/* 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); }