Commit 16406950 authored by pbrook's avatar pbrook
Browse files

Add nominal ARM Versatil/AB board emulation.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1864 c046a42c-6fe2-441c-8c8c-71466251a162
parent 008a8818
......@@ -346,7 +346,7 @@ endif
endif
ifeq ($(TARGET_BASE_ARCH), arm)
VL_OBJS+= integratorcp.o versatilepb.o ps2.o smc91c111.o arm_pic.o arm_timer.o
VL_OBJS+= pl011.o pl050.o pl080.o pl110.o pl190.o
VL_OBJS+= arm_boot.o pl011.o pl050.o pl080.o pl110.o pl190.o
endif
ifeq ($(TARGET_BASE_ARCH), sh4)
VL_OBJS+= shix.o sh7750.o sh7750_regnames.o tc58128.o
......
/*
* ARM kernel loader.
*
* Copyright (c) 2006 CodeSourcery.
* Written by Paul Brook
*
* This code is licenced under the GPL.
*/
#include "vl.h"
#define KERNEL_ARGS_ADDR 0x100
#define KERNEL_LOAD_ADDR 0x00010000
#define INITRD_LOAD_ADDR 0x00800000
/* The worlds second smallest bootloader. Set r0-r2, then jump to kernel. */
static uint32_t bootloader[] = {
0xe3a00000, /* mov r0, #0 */
0xe3a01000, /* mov r1, #0x?? */
0xe3811c00, /* orr r1, r1, #0x??00 */
0xe59f2000, /* ldr r2, [pc, #0] */
0xe59ff000, /* ldr pc, [pc, #0] */
0, /* Address of kernel args. Set by integratorcp_init. */
0 /* Kernel entry point. Set by integratorcp_init. */
};
static void set_kernel_args(uint32_t ram_size, int initrd_size,
const char *kernel_cmdline)
{
uint32_t *p;
p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR);
/* ATAG_CORE */
stl_raw(p++, 5);
stl_raw(p++, 0x54410001);
stl_raw(p++, 1);
stl_raw(p++, 0x1000);
stl_raw(p++, 0);
/* ATAG_MEM */
stl_raw(p++, 4);
stl_raw(p++, 0x54410002);
stl_raw(p++, ram_size);
stl_raw(p++, 0);
if (initrd_size) {
/* ATAG_INITRD2 */
stl_raw(p++, 4);
stl_raw(p++, 0x54420005);
stl_raw(p++, INITRD_LOAD_ADDR);
stl_raw(p++, initrd_size);
}
if (kernel_cmdline && *kernel_cmdline) {
/* ATAG_CMDLINE */
int cmdline_size;
cmdline_size = strlen(kernel_cmdline);
memcpy (p + 2, kernel_cmdline, cmdline_size + 1);
cmdline_size = (cmdline_size >> 2) + 1;
stl_raw(p++, cmdline_size + 2);
stl_raw(p++, 0x54410009);
p += cmdline_size;
}
/* ATAG_END */
stl_raw(p++, 0);
stl_raw(p++, 0);
}
void arm_load_kernel(int ram_size, const char *kernel_filename,
const char *kernel_cmdline, const char *initrd_filename,
int board_id)
{
int kernel_size;
int initrd_size;
int n;
/* Load the kernel. */
if (!kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
kernel_size = load_image(kernel_filename,
phys_ram_base + KERNEL_LOAD_ADDR);
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
exit(1);
}
if (initrd_filename) {
initrd_size = load_image(initrd_filename,
phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
fprintf(stderr, "qemu: could not load initrd '%s'\n",
initrd_filename);
exit(1);
}
} else {
initrd_size = 0;
}
bootloader[1] |= board_id & 0xff;
bootloader[2] |= (board_id >> 8) & 0xff;
bootloader[5] = KERNEL_ARGS_ADDR;
bootloader[6] = KERNEL_LOAD_ADDR;
for (n = 0; n < sizeof(bootloader) / 4; n++)
stl_raw(phys_ram_base + (n * 4), bootloader[n]);
set_kernel_args(ram_size, initrd_size, kernel_cmdline);
}
......@@ -10,10 +10,6 @@
#include "vl.h"
#include "arm_pic.h"
#define KERNEL_ARGS_ADDR 0x100
#define KERNEL_LOAD_ADDR 0x00010000
#define INITRD_LOAD_ADDR 0x00800000
void DMA_run (void)
{
}
......@@ -470,57 +466,6 @@ static void icp_control_init(uint32_t base)
}
/* The worlds second smallest bootloader. Set r0-r2, then jump to kernel. */
static uint32_t bootloader[] = {
0xe3a00000, /* mov r0, #0 */
0xe3a01013, /* mov r1, #0x13 */
0xe3811c01, /* orr r1, r1, #0x100 */
0xe59f2000, /* ldr r2, [pc, #0] */
0xe59ff000, /* ldr pc, [pc, #0] */
0, /* Address of kernel args. Set by integratorcp_init. */
0 /* Kernel entry point. Set by integratorcp_init. */
