Update from 2013.01 to 2013.07

[karo-tx-uboot.git] / arch / x86 / lib / zimage.c

diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index 46af391f29f2a82baebd91acf6e55d638dc7524b..1dab3cc78878dcea322d1685f0df0ed388f7a70c 100644 (file)
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -3,23 +3,7 @@
  * (C) Copyright 2002
  * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -33,7 +17,6 @@
 #include <asm/io.h>
 #include <asm/ptrace.h>
 #include <asm/zimage.h>
-#include <asm/realmode.h>
 #include <asm/byteorder.h>
 #include <asm/bootparam.h>
 #ifdef CONFIG_SYS_COREBOOT
@@ -175,16 +158,9 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
        else
                *load_address = (void *)ZIMAGE_LOAD_ADDR;
 
-#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)
        printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
        memset(setup_base, 0, sizeof(*setup_base));
        setup_base->hdr = params->hdr;
-#else
-       /* load setup */
-       printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n",
-              (ulong)setup_base, setup_size);
-       memmove(setup_base, image, setup_size);
-#endif
 
        if (bootproto >= 0x0204)
                kernel_size = hdr->syssize * 16;
@@ -241,10 +217,8 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
        struct setup_header *hdr = &setup_base->hdr;
        int bootproto = get_boot_protocol(hdr);
 
-#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)
        setup_base->e820_entries = install_e820_map(
                ARRAY_SIZE(setup_base->e820_map), setup_base->e820_map);
-#endif
 
        if (bootproto == 0x0100) {
                setup_base->screen_info.cl_magic = COMMAND_LINE_MAGIC;
@@ -293,6 +267,13 @@ __weak void board_final_cleanup(void)
 
 void boot_zimage(void *setup_base, void *load_address)
 {
+       debug("## Transferring control to Linux (at address %08x) ...\n",
+             (u32)setup_base);
+
+       bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
+#ifdef CONFIG_BOOTSTAGE_REPORT
+       bootstage_report();
+#endif
        board_final_cleanup();
 
        printf("\nStarting kernel ...\n\n");
@@ -300,7 +281,6 @@ void boot_zimage(void *setup_base, void *load_address)
 #ifdef CONFIG_SYS_COREBOOT
        timestamp_add_now(TS_U_BOOT_START_KERNEL);
 #endif
-#if defined CONFIG_ZBOOT_32
        /*
         * Set %ebx, %ebp, and %edi to 0, %esi to point to the boot_params
         * structure, and then jump to the kernel. We assume that %cs is
@@ -317,18 +297,6 @@ void boot_zimage(void *setup_base, void *load_address)
           "b"(0), "D"(0)
        :  "%ebp"
        );
-#else
-       struct pt_regs regs;
-
-       memset(&regs, 0, sizeof(struct pt_regs));
-       regs.xds = (u32)setup_base >> 4;
-       regs.xes = regs.xds;
-       regs.xss = regs.xds;
-       regs.esp = 0x9000;
-       regs.eflags = 0;
-       enter_realmode(((u32)setup_base + SETUP_START_OFFSET) >> 4, 0,
-                      &regs, &regs);
-#endif
 }
 
 void setup_pcat_compatibility(void)
@@ -386,10 +354,6 @@ int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
                return -1;
        }
 
-       printf("## Transferring control to Linux "
-              "(at address %08x) ...\n",
-              (u32)base_ptr);
-
        /* we assume that the kernel is in place */
        boot_zimage(base_ptr, load_address);
        /* does not return */