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Annotation of qemu/hw/r2d.c, revision 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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