};
static void set_kernel_args(uint32_t ram_size, int initrd_size,
const char *kernel_cmdline)
{
uint32_t *p;
p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR);
/* ATAG_CORE */
stl_raw(p++, 5);
stl_raw(p++, 0x54410001);
stl_raw(p++, 1);
stl_raw(p++, 0x1000);
stl_raw(p++, 0);
/* ATAG_MEM */
stl_raw(p++, 4);
stl_raw(p++, 0x54410002);
stl_raw(p++, ram_size);
stl_raw(p++, 0);
if (initrd_size) {
/* ATAG_INITRD2 */
stl_raw(p++, 4);
stl_raw(p++, 0x54420005);
stl_raw(p++, INITRD_LOAD_ADDR);
stl_raw(p++, initrd_size);
}
if (kernel_cmdline && *kernel_cmdline) {
/* ATAG_CMDLINE */
int cmdline_size;
cmdline_size = strlen(kernel_cmdline);
memcpy (p + 2, kernel_cmdline, cmdline_size + 1);
cmdline_size = (cmdline_size >> 2) + 1;
stl_raw(p++, cmdline_size + 2);
stl_raw(p++, 0x54410009);
p += cmdline_size;
}
/* ATAG_END */
stl_raw(p++, 0);
stl_raw(p++, 0);
}
/* Board init. */
static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
......@@ -532,9 +477,6 @@ static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
uint32_t bios_offset;
icp_pic_state *pic;
void *cpu_pic;
int kernel_size;
int initrd_size;
int n;
env = cpu_init();
cpu_arm_set_model(env, cpuid);
......@@ -567,33 +509,8 @@ static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
}
pl110_init(ds, 0xc0000000, pic, 22, 0);
/* Load the kernel. */
if (!kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
kernel_size = load_image(kernel_filename,
phys_ram_base + KERNEL_LOAD_ADDR);
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
exit(1);
}
if (initrd_filename) {
initrd_size = load_image(initrd_filename,
phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
fprintf(stderr, "qemu: could not load initrd '%s'\n",
initrd_filename);
exit(1);
}
} else {
initrd_size = 0;
}
bootloader[5] = KERNEL_ARGS_ADDR;
bootloader[6] = KERNEL_LOAD_ADDR;
for (n = 0; n < sizeof(bootloader) / 4; n++)
stl_raw(phys_ram_base + (n * 4), bootloader[n]);
set_kernel_args(ram_size, initrd_size, kernel_cmdline);
arm_load_kernel(ram_size, kernel_filename, kernel_cmdline,
initrd_filename, 0x113);
}
static void integratorcp926_init(int ram_size, int vga_ram_size,
......
/*
* ARM Versatile Platform Baseboard System emulation.
* ARM Versatile Platform/Application Baseboard System emulation.
*
* Copyright (c) 2005-2006 CodeSourcery.
* Written by Paul Brook
......@@ -10,10 +10,6 @@
#include "vl.h"
#include "arm_pic.h"
#define KERNEL_ARGS_ADDR 0x100
#define KERNEL_LOAD_ADDR 0x00010000
#define INITRD_LOAD_ADDR 0x00800000
/* Primary interrupt controller. */
typedef struct vpb_sic_state
......@@ -151,66 +147,16 @@ static vpb_sic_state *vpb_sic_init(uint32_t base, void *parent, int irq)
/* Board init. */
/* The worlds second smallest bootloader. Set r0-r2, then jump to kernel. */
static uint32_t bootloader[] = {
0xe3a00000, /* mov r0, #0 */
0xe3a01083, /* mov r1, #0x83 */
0xe3811c01, /* orr r1, r1, #0x100 */
0xe59f2000, /* ldr r2, [pc, #0] */
0xe59ff000, /* ldr pc, [pc, #0] */
0, /* Address of kernel args. Set by integratorcp_init. */
0 /* Kernel entry point. Set by integratorcp_init. */
};
static void set_kernel_args(uint32_t ram_size, int initrd_size,
const char *kernel_cmdline)
{
uint32_t *p;
p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR);
/* ATAG_CORE */
stl_raw(p++, 5);
stl_raw(p++, 0x54410001);
stl_raw(p++, 1);
stl_raw(p++, 0x1000);
stl_raw(p++, 0);
/* ATAG_MEM */
stl_raw(p++, 4);
stl_raw(p++, 0x54410002);
stl_raw(p++, ram_size);
stl_raw(p++, 0);
if (initrd_size) {
/* ATAG_INITRD2 */
stl_raw(p++, 4);
stl_raw(p++, 0x54420005);
stl_raw(p++, INITRD_LOAD_ADDR);
stl_raw(p++, initrd_size);
}
if (kernel_cmdline && *kernel_cmdline) {
/* ATAG_CMDLINE */
int cmdline_size;
