93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <program_loading.h>
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#include <vm.h>
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#include <arch/boot.h>
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#include <arch/encoding.h>
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#include <arch/smp/smp.h>
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#include <mcall.h>
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#include <commonlib/cbfs_serialized.h>
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#include <console/console.h>
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struct arch_prog_run_args {
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struct prog *prog;
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struct prog *opensbi;
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};
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/*
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* A pointer to the Flattened Device Tree passed to coreboot by the boot ROM.
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* Presumably this FDT is also in ROM.
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*
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* This pointer is only used in ramstage!
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*/
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static void do_arch_prog_run(struct arch_prog_run_args *args)
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{
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int hart_id;
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struct prog *prog = args->prog;
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void *fdt = prog_entry_arg(prog);
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/*
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* Workaround selfboot putting the coreboot table into prog_entry_arg
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*/
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if (prog_cbfs_type(prog) == CBFS_TYPE_SELF)
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fdt = HLS()->fdt;
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/*
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* If prog_entry_arg is not set (e.g. by fit_payload), use fdt from HLS
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* instead.
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*/
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if (fdt == NULL)
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fdt = HLS()->fdt;
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if (ENV_RAMSTAGE && prog_type(prog) == PROG_PAYLOAD) {
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if (CONFIG(RISCV_OPENSBI))
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run_payload_opensbi(prog, fdt, args->opensbi, RISCV_PAYLOAD_MODE_S);
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else
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run_payload(prog, fdt, RISCV_PAYLOAD_MODE_S);
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} else {
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void (*doit)(int hart_id, void *fdt) = prog_entry(prog);
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hart_id = HLS()->hart_id;
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doit(hart_id, fdt);
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}
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die("Failed to run stage");
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}
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void arch_prog_run(struct prog *prog)
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{
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struct arch_prog_run_args args = {};
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args.prog = prog;
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/* In case of OpenSBI we have to load it before resuming all HARTs */
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if (ENV_RAMSTAGE && CONFIG(RISCV_OPENSBI)) {
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struct prog sbi = PROG_INIT(PROG_OPENSBI, CONFIG_CBFS_PREFIX"/opensbi");
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if (prog_locate(&sbi))
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die("OpenSBI not found");
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if (!selfload_check(&sbi, BM_MEM_OPENSBI))
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die("OpenSBI load failed");
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args.opensbi = &sbi;
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}
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smp_resume((void (*)(void *))do_arch_prog_run, &args);
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}
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