[Qemu-devel] [PATCH 7/9] powerpc/kvm: Add E500 core emulation

[Liu Yu]

Signed-off-by: Liu Yu <address@hidden>
---
 Makefile.target |    1 +
 hw/ppce500.c    |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 hw/ppce500.h    |   44 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 0 deletions(-)
 create mode 100644 hw/ppce500.c
 create mode 100644 hw/ppce500.h

diff --git a/Makefile.target b/Makefile.target
index 2079fcb..223d294 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -651,6 +651,7 @@ OBJS+= pflash_cfi02.o ppc4xx_devs.o ppc4xx_pci.o 
ppc405_uc.o ppc405_boards.o
 OBJS+= ppc440.o ppc440_bamboo.o
 # PowerPC E500 boards
 OBJS+= ppce500_pci.o
+OBJS+= ppce500.o
 ifdef FDT_LIBS
 OBJS+= device_tree.o
 LIBS+= $(FDT_LIBS)
diff --git a/hw/ppce500.c b/hw/ppce500.c
new file mode 100644
index 0000000..856cce2
--- /dev/null
+++ b/hw/ppce500.c
@@ -0,0 +1,49 @@
+/*
+ * Qemu PowerPC E500 core emualtion
+ *
+ * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Yu Liu,     <address@hidden>
+ *
+ * This file is derived from hw/ppc440.c
+ * the copyright for that material belongs to the original owners.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of  the GNU General  Public License as published by
+ * the Free Software Foundation;  either version 2 of the  License, or
+ * (at your option) any later version.
+ */
+
+#include "hw.h"
+#include "pc.h"
+#include "hw/isa.h"
+#include "ppce500.h"
+#include "sysemu.h"
+
+#define bytes_to_mb(a) (a>>20)
+
+CPUState *ppce500_init(ram_addr_t *ram_size)
+{
+    int i;
+    ram_addr_t tmp_ram_size;
+    CPUState *env;
+    int ram_stick_sizes[] = {512<<20, 256<<20, 128<<20, 64<<20}; /* in bytes */
+
+    /* Setup Memory */
+    tmp_ram_size = *ram_size;
+
+    for (i=0; i<(sizeof(ram_stick_sizes)/sizeof(ram_stick_sizes[0])); i++)
+       while ((tmp_ram_size/ram_stick_sizes[i]) > 0)
+           tmp_ram_size -= ram_stick_sizes[i];
+
+    if (tmp_ram_size)
+       *ram_size -= tmp_ram_size;
+
+    env = cpu_ppc_init("e500v2_v30");
+    if (!env) {
+       fprintf(stderr, "Unable to initilize CPU!\n");
+       exit(1);
+    }
+
+    return env;
+}
diff --git a/hw/ppce500.h b/hw/ppce500.h
new file mode 100644
index 0000000..37c4375
--- /dev/null
+++ b/hw/ppce500.h
@@ -0,0 +1,44 @@
+/*
+ * QEMU PowerPC E500 emulation shared definitions
+ *
+ * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Yu Liu,     <address@hidden>
+ *
+ * This file is derived from hw/ppc440.h
+ * the copyright for that material belongs to the original owners.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of  the GNU General  Public License as published by
+ * the Free Software Foundation;  either version 2 of the  License, or
+ * (at your option) any later version.
+ */
+
+#if !defined(PPC_E500_H)
+#define PPC_E500_H
+
+#include "hw.h"
+#include "pc.h"
+#include "qemu-timer.h"
+#include "sysemu.h"
+#include "exec-all.h"
+#include "boards.h"
+
+/* PowerPC E500 XXX  initialization */
+extern CPUState *ppce500_init(ram_addr_t *ram_size);
+
+PCIBus *ppce500_pci_init(qemu_irq *pic, target_phys_addr_t registers);
+
+/* mpic.c */
+/* MPIC have 5 outputs per CPU connected and one IRQ out single output */
+enum {
+    MPIC_OUTPUT_INT = 0, /* IRQ                       */
+    MPIC_OUTPUT_CINT,    /* critical IRQ              */
+    MPIC_OUTPUT_MCK,     /* Machine check event       */
+    MPIC_OUTPUT_DEBUG,   /* Inconditional debug event */
+    MPIC_OUTPUT_RESET,   /* Core reset event          */
+    MPIC_OUTPUT_NB,
+};
+qemu_irq *mpic_init (target_phys_addr_t base, int nb_cpus,
+                        qemu_irq **irqs, qemu_irq irq_out);
+#endif /* !defined(PPC_E500_H) */
-- 
1.5.4