mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
ce9efe061a
Instead of having different structures for loading ramstage and payload align to using struct prog. This also removes arch_payload_run() in favor of the prog_run() interface. Change-Id: I31483096094eacc713a7433811cd69cc5621c43e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/8849 Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/cache.h>
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#include <arch/lib_helpers.h>
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#include <arch/secmon.h>
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#include <arch/stages.h>
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#include <arch/spintable.h>
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#include <arch/transition.h>
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#include <console/console.h>
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#include <program_loading.h>
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#include <rules.h>
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#include <string.h>
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static void run_payload(struct prog *prog)
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{
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void (*doit)(void *);
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void *arg;
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doit = prog_entry(prog);
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arg = prog_entry_arg(prog);
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uint8_t current_el = get_current_el();
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printk(BIOS_SPEW, "entry = %p\n", doit);
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secmon_run(doit, arg);
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/* Start the other CPUs spinning. */
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spintable_start();
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/* If current EL is not EL3, jump to payload at same EL. */
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if (current_el != EL3) {
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cache_sync_instructions();
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/* Point of no-return */
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doit(arg);
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}
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/* If current EL is EL3, we transition to payload in EL2. */
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struct exc_state exc_state;
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memset(&exc_state, 0, sizeof(exc_state));
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exc_state.elx.spsr = get_eret_el(EL2, SPSR_USE_L);
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cache_sync_instructions();
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transition_with_entry(doit, arg, &exc_state);
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}
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void arch_prog_run(struct prog *prog)
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{
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void (*doit)(void *);
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void *arg;
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if (ENV_RAMSTAGE && prog->type == PROG_PAYLOAD)
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run_payload(prog);
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return;
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doit = prog_entry(prog);
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arg = prog_entry_arg(prog);
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doit(prog_entry_arg(prog));
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}
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