/* The AB and PB boards both use the same core, just with different
peripherans and expansion busses. For now we emulate a subset of the
PB peripherals and just change the board ID. */
cmdline_size = strlen(kernel_cmdline);
memcpy (p + 2, kernel_cmdline, cmdline_size + 1);
cmdline_size = (cmdline_size >> 2) + 1;
stl_raw(p++, cmdline_size + 2);
stl_raw(p++, 0x54410009);
p += cmdline_size;
}
/* ATAG_END */
stl_raw(p++, 0);
stl_raw(p++, 0);
}
static void vpb_init(int ram_size, int vga_ram_size, int boot_device,
static void versatile_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename)
const char *initrd_filename, int board_id)
{
CPUState *env;
int kernel_size;
int initrd_size;
int n;
void *pic;
void *sic;
......@@ -250,6 +196,7 @@ static void vpb_init(int ram_size, int vga_ram_size, int boot_device,
that includes hardware cursor support from the PL111. */
pl110_init(ds, 0x10120000, pic, 16, 1);
/* Memory map for Versatile/PB: */
/* 0x10000000 System registers. */
/* 0x10001000 PCI controller config registers. */
/* 0x10002000 Serial bus interface. */
......@@ -285,33 +232,30 @@ static void vpb_init(int ram_size, int vga_ram_size, int boot_device,
/* 0x101f3000 UART2. */
/* 0x101f4000 SSPI. */
/* Load the kernel. */
if (!kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
kernel_size = load_image(kernel_filename,
phys_ram_base + KERNEL_LOAD_ADDR);
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
exit(1);
}
if (initrd_filename) {
initrd_size = load_image(initrd_filename,
phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
fprintf(stderr, "qemu: could not load initrd '%s'\n",
initrd_filename);
exit(1);
}
} else {
initrd_size = 0;
}
bootloader[5] = KERNEL_ARGS_ADDR;
bootloader[6] = KERNEL_LOAD_ADDR;
for (n = 0; n < sizeof(bootloader) / 4; n++)
stl_raw(phys_ram_base + (n * 4), bootloader[n]);
set_kernel_args(ram_size, initrd_size, kernel_cmdline);
arm_load_kernel(ram_size, kernel_filename, kernel_cmdline,
initrd_filename, board_id);
}
static void vpb_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename)
{
versatile_init(ram_size, vga_ram_size, boot_device,
ds, fd_filename, snapshot,
kernel_filename, kernel_cmdline,
initrd_filename, 0x183);
}
static void vab_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename)
{
versatile_init(ram_size, vga_ram_size, boot_device,
ds, fd_filename, snapshot,
kernel_filename, kernel_cmdline,
initrd_filename, 0x25e);
}
QEMUMachine versatilepb_machine = {
......@@ -319,3 +263,9 @@ QEMUMachine versatilepb_machine = {
"ARM Versatile/PB (ARM926EJ-S)",
vpb_init,
};
QEMUMachine versatileab_machine = {
"versatileab",
"ARM Versatile/AB (ARM926EJ-S)",
vab_init,
};
......@@ -4863,6 +4863,7 @@ void register_machines(void)
qemu_register_machine(&integratorcp926_machine);
qemu_register_machine(&integratorcp1026_machine);
qemu_register_machine(&versatilepb_machine);
qemu_register_machine(&versatileab_machine);
#elif defined(TARGET_SH4)
qemu_register_machine(&shix_machine);
#else
......
......@@ -987,6 +987,7 @@ extern QEMUMachine integratorcp1026_machine;
/* versatilepb.c */
extern QEMUMachine versatilepb_machine;
extern QEMUMachine versatileab_machine;
/* ps2.c */
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg);
......@@ -1019,6 +1020,12 @@ void *pl190_init(uint32_t base, void *parent, int irq, int fiq);
void sp804_init(uint32_t base, void *pic, int irq);
void icp_pit_init(uint32_t base, void *pic, int irq);
/* arm_boot.c */
void arm_load_kernel(int ram_size, const char *kernel_filename,
const char *kernel_cmdline, const char *initrd_filename,
int board_id);
/* sh7750.c */
struct SH7750State;
......
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