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Annotation of qemu/hw/shix.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * SHIX 2.0 board description
        !             3:  * 
        !             4:  * Copyright (c) 2005 Samuel Tardieu
        !             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:    Shix 2.0 board by Alexis Polti, described at
        !            26:    http://perso.enst.fr/~polti/realisations/shix20/
        !            27: 
        !            28:    More information in target-sh4/README.sh4
        !            29: */
        !            30: #include "vl.h"
        !            31: 
        !            32: #define BIOS_FILENAME "shix_bios.bin"
        !            33: #define BIOS_ADDRESS 0xA0000000
        !            34: 
        !            35: void DMA_run(void)
        !            36: {
        !            37:     /* XXXXX */
        !            38: }
        !            39: 
        !            40: void irq_info(void)
        !            41: {
        !            42:     /* XXXXX */
        !            43: }
        !            44: 
        !            45: void pic_set_irq(int irq, int level)
        !            46: {
        !            47:     /* XXXXX */
        !            48: }
        !            49: 
        !            50: void pic_info()
        !            51: {
        !            52:     /* XXXXX */
        !            53: }
        !            54: 
        !            55: void vga_update_display()
        !            56: {
        !            57:     /* XXXXX */
        !            58: }
        !            59: 
        !            60: void vga_invalidate_display()
        !            61: {
        !            62:     /* XXXXX */
        !            63: }
        !            64: 
        !            65: void vga_screen_dump(const char *filename)
        !            66: {
        !            67:     /* XXXXX */
        !            68: }
        !            69: 
        !            70: void shix_init(int ram_size, int vga_ram_size, int boot_device,
        !            71:               DisplayState * ds, const char **fd_filename, int snapshot,
        !            72:               const char *kernel_filename, const char *kernel_cmdline,
        !            73:               const char *initrd_filename)
        !            74: {
        !            75:     int ret;
        !            76:     CPUState *env;
        !            77:     struct SH7750State *s;
        !            78: 
        !            79:     printf("Initializing CPU\n");
        !            80:     env = cpu_init();
        !            81: 
        !            82:     /* Allocate memory space */
        !            83:     printf("Allocating ROM\n");
        !            84:     cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM);
        !            85:     printf("Allocating SDRAM 1\n");
        !            86:     cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
        !            87:     printf("Allocating SDRAM 2\n");
        !            88:     cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
        !            89: 
        !            90:     /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
        !            91:     printf("%s: load BIOS '%s'\n", __func__, BIOS_FILENAME);
        !            92:     ret = load_image(BIOS_FILENAME, phys_ram_base);
        !            93:     if (ret < 0) {             /* Check bios size */
        !            94:        fprintf(stderr, "ret=%d\n", ret);
        !            95:        fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
        !            96:                BIOS_FILENAME);
        !            97:        exit(1);
        !            98:     }
        !            99: 
        !           100:     /* Register peripherals */
        !           101:     s = sh7750_init(env);
        !           102:     /* XXXXX Check success */
        !           103:     tc58128_init(s, "shix_linux_nand.bin", NULL);
        !           104:     fprintf(stderr, "initialization terminated\n");
        !           105: }
        !           106: 
        !           107: QEMUMachine shix_machine = {
        !           108:     "shix",
        !           109:     "shix card",
        !           110:     shix_init
        !           111: };

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