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[Qemu-devel] [PATCH] versatile AB board support
From: |
Jason Wessel |
Subject: |
[Qemu-devel] [PATCH] versatile AB board support |
Date: |
Thu, 27 Apr 2006 09:57:31 -0500 |
User-agent: |
Thunderbird 1.5 (Windows/20051201) |
Paul Brook did all the hard work for the Versatile PB.
The Versatile AB is quite similar to the PB but has a different
expansion bus and flash. This patch adds Versatile AB support so you can
boot an unmodified ARM Versatile AB kernel.
signed-off-by: address@hidden
Thanks,
Jason.
Index: qemu/hw/versatilepb.c
===================================================================
--- qemu.orig/hw/versatilepb.c
+++ qemu/hw/versatilepb.c
@@ -314,8 +314,39 @@ static void vpb_init(int ram_size, int v
set_kernel_args(ram_size, initrd_size, kernel_cmdline);
}
+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)
+{
+ /* The versatile AB is mostly the same board as the versatile PB
+ * but with a different machine number. IE: 926ejs core with the
+ * same core perpheriphals (ethernet/serial/vga/keyboard/mouse).
+ * Later the flash and the different I/O devices could be added
+ * here. For now, this allows an unmodified versatile AB kernel
+ * to boot.
+ */
+ int n;
+ vpb_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline,
+ initrd_filename);
+ /* The versatile/AB needs 0x25e for the machine number */
+ bootloader[1] = 0xe3a0105e; /* mov r1, #0x5e */
+ bootloader[2] = 0xe3811c02; /* orr r1, r1, #0x200 */
+ for (n = 0; n < sizeof(bootloader) / 4; n++)
+ stl_raw(phys_ram_base + (n * 4), bootloader[n]);
+
+}
+
QEMUMachine versatilepb_machine = {
"versatilepb",
"ARM Versatile/PB (ARM926EJ-S)",
vpb_init,
};
+
+QEMUMachine versatileab_machine = {
+ "versatileab",
+ "ARM Versatile/AB (ARM926EJ-S)",
+ vab_init,
+};
Index: qemu/vl.c
===================================================================
--- qemu.orig/vl.c
+++ qemu/vl.c
@@ -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);
#else
#error unsupported CPU
#endif
Index: qemu/vl.h
===================================================================
--- qemu.orig/vl.h
+++ qemu/vl.h
@@ -984,6 +984,7 @@ extern QEMUMachine integratorcp1026_mach
/* versatilepb.c */
extern QEMUMachine versatilepb_machine;
+extern QEMUMachine versatileab_machine;
/* ps2.c */
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg);
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