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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/boot/boot.h>
#include <arch/cpu.h>
#include <commonlib/helpers.h>
#include <console/console.h>
#include <mode_switch.h>
#include <program_loading.h>
#include <symbols.h>
#include <assert.h>
int payload_arch_usable_ram_quirk(uint64_t start, uint64_t size)
{
if (start < 1 * MiB && (start + size) <= 1 * MiB) {
printk(BIOS_DEBUG,
"Payload being loaded at below 1MiB without region being marked as RAM usable.\n");
return 1;
}
return 0;
}
void arch_prog_run(struct prog *prog)
{
#if ENV_RAMSTAGE && ENV_X86_64
const uint32_t arg = pointer_to_uint32_safe(prog_entry_arg(prog));
const uint32_t entry = pointer_to_uint32_safe(prog_entry(prog));
/* On x86 coreboot payloads expect to be called in protected mode */
protected_mode_call_1arg((void *)(uintptr_t)entry, arg);
#else
#if ENV_X86_64
void (*doit)(void *arg);
#else
/* Ensure the argument is pushed on the stack. */
asmlinkage void (*doit)(void *arg);
#endif
doit = prog_entry(prog);
doit(prog_entry_arg(prog));
#endif
}
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