[Qemu-devel] [4923] Add T1 and T2 CPUs, add a Sun4v machine

[Blue Swirl]

Revision: 4923
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4923
Author:   blueswir1
Date:     2008-07-22 07:07:34 +0000 (Tue, 22 Jul 2008)

Log Message:
-----------
Add T1 and T2 CPUs, add a Sun4v machine

Modified Paths:
--------------
    trunk/hw/boards.h
    trunk/hw/sun4u.c
    trunk/qemu-doc.texi
    trunk/target-sparc/TODO
    trunk/target-sparc/helper.c
    trunk/target-sparc/machine.c

Modified: trunk/hw/boards.h
===================================================================
--- trunk/hw/boards.h   2008-07-22 01:57:42 UTC (rev 4922)
+++ trunk/hw/boards.h   2008-07-22 07:07:34 UTC (rev 4923)
@@ -64,6 +64,7 @@
 
 /* sun4u.c */
 extern QEMUMachine sun4u_machine;
+extern QEMUMachine sun4v_machine;
 
 /* integratorcp.c */
 extern QEMUMachine integratorcp_machine;

Modified: trunk/hw/sun4u.c
===================================================================
--- trunk/hw/sun4u.c    2008-07-22 01:57:42 UTC (rev 4922)
+++ trunk/hw/sun4u.c    2008-07-22 07:07:34 UTC (rev 4923)
@@ -1,5 +1,5 @@
 /*
- * QEMU Sun4u System Emulator
+ * QEMU Sun4u/Sun4v System Emulator
  *
  * Copyright (c) 2005 Fabrice Bellard
  *
@@ -45,6 +45,10 @@
 #define NVRAM_SIZE           0x2000
 #define MAX_IDE_BUS          2
 
+struct hwdef {
+    const char * const default_cpu_model;
+};
+
 int DMA_get_channel_mode (int nchan)
 {
     return 0;
@@ -245,11 +249,11 @@
 
 static fdctrl_t *floppy_controller;
 
-/* Sun4u hardware initialisation */
-static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
-                       const char *boot_devices, DisplayState *ds,
-                       const char *kernel_filename, const char *kernel_cmdline,
-                       const char *initrd_filename, const char *cpu_model)
+static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size,
+                        const char *boot_devices, DisplayState *ds,
+                        const char *kernel_filename, const char 
*kernel_cmdline,
+                        const char *initrd_filename, const char *cpu_model,
+                        const struct hwdef *hwdef)
 {
     CPUState *env;
     char buf[1024];
@@ -267,8 +271,9 @@
     linux_boot = (kernel_filename != NULL);
 
     /* init CPUs */
-    if (cpu_model == NULL)
-        cpu_model = "TI UltraSparc II";
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
     env = cpu_init(cpu_model);
     if (!env) {
         fprintf(stderr, "Unable to find Sparc CPU definition\n");
@@ -409,9 +414,47 @@
 
 }
 
+static const struct hwdef hwdefs[] = {
+    /* Sun4u generic PC-like machine */
+    {
+        .default_cpu_model = "TI UltraSparc II",
+    },
+    /* Sun4v generic PC-like machine */
+    {
+        .default_cpu_model = "Sun UltraSparc T1",
+    },
+};
+
+/* Sun4u hardware initialisation */
+static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
+                       const char *boot_devices, DisplayState *ds,
+                       const char *kernel_filename, const char *kernel_cmdline,
+                       const char *initrd_filename, const char *cpu_model)
+{
+    sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
+                kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
+}
+
+/* Sun4v hardware initialisation */
+static void sun4v_init(ram_addr_t RAM_size, int vga_ram_size,
+                       const char *boot_devices, DisplayState *ds,
+                       const char *kernel_filename, const char *kernel_cmdline,
+                       const char *initrd_filename, const char *cpu_model)
+{
+    sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
+                kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
+}
+
 QEMUMachine sun4u_machine = {
     "sun4u",
     "Sun4u platform",
     sun4u_init,
     PROM_SIZE_MAX + VGA_RAM_SIZE,
 };
+
+QEMUMachine sun4v_machine = {
+    "sun4v",
+    "Sun4v platform",
+    sun4v_init,
+    PROM_SIZE_MAX + VGA_RAM_SIZE,
+};

