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Re: [Qemu-devel] [PATCH 1/3] sh: SE7750 board definition
From: |
Edgar E. Iglesias |
Subject: |
Re: [Qemu-devel] [PATCH 1/3] sh: SE7750 board definition |
Date: |
Sun, 11 Jan 2009 13:57:14 +0100 |
User-agent: |
Mutt/1.5.16 (2007-06-09) |
On Sun, Jan 11, 2009 at 06:10:22PM +0900, Shin-ichiro KAWASAKI wrote:
> This patch simply provides basic SE7750 board definition.
This looks good to me.
> Signed-off-by: Shin-ichiro KAWASAKI <address@hidden>
Acked-by: Edgar E. Iglesias <address@hidden>
>
> Index: trunk/target-sh4/machine.c
> ===================================================================
> --- trunk/target-sh4/machine.c (revision 6133)
> +++ trunk/target-sh4/machine.c (working copy)
> @@ -5,4 +5,5 @@
> {
> qemu_register_machine(&shix_machine);
> qemu_register_machine(&r2d_machine);
> + qemu_register_machine(&se7750_machine);
> }
> Index: trunk/target-sh4/translate.c
> ===================================================================
> --- trunk/target-sh4/translate.c (revision 6133)
> +++ trunk/target-sh4/translate.c (working copy)
> @@ -212,6 +212,12 @@
>
> static sh4_def_t sh4_defs[] = {
> {
> + .name = "SH7750",
> + .id = SH_CPU_SH7750,
> + .pvr = 0x04020500,
> + .prr = 0x00000000,
> + .cvr = 0x00000000,
> + }, {
> .name = "SH7750R",
> .id = SH_CPU_SH7750R,
> .pvr = 0x00050000,
> Index: trunk/Makefile.target
> ===================================================================
> --- trunk/Makefile.target (revision 6133)
> +++ trunk/Makefile.target (working copy)
> @@ -719,7 +719,7 @@
> CPPFLAGS += -DHAS_AUDIO
> endif
> ifeq ($(TARGET_BASE_ARCH), sh4)
> -OBJS+= shix.o r2d.o sh7750.o sh7750_regnames.o tc58128.o
> +OBJS+= shix.o r2d.o se.o sh7750.o sh7750_regnames.o tc58128.o
> OBJS+= sh_timer.o ptimer.o sh_serial.o sh_intc.o sh_pci.o sm501.o serial.o
> OBJS+= ide.o
> endif
> Index: trunk/hw/se.c
> ===================================================================
> --- trunk/hw/se.c (revision 0)
> +++ trunk/hw/se.c (revision 0)
> @@ -0,0 +1,94 @@
> +/*
> + * Hitachi ULSI Systems' evaludation boards, Solution Engine emulation.
> + *
> + * Copyright (c) 2008 Shin-ichiro KAWASAKI
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> copy
> + * of this software and associated documentation files (the "Software"), to
> deal
> + * in the Software without restriction, including without limitation the
> rights
> + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> + * copies of the Software, and to permit persons to whom the Software is
> + * furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> FROM,
> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> + * THE SOFTWARE.
> + */
> +
> +#include "hw.h"
> +#include "sh.h"
> +#include "sysemu.h"
> +#include "boards.h"
> +#include "sh7750_regs.h"
> +
> +#define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */
> +#define SDRAM_SIZE 0x02000000
> +#define ENTRY_OFFSET 0x00001000
> +#define COMMAND_LINE_OFFSET 0x0000100
> +
> +static void se7750_init(ram_addr_t ram_size, int vga_ram_size,
> + const char *boot_device, DisplayState * ds,
> + const char *kernel_filename, const char *kernel_cmdline,
> + const char *initrd_filename, const char *cpu_model)
> +{
> + CPUState *env;
> + struct SH7750State *s;
> + ram_addr_t sdram_addr;
> + int kernel_size;
> + uint8 * phys_load_addr = phys_ram_base;
> +
> + /* initialize CPU */
> + if (!cpu_model)
> + cpu_model = "SH7750";
> +
> + env = cpu_init(cpu_model);
> + if (!env) {
> + fprintf(stderr, "Unable to find CPU definition\n");
> + exit(1);
> + }
> +
> + /* Allocate memory space */
> + sdram_addr = qemu_ram_alloc(SDRAM_SIZE);
> + cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, sdram_addr);
> +
> + /* Register peripherals */
> + s = sh7750_init(env);
> +
> + /* initialization which should be done by firmware */
> + uint32_t bcr1 = 1 << 3; /* cs3 SDRAM */
> + uint16_t bcr2 = 3 << (3 * 2); /* cs3 32-bit */
> + cpu_physical_memory_write(SH7750_BCR1_A7, (uint8_t *)&bcr1, 4);
> + cpu_physical_memory_write(SH7750_BCR2_A7, (uint8_t *)&bcr2, 2);
> +
> + /* Start from P2 area */
> + env->pc = SDRAM_BASE | 0xa0000000;
> +
> + /* pass kernel cmdline */
> + if (kernel_cmdline) {
> + pstrcpy((char *)phys_load_addr + ENTRY_OFFSET + COMMAND_LINE_OFFSET,
> + strlen(kernel_cmdline) + 1, kernel_cmdline);
> + env->pc += 0x80000;
> + phys_load_addr += 0x80000;
> + }
> +
> + /* load kernel image */
> + kernel_size = load_image(kernel_filename, phys_load_addr);
> + if (kernel_size < 0) {
> + fprintf(stderr, "qemu: could not load kernel '%s'\n",
> kernel_filename);
> + exit(1);
> + }
> +}
> +
> +QEMUMachine se7750_machine = {
> + .name = "se7750",
> + .desc = "Solution Engine SH7750 board",
> + .init = se7750_init,
> + .ram_require = SDRAM_SIZE | RAMSIZE_FIXED,
> +};
> Index: trunk/hw/boards.h
> ===================================================================
> --- trunk/hw/boards.h (revision 6133)
> +++ trunk/hw/boards.h (working copy)
> @@ -60,6 +60,9 @@
> /* r2d.c */
> extern QEMUMachine r2d_machine;
>
> +/* se.c */
> +extern QEMUMachine se7750_machine;
> +
> /* sun4m.c */
> extern QEMUMachine ss5_machine, ss10_machine, ss600mp_machine, ss20_machine;
> extern QEMUMachine voyager_machine, ss_lx_machine, ss4_machine, scls_machine;
>