b7cc68ae6a
Payloads can use coreboot tables passed on via arguments instead of via a pointer in lower memory. Stages can make use of the argument to pass on information. Change-Id: Ie0f44e9e1992221e02c49d0492cdd2a3d9013560 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36143 Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
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* This file is part of the coreboot project.
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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 <commonlib/helpers.h>
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#include <console/console.h>
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#include <program_loading.h>
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#include <ip_checksum.h>
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#include <symbols.h>
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int payload_arch_usable_ram_quirk(uint64_t start, uint64_t size)
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{
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if (start < 1 * MiB && (start + size) <= 1 * MiB) {
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printk(BIOS_DEBUG,
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"Payload being loaded at below 1MiB without region being marked as RAM usable.\n");
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return 1;
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}
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return 0;
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}
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void arch_prog_run(struct prog *prog)
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{
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#ifdef __x86_64__
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void (*doit)(void *arg);
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#else
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/* Ensure the argument is pushed on the stack. */
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asmlinkage void (*doit)(void *arg);
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#endif
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doit = prog_entry(prog);
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doit(prog_entry_arg(prog));
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}
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