Modified: trunk/qemu-doc.texi
===================================================================
--- trunk/qemu-doc.texi 2008-07-22 01:57:42 UTC (rev 4922)
+++ trunk/qemu-doc.texi 2008-07-22 07:07:34 UTC (rev 4923)
@@ -75,7 +75,7 @@
 @item G3 BW PowerMac (PowerPC processor)
 @item Mac99 PowerMac (PowerPC processor, in progress)
 @item Sun4m/Sun4c/Sun4d (32-bit Sparc processor)
address@hidden Sun4u (64-bit Sparc processor, in progress)
address@hidden Sun4u/Sun4v (64-bit Sparc processor, in progress)
 @item Malta board (32-bit and 64-bit MIPS processors)
 @item MIPS Magnum (64-bit MIPS processor)
 @item ARM Integrator/CP (ARM)
@@ -2315,10 +2315,10 @@
 @node Sparc64 System emulator
 @section Sparc64 System emulator
 
-Use the executable @file{qemu-system-sparc64} to simulate a Sun4u machine.
-The emulator is not usable for anything yet.
+Use the executable @file{qemu-system-sparc64} to simulate a Sun4u or
+Sun4v machine. The emulator is not usable for anything yet.
 
-QEMU emulates the following sun4u peripherals:
+QEMU emulates the following peripherals:
 
 @itemize @minus
 @item
@@ -2329,8 +2329,24 @@
 Non Volatile RAM M48T59
 @item
 PC-compatible serial ports
address@hidden
+2 PCI IDE interfaces with hard disk and CD-ROM support
 @end itemize
 
address@hidden man begin OPTIONS
+
+The following options are specific to the Sparc64 emulation:
+
address@hidden @option
+
address@hidden -M [sun4u|sun4v]
+
+Set the emulated machine type. The default is sun4u.
+
address@hidden table
+
address@hidden man end
+
 @node MIPS System emulator
 @section MIPS System emulator
 

Modified: trunk/target-sparc/TODO
===================================================================
--- trunk/target-sparc/TODO     2008-07-22 01:57:42 UTC (rev 4922)
+++ trunk/target-sparc/TODO     2008-07-22 07:07:34 UTC (rev 4923)
@@ -86,4 +86,6 @@
  - A lot of real machine types
 
 Sun4v:
-- To be added
+- A lot of unimplemented features
+ - A lot of real machine types
+

Modified: trunk/target-sparc/helper.c
===================================================================
--- trunk/target-sparc/helper.c 2008-07-22 01:57:42 UTC (rev 4922)
+++ trunk/target-sparc/helper.c 2008-07-22 07:07:34 UTC (rev 4923)
@@ -1116,6 +1116,28 @@
         .features = CPU_DEFAULT_FEATURES,
     },
     {
+        .name = "Sun UltraSparc T1",
+        // defined in sparc_ifu_fdp.v and ctu.h
+        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)
+                       | (MAXTL << 8)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_sun4v,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
+        | CPU_FEATURE_GL,
+    },
+    {
+        .name = "Sun UltraSparc T2",
+        // defined in tlu_asi_ctl.v and n2_revid_cust.v
+        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)
+                       | (MAXTL << 8)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_sun4v,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
+        | CPU_FEATURE_GL,
+    },
+    {
         .name = "NEC UltraSparc I",
         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
                        | (MAXTL << 8)),

Modified: trunk/target-sparc/machine.c
===================================================================
--- trunk/target-sparc/machine.c        2008-07-22 01:57:42 UTC (rev 4922)
+++ trunk/target-sparc/machine.c        2008-07-22 07:07:34 UTC (rev 4923)
@@ -7,6 +7,7 @@
 {
 #ifdef TARGET_SPARC64
     qemu_register_machine(&sun4u_machine);
+    qemu_register_machine(&sun4v_machine);
 #else
     qemu_register_machine(&ss5_machine);
     qemu_register_machine(&ss10_machine);