hw/r2d.c

   1 /*
   2  * Renesas SH7751R R2D-PLUS emulation
   3  *
   4  * Copyright (c) 2007 Magnus Damm
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "hw.h"
  26 #include "sh.h"
  27 #include "sysemu.h"
  28 #include "boards.h"
  29
  30 #define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */
  31 #define SDRAM_SIZE 0x04000000
  32
  33 static void r2d_init(ram_addr_t ram_size, int vga_ram_size,
  34               const char *boot_device, DisplayState * ds,
  35               const char *kernel_filename, const char *kernel_cmdline,
  36               const char *initrd_filename, const char *cpu_model)
  37 {
  38     CPUState *env;
  39     struct SH7750State *s;
  40
  41     if (!cpu_model)
  42         cpu_model = "any";
  43
  44     env = cpu_init(cpu_model);
  45     if (!env) {
  46         fprintf(stderr, "Unable to find CPU definition\n");
  47         exit(1);
  48     }
  49
  50     /* Allocate memory space */
  51     cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, 0);
  52     /* Register peripherals */
  53     s = sh7750_init(env);
  54     /* Todo: register on board registers */
  55     {
  56       int kernel_size;
  57
  58       kernel_size = load_image(kernel_filename, phys_ram_base);
  59
  60       if (kernel_size < 0) {
  61         fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
  62         exit(1);
  63       }
  64
  65       env->pc = SDRAM_BASE | 0xa0000000; /* Start from P2 area */
  66     }
  67 }
  68
  69 QEMUMachine r2d_machine = {
  70     "r2d",
  71     "r2d-plus board",
  72     r2d_init,
  73     SDRAM_SIZE | RAMSIZE_FIXED
  74 };