X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Flibopenbios%2Fload.c;fp=qemu%2Froms%2Fopenbios%2Flibopenbios%2Fload.c;h=4bc12ea35c7e2cd2aae7c8c40735b843440d8069;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/openbios/libopenbios/load.c b/qemu/roms/openbios/libopenbios/load.c new file mode 100644 index 000000000..4bc12ea35 --- /dev/null +++ b/qemu/roms/openbios/libopenbios/load.c @@ -0,0 +1,122 @@ +/* + * Creation Date: <2010/06/25 20:00:00 mcayland> + * Time-stamp: <2010/06/25 20:00:00 mcayland> + * + * + * + * C implementation of load + * + * Copyright (C) 2010 Mark Cave-Ayland (mark.cave-ayland@siriusit.co.uk) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 + * + */ + +#include "config.h" +#include "kernel/kernel.h" +#include "libopenbios/bindings.h" +#include "libopenbios/sys_info.h" +#include "libopenbios/load.h" + +#ifdef CONFIG_LOADER_ELF +#include "libopenbios/elf_load.h" +#endif + +#ifdef CONFIG_LOADER_AOUT +#include "libopenbios/aout_load.h" +#endif + +#ifdef CONFIG_LOADER_FCODE +#include "libopenbios/fcode_load.h" +#endif + +#ifdef CONFIG_LOADER_FORTH +#include "libopenbios/forth_load.h" +#endif + +#ifdef CONFIG_LOADER_BOOTCODE +#include "libopenbios/bootcode_load.h" +#endif + + +struct sys_info sys_info; +void *elf_boot_notes = NULL; + +/* ( addr -- size ) */ + +void load(ihandle_t dev) +{ + /* Invoke the loaders on the specified device */ + char *param; + ucell valid; + + /* TODO: Currently the internal loader APIs use load-base directly, so + drop the address */ + POP(); + +#ifdef CONFIG_LOADER_ELF + + /* Grab the boot arguments */ + push_str("bootargs"); + push_str("/chosen"); + fword("(find-dev)"); + POP(); + fword("get-package-property"); + POP(); + param = pop_fstr_copy(); + + elf_load(&sys_info, dev, param, &elf_boot_notes); + feval("state-valid @"); + valid = POP(); + if (valid) { + feval("saved-program-state >sps.file-size @"); + return; + } +#endif + +#ifdef CONFIG_LOADER_AOUT + aout_load(&sys_info, dev); + feval("state-valid @"); + valid = POP(); + if (valid) { + feval("saved-program-state >sps.file-size @"); + return; + } +#endif + +#ifdef CONFIG_LOADER_FCODE + fcode_load(dev); + feval("state-valid @"); + valid = POP(); + if (valid) { + feval("saved-program-state >sps.file-size @"); + return; + } +#endif + +#ifdef CONFIG_LOADER_FORTH + forth_load(dev); + feval("state-valid @"); + valid = POP(); + if (valid) { + feval("saved-program-state >sps.file-size @"); + return; + } +#endif + +#ifdef CONFIG_LOADER_BOOTCODE + /* Check for a "raw" %BOOT bootcode payload */ + bootcode_load(dev); + feval("state-valid @"); + valid = POP(); + if (valid) { + feval("saved-program-state >sps.file-size @"); + return; + } +#endif + + /* Didn't load anything, so return zero size */ + PUSH(0); +}