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Annotation of qemu/hw/r2d.c, revision 1.1.1.1

1.1       root        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(int 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: };

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