rm -f $@
cp $(obj)/coreboot.pre1 $@
$(CBFSTOOL) $@ add-stage $(obj)/romstage.elf \
- $(CONFIG_CBFS_PREFIX)/romstage x 0x$(shell cat $(obj)/location.txt)
+ $(CONFIG_CBFS_PREFIX)/romstage x 0x$(shell cat $(obj)/location.txt)
#FIXME: location.txt might require an offset of header size
#######################################################################
*(.eh_frame);
}
+ . = CONFIG_DCACHE_RAM_BASE;
+ .car.data . (NOLOAD) : {
+ *(.car.global_data);
+ *(.car.cbmem_console);
+ }
+
+ _bogus = ASSERT((SIZEOF(.car.data) <= CONFIG_DCACHE_RAM_SIZE), "Cache as RAM area is too full");
_bogus = ASSERT((SIZEOF(.bss) + SIZEOF(.data)) == 0 || CONFIG_CPU_AMD_AGESA, "Do not use global variables in romstage");
}
--- /dev/null
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#ifndef CPU_X86_CAR_H
+#define CPU_X86_CAR_H
+
+#ifdef __PRE_RAM__
+#define CAR_GLOBAL __attribute__((section(".car.global_data,\"w\",@nobits#")))
+#define CAR_CBMEM __attribute__((section(".car.cbmem_console,\"w\",@nobits#")))
+#else
+#define CAR_GLOBAL
+#define CAR_CBMEM
+#endif
+
+#endif
#include <console/console.h>
#include <cbmem.h>
+#include <cpu/x86/car.h>
#include <string.h>
/*
* ram space is used for the console buffer storage. The size and location of
* the area are defined in the config.
*/
-#define cbmem_console_p ((struct cbmem_console *)CONFIG_DCACHE_RAM_BASE)
+
+static struct cbmem_console car_cbmem_console CAR_CBMEM;
+#define cbmem_console_p (&car_cbmem_console)
/*
* Once DRAM is initialized and the cache as ram mode is disabled, while still
* DCACHE_RAM_BASE), use the redirect pointer to find out where the
* actual console buffer is.
*/
- if ((u32)&cursor < (u32)CONFIG_DCACHE_RAM_BASE)
+ if ((uintptr_t)&cursor < (uintptr_t)&car_cbmem_console)
cbm_cons_p = CBMEM_CONSOLE_REDIRECT;
#endif
if (!cbm_cons_p)