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https://gitlab.com/qemu-project/qemu
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b2097003ec
Introduce a max_cpus per-machine variable, allowing individual boards to limit it's number of CPUs. Check requested number of CPUs in setup code and exit if it exceeds the supported number for the machine. This also renders the static MAX_CPUS check obsolete, so remove this from vl.c. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5443 c046a42c-6fe2-441c-8c8c-71466251a162
139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
/*
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* Gumstix Platforms
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*
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* Copyright (c) 2007 by Thorsten Zitterell <info@bitmux.org>
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*
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* Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
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*
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* This code is licensed under the GNU GPL v2.
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*/
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/*
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* Example usage:
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*
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* connex:
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* =======
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* create image:
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* # dd of=flash bs=1k count=16k if=/dev/zero
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* # dd of=flash bs=1k conv=notrunc if=u-boot.bin
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* # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
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* start it:
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* # qemu-system-arm -M connex -pflash flash -monitor null -nographic
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*
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* verdex:
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* =======
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* create image:
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* # dd of=flash bs=1k count=32k if=/dev/zero
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* # dd of=flash bs=1k conv=notrunc if=u-boot.bin
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* # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
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* # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage
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* start it:
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* # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289
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*/
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#include "hw.h"
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#include "pxa.h"
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#include "net.h"
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#include "flash.h"
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#include "sysemu.h"
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#include "devices.h"
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#include "boards.h"
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static const int sector_len = 128 * 1024;
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static void connex_init(ram_addr_t ram_size, int vga_ram_size,
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const char *boot_device, DisplayState *ds,
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const char *kernel_filename, const char *kernel_cmdline,
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const char *initrd_filename, const char *cpu_model)
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{
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struct pxa2xx_state_s *cpu;
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int index;
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uint32_t connex_rom = 0x01000000;
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uint32_t connex_ram = 0x04000000;
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if (ram_size < (connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE)) {
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fprintf(stderr, "This platform requires %i bytes of memory\n",
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connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE);
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exit(1);
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}
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cpu = pxa255_init(connex_ram, ds);
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index = drive_get_index(IF_PFLASH, 0, 0);
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if (index == -1) {
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fprintf(stderr, "A flash image must be given with the "
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"'pflash' parameter\n");
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exit(1);
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}
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if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(connex_rom),
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drives_table[index].bdrv, sector_len, connex_rom / sector_len,
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2, 0, 0, 0, 0)) {
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fprintf(stderr, "qemu: Error registering flash memory.\n");
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exit(1);
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}
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cpu->env->regs[15] = 0x00000000;
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/* Interrupt line of NIC is connected to GPIO line 36 */
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smc91c111_init(&nd_table[0], 0x04000300,
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pxa2xx_gpio_in_get(cpu->gpio)[36]);
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}
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static void verdex_init(ram_addr_t ram_size, int vga_ram_size,
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const char *boot_device, DisplayState *ds,
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const char *kernel_filename, const char *kernel_cmdline,
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const char *initrd_filename, const char *cpu_model)
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{
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struct pxa2xx_state_s *cpu;
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int index;
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uint32_t verdex_rom = 0x02000000;
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uint32_t verdex_ram = 0x10000000;
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if (ram_size < (verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE)) {
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fprintf(stderr, "This platform requires %i bytes of memory\n",
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verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE);
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exit(1);
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}
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cpu = pxa270_init(verdex_ram, ds, cpu_model ?: "pxa270-c0");
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index = drive_get_index(IF_PFLASH, 0, 0);
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if (index == -1) {
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fprintf(stderr, "A flash image must be given with the "
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"'pflash' parameter\n");
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exit(1);
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}
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if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(verdex_rom),
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drives_table[index].bdrv, sector_len, verdex_rom / sector_len,
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2, 0, 0, 0, 0)) {
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fprintf(stderr, "qemu: Error registering flash memory.\n");
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exit(1);
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}
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cpu->env->regs[15] = 0x00000000;
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/* Interrupt line of NIC is connected to GPIO line 99 */
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smc91c111_init(&nd_table[0], 0x04000300,
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pxa2xx_gpio_in_get(cpu->gpio)[99]);
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}
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QEMUMachine connex_machine = {
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.name = "connex",
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.desc = "Gumstix Connex (PXA255)",
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.init = connex_init,
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.ram_require = (0x05000000 + PXA2XX_INTERNAL_SIZE) | RAMSIZE_FIXED,
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.max_cpus = 1,
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};
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QEMUMachine verdex_machine = {
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.name = "verdex",
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.desc = "Gumstix Verdex (PXA270)",
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.init = verdex_init,
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.ram_require = (0x12000000 + PXA2XX_INTERNAL_SIZE) | RAMSIZE_FIXED,
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.max_cpus = 1,
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};
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