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/* SPDX-License-Identifier: GPL-2.0-only */
#include <cbmem.h>
#include <arch/lib_helpers.h>
#include <arch/stages.h>
#include <arch/transition.h>
#include <bl31.h>
#include <program_loading.h>
static void run_payload(struct prog *prog)
{
void (*doit)(void *);
void *arg;
doit = prog_entry(prog);
arg = prog_entry_arg(prog);
u64 payload_spsr = get_eret_el(EL2, SPSR_USE_L);
if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE))
run_bl31((u64)doit, (u64)arg, payload_spsr);
else if (CONFIG_ARM64_CURRENT_EL == EL3)
transition_to_el2(doit, arg, payload_spsr);
else
doit(arg);
}
void arch_prog_run(struct prog *prog)
{
void (*doit)(void *);
if (ENV_RAMSTAGE && prog_type(prog) == PROG_PAYLOAD) {
run_payload(prog);
return;
}
doit = prog_entry(prog);
doit(prog_entry_arg(prog));
}
/* Generic stage entry point. Can be overridden by board/SoC if needed. */
__weak void stage_entry(uintptr_t stage_arg)
{
if (!ENV_ROMSTAGE_OR_BEFORE)
_cbmem_top_ptr = stage_arg;
main();
}
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