaddr start; + hwaddr end =3D riscv_load_initrd(machine->initrd_filename, + machine->ram_size, kernel_entry, + &start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", + "linux,initrd-start", start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", + end); + } } =20 /* reset vector */ --=20 2.17.1 From nobody Sat Apr 27 01:43:19 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=pass header.i=@wdc.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1dmarc=pass fromdomain=wdc.com); dmarc=pass(p=none dis=none) header.from=wdc.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 158166507712056.762542933174245; 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From: Anup Patel To: Peter Maydell , Palmer Dabbelt , Alistair Francis , Sagar Karandikar Subject: [PATCH 3/3] hw/riscv/spike: Allow more than one CPUs Date: Fri, 14 Feb 2020 12:51:27 +0530 Message-Id: <20200214072127.64330-4-anup.patel@wdc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200214072127.64330-1-anup.patel@wdc.com> References: <20200214072127.64330-1-anup.patel@wdc.com> X-ClientProxiedBy: MA1PR0101CA0015.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:21::25) To MN2PR04MB6061.namprd04.prod.outlook.com (2603:10b6:208:d8::15) MIME-Version: 1.0 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [106.51.31.230] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 3b45c916-a3da-4008-2378-08d7b11e9c72 X-MS-TrafficTypeDiagnostic: MN2PR04MB6288: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: WDCIPOUTBOUND: EOP-TRUE X-MS-Oob-TLC-OOBClassifiers: OLM:5797; X-Forefront-PRVS: 03137AC81E X-Forefront-Antispam-Report: SFV:NSPM; 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charset="utf-8" Currently, the upstream Spike ISA simulator allows more than one CPUs so we update QEMU Spike machine on similar lines to allow more than one CPUs. The maximum number of CPUs for QEMU Spike machine is kept same as QEMU Virt machine. Signed-off-by: Anup Patel Reviewed-by: Alistair Francis --- hw/riscv/spike.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 060a86f922..1eac0d9a83 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -469,7 +469,7 @@ static void spike_machine_init(MachineClass *mc) { mc->desc =3D "RISC-V Spike Board"; mc->init =3D spike_board_init; - mc->max_cpus =3D 1; + mc->max_cpus =3D 8; mc->is_default =3D 1; mc->default_cpu_type =3D SPIKE_V1_10_0_CPU; } --=20 2.17.1