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/* SPDX-License-Identifier: GPL-2.0-only */
#include <program_loading.h>
#include <vm.h>
#include <arch/boot.h>
#include <arch/encoding.h>
#include <arch/smp/smp.h>
#include <mcall.h>
#include <cbfs.h>
#include <console/console.h>
struct arch_prog_run_args {
struct prog *prog;
struct prog *opensbi;
};
/*
* A pointer to the Flattened Device Tree passed to coreboot by the boot ROM.
* Presumably this FDT is also in ROM.
*
* This pointer is only used in ramstage!
*/
static void do_arch_prog_run(struct arch_prog_run_args *args)
{
int hart_id = HLS()->hart_id;
struct prog *prog = args->prog;
void *fdt = HLS()->fdt;
if (prog_cbfs_type(prog) == CBFS_TYPE_FIT_PAYLOAD)
fdt = prog_entry_arg(prog);
if (ENV_RAMSTAGE && prog_type(prog) == PROG_PAYLOAD) {
if (CONFIG(RISCV_OPENSBI)) {
// tell OpenSBI to switch to Supervisor mode before jumping to payload
run_payload_opensbi(prog, fdt, args->opensbi, RISCV_PAYLOAD_MODE_S);
} else {
run_payload(prog, fdt, RISCV_PAYLOAD_MODE_S);
}
} else {
void (*doit)(int hart_id, void *fdt, void *arg) = prog_entry(prog);
doit(hart_id, fdt, prog_entry_arg(prog));
}
die("Failed to run stage");
}
void arch_prog_run(struct prog *prog)
{
struct arch_prog_run_args args = {};
args.prog = prog;
/* In case of OpenSBI we have to load it before resuming all HARTs */
if (ENV_RAMSTAGE && CONFIG(RISCV_OPENSBI)) {
struct prog sbi = PROG_INIT(PROG_OPENSBI, CONFIG_CBFS_PREFIX"/opensbi");
if (!selfload_check(&sbi, BM_MEM_OPENSBI))
die("OpenSBI load failed");
args.opensbi = &sbi;
}
smp_resume((void (*)(void *))do_arch_prog_run, &args);
}
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