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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/arm/raspi.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/arm/raspi.c')
-rw-r--r--qemu/hw/arm/raspi.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/qemu/hw/arm/raspi.c b/qemu/hw/arm/raspi.c
deleted file mode 100644
index 2b295f14c..000000000
--- a/qemu/hw/arm/raspi.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Raspberry Pi emulation (c) 2012 Gregory Estrade
- * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
- *
- * Rasperry Pi 2 emulation Copyright (c) 2015, Microsoft
- * Written by Andrew Baumann
- *
- * This code is licensed under the GNU GPLv2 and later.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "cpu.h"
-#include "hw/arm/bcm2836.h"
-#include "qemu/error-report.h"
-#include "hw/boards.h"
-#include "hw/loader.h"
-#include "hw/arm/arm.h"
-#include "sysemu/sysemu.h"
-
-#define SMPBOOT_ADDR 0x300 /* this should leave enough space for ATAGS */
-#define MVBAR_ADDR 0x400 /* secure vectors */
-#define BOARDSETUP_ADDR (MVBAR_ADDR + 0x20) /* board setup code */
-#define FIRMWARE_ADDR 0x8000 /* Pi loads kernel.img here by default */
-
-/* Table of Linux board IDs for different Pi versions */
-static const int raspi_boardid[] = {[1] = 0xc42, [2] = 0xc43};
-
-typedef struct RasPiState {
- BCM2836State soc;
- MemoryRegion ram;
-} RasPiState;
-
-static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
-{
- static const uint32_t smpboot[] = {
- 0xe1a0e00f, /* mov lr, pc */
- 0xe3a0fe00 + (BOARDSETUP_ADDR >> 4), /* mov pc, BOARDSETUP_ADDR */
- 0xee100fb0, /* mrc p15, 0, r0, c0, c0, 5;get core ID */
- 0xe7e10050, /* ubfx r0, r0, #0, #2 ;extract LSB */
- 0xe59f5014, /* ldr r5, =0x400000CC ;load mbox base */
- 0xe320f001, /* 1: yield */
- 0xe7953200, /* ldr r3, [r5, r0, lsl #4] ;read mbox for our core*/
- 0xe3530000, /* cmp r3, #0 ;spin while zero */
- 0x0afffffb, /* beq 1b */
- 0xe7853200, /* str r3, [r5, r0, lsl #4] ;clear mbox */
- 0xe12fff13, /* bx r3 ;jump to target */
- 0x400000cc, /* (constant: mailbox 3 read/clear base) */
- };
-
- /* check that we don't overrun board setup vectors */
- QEMU_BUILD_BUG_ON(SMPBOOT_ADDR + sizeof(smpboot) > MVBAR_ADDR);
- /* check that board setup address is correctly relocated */
- QEMU_BUILD_BUG_ON((BOARDSETUP_ADDR & 0xf) != 0
- || (BOARDSETUP_ADDR >> 4) >= 0x100);
-
- rom_add_blob_fixed("raspi_smpboot", smpboot, sizeof(smpboot),
- info->smp_loader_start);
-}
-
-static void write_board_setup(ARMCPU *cpu, const struct arm_boot_info *info)
-{
- arm_write_secure_board_setup_dummy_smc(cpu, info, MVBAR_ADDR);
-}
-
-static void reset_secondary(ARMCPU *cpu, const struct arm_boot_info *info)
-{
- CPUState *cs = CPU(cpu);
- cpu_set_pc(cs, info->smp_loader_start);
-}
-
-static void setup_boot(MachineState *machine, int version, size_t ram_size)
-{
- static struct arm_boot_info binfo;
- int r;
-
- binfo.board_id = raspi_boardid[version];
- binfo.ram_size = ram_size;
- binfo.nb_cpus = smp_cpus;
- binfo.board_setup_addr = BOARDSETUP_ADDR;
- binfo.write_board_setup = write_board_setup;
- binfo.secure_board_setup = true;
- binfo.secure_boot = true;
-
- /* Pi2 requires SMP setup */
- if (version == 2) {
- binfo.smp_loader_start = SMPBOOT_ADDR;
- binfo.write_secondary_boot = write_smpboot;
- binfo.secondary_cpu_reset_hook = reset_secondary;
- }
-
- /* If the user specified a "firmware" image (e.g. UEFI), we bypass
- * the normal Linux boot process
- */
- if (machine->firmware) {
- /* load the firmware image (typically kernel.img) */
- r = load_image_targphys(machine->firmware, FIRMWARE_ADDR,
- ram_size - FIRMWARE_ADDR);
- if (r < 0) {
- error_report("Failed to load firmware from %s", machine->firmware);
- exit(1);
- }
-
- binfo.entry = FIRMWARE_ADDR;
- binfo.firmware_loaded = true;
- } else {
- binfo.kernel_filename = machine->kernel_filename;
- binfo.kernel_cmdline = machine->kernel_cmdline;
- binfo.initrd_filename = machine->initrd_filename;
- }
-
- arm_load_kernel(ARM_CPU(first_cpu), &binfo);
-}
-
-static void raspi2_init(MachineState *machine)
-{
- RasPiState *s = g_new0(RasPiState, 1);
- uint32_t vcram_size;
- DriveInfo *di;
- BlockBackend *blk;
- BusState *bus;
- DeviceState *carddev;
-
- object_initialize(&s->soc, sizeof(s->soc), TYPE_BCM2836);
- object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
- &error_abort);
-
- /* Allocate and map RAM */
- memory_region_allocate_system_memory(&s->ram, OBJECT(machine), "ram",
- machine->ram_size);
- /* FIXME: Remove when we have custom CPU address space support */
- memory_region_add_subregion_overlap(get_system_memory(), 0, &s->ram, 0);
-
- /* Setup the SOC */
- object_property_add_const_link(OBJECT(&s->soc), "ram", OBJECT(&s->ram),
- &error_abort);
- object_property_set_int(OBJECT(&s->soc), smp_cpus, "enabled-cpus",
- &error_abort);
- object_property_set_int(OBJECT(&s->soc), 0xa21041, "board-rev",
- &error_abort);
- object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_abort);
-
- /* Create and plug in the SD cards */
- di = drive_get_next(IF_SD);
- blk = di ? blk_by_legacy_dinfo(di) : NULL;
- bus = qdev_get_child_bus(DEVICE(&s->soc), "sd-bus");
- if (bus == NULL) {
- error_report("No SD bus found in SOC object");
- exit(1);
- }
- carddev = qdev_create(bus, TYPE_SD_CARD);
- qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
- object_property_set_bool(OBJECT(carddev), true, "realized", &error_fatal);
-
- vcram_size = object_property_get_int(OBJECT(&s->soc), "vcram-size",
- &error_abort);
- setup_boot(machine, 2, machine->ram_size - vcram_size);
-}
-
-static void raspi2_machine_init(MachineClass *mc)
-{
- mc->desc = "Raspberry Pi 2";
- mc->init = raspi2_init;
- mc->block_default_type = IF_SD;
- mc->no_parallel = 1;
- mc->no_floppy = 1;
- mc->no_cdrom = 1;
- mc->max_cpus = BCM2836_NCPUS;
- mc->default_ram_size = 1024 * 1024 * 1024;
-};
-DEFINE_MACHINE("raspi2", raspi2_machine_init)