Revert "Merge remote-tracking branch 'qemu-kvm/memory/batch' into sta…

…ging"

This reverts commit 8ef9ea8, reversing
changes made to 444dc48.

From Avi:

  Please revert the entire pull (git revert 8ef9ea8) while I work this
  out - it isn't trivial.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Makefile.hw

@@ -10,7 +10,6 @@ include $(SRC_PATH)/rules.mak
 $(call set-vpath, $(SRC_PATH):$(SRC_PATH)/hw)
 
 QEMU_CFLAGS+=-I..
-QEMU_CFLAGS += $(GLIB_CFLAGS)
 
 include $(SRC_PATH)/Makefile.objs
 

Makefile.target

@@ -195,6 +195,7 @@ obj-$(CONFIG_VIRTIO) += virtio.o virtio-blk.o virtio-balloon.o virtio-net.o virt
 obj-y += vhost_net.o
 obj-$(CONFIG_VHOST_NET) += vhost.o
 obj-$(CONFIG_REALLY_VIRTFS) += 9pfs/virtio-9p-device.o
+obj-y += rwhandler.o
 obj-$(CONFIG_KVM) += kvm.o kvm-all.o
 obj-$(CONFIG_NO_KVM) += kvm-stub.o
 obj-y += memory.o

hw/an5206.c

@@ -12,7 +12,6 @@
 #include "boards.h"
 #include "loader.h"
 #include "elf.h"
-#include "exec-memory.h"
 
 #define KERNEL_LOAD_ADDR 0x10000
 #define AN5206_MBAR_ADDR 0x10000000
@@ -38,9 +37,6 @@ static void an5206_init(ram_addr_t ram_size,
     int kernel_size;
     uint64_t elf_entry;
     target_phys_addr_t entry;
-    MemoryRegion *address_space_mem = get_system_memory();
-    MemoryRegion *ram = g_new(MemoryRegion, 1);
-    MemoryRegion *sram = g_new(MemoryRegion, 1);
 
     if (!cpu_model)
         cpu_model = "m5206";
@@ -56,12 +52,12 @@ static void an5206_init(ram_addr_t ram_size,
     env->rambar0 = AN5206_RAMBAR_ADDR | 1;
 
     /* DRAM at address zero */
-    memory_region_init_ram(ram, NULL, "an5206.ram", ram_size);
-    memory_region_add_subregion(address_space_mem, 0, ram);
+    cpu_register_physical_memory(0, ram_size,
+        qemu_ram_alloc(NULL, "an5206.ram", ram_size) | IO_MEM_RAM);
 
     /* Internal SRAM.  */
-    memory_region_init_ram(sram, NULL, "an5206.sram", 512);
-    memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram);
+    cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
+        qemu_ram_alloc(NULL, "an5206.sram", 512) | IO_MEM_RAM);
 
     mcf5206_init(AN5206_MBAR_ADDR, env);
 

hw/arm-misc.h

@@ -11,16 +11,13 @@
 #ifndef ARM_MISC_H
 #define ARM_MISC_H 1
 
-#include "memory.h"
-
 /* The CPU is also modeled as an interrupt controller.  */
 #define ARM_PIC_CPU_IRQ 0
 #define ARM_PIC_CPU_FIQ 1
 qemu_irq *arm_pic_init_cpu(CPUState *env);
 
 /* armv7m.c */
-qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
-                      int flash_size, int sram_size,
+qemu_irq *armv7m_init(int flash_size, int sram_size,
                       const char *kernel_filename, const char *cpu_model);
 
 /* arm_boot.c */

hw/armv7m.c

@@ -156,8 +156,7 @@ static void armv7m_reset(void *opaque)
    flash_size and sram_size are in kb.
    Returns the NVIC array.  */
 
-qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
-                      int flash_size, int sram_size,
+qemu_irq *armv7m_init(int flash_size, int sram_size,
                       const char *kernel_filename, const char *cpu_model)
 {
     CPUState *env;
@@ -170,9 +169,6 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
     uint64_t lowaddr;
     int i;
     int big_endian;
-    MemoryRegion *sram = g_new(MemoryRegion, 1);
-    MemoryRegion *flash = g_new(MemoryRegion, 1);
-    MemoryRegion *hack = g_new(MemoryRegion, 1);
 
     flash_size *= 1024;
     sram_size *= 1024;
@@ -198,11 +194,12 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
 #endif
 
     /* Flash programming is done via the SCU, so pretend it is ROM.  */
-    memory_region_init_ram(flash, NULL, "armv7m.flash", flash_size);
-    memory_region_set_readonly(flash, true);
-    memory_region_add_subregion(address_space_mem, 0, flash);
-    memory_region_init_ram(sram, NULL, "armv7m.sram", sram_size);
-    memory_region_add_subregion(address_space_mem, 0x20000000, sram);
+    cpu_register_physical_memory(0, flash_size,
+                                 qemu_ram_alloc(NULL, "armv7m.flash",
+                                                flash_size) | IO_MEM_ROM);
+    cpu_register_physical_memory(0x20000000, sram_size,
+                                 qemu_ram_alloc(NULL, "armv7m.sram",
+                                                sram_size) | IO_MEM_RAM);
     armv7m_bitband_init();
 
     nvic = qdev_create(NULL, "armv7m_nvic");
@@ -235,8 +232,9 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
     /* Hack to map an additional page of ram at the top of the address
        space.  This stops qemu complaining about executing code outside RAM
        when returning from an exception.  */
-    memory_region_init_ram(hack, NULL, "armv7m.hack", 0x1000);
-    memory_region_add_subregion(address_space_mem, 0xfffff000, hack);
+    cpu_register_physical_memory(0xfffff000, 0x1000,
+                                 qemu_ram_alloc(NULL, "armv7m.hack", 
+                                                0x1000) | IO_MEM_RAM);
 
     qemu_register_reset(armv7m_reset, env);
     return pic;

hw/axis_dev88.c

@@ -31,7 +31,6 @@
 #include "elf.h"
 #include "cris-boot.h"
 #include "blockdev.h"
-#include "exec-memory.h"
 
 #define D(x)
 #define DNAND(x)
@@ -260,9 +259,8 @@ void axisdev88_init (ram_addr_t ram_size,
     int i;
     int nand_regs;
     int gpio_regs;
-    MemoryRegion *address_space_mem = get_system_memory();
-    MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
-    MemoryRegion *phys_intmem = g_new(MemoryRegion, 1);
+    ram_addr_t phys_ram;
+    ram_addr_t phys_intmem;
 
     /* init CPUs */
     if (cpu_model == NULL) {
@@ -271,13 +269,15 @@ void axisdev88_init (ram_addr_t ram_size,
     env = cpu_init(cpu_model);
 
     /* allocate RAM */
-    memory_region_init_ram(phys_ram, NULL, "axisdev88.ram", ram_size);
-    memory_region_add_subregion(address_space_mem, 0x40000000, phys_ram);
+    phys_ram = qemu_ram_alloc(NULL, "axisdev88.ram", ram_size);
+    cpu_register_physical_memory(0x40000000, ram_size, phys_ram | IO_MEM_RAM);
 
     /* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the 
        internal memory.  */
-    memory_region_init_ram(phys_intmem, NULL, "axisdev88.chipram", INTMEM_SIZE);
-    memory_region_add_subregion(address_space_mem, 0x38000000, phys_intmem);
+    phys_intmem = qemu_ram_alloc(NULL, "axisdev88.chipram", INTMEM_SIZE);
+    cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
+                                 phys_intmem | IO_MEM_RAM);
+
 
       /* Attach a NAND flash to CS1.  */
     nand = drive_get(IF_MTD, 0, 0);

hw/cirrus_vga.c

@@ -2424,7 +2424,6 @@ static void cirrus_update_memory_access(CirrusVGAState *s)
 {
     unsigned mode;
 
-    memory_region_transaction_begin();
     if ((s->vga.sr[0x17] & 0x44) == 0x44) {
         goto generic_io;
     } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
@@ -2444,7 +2443,6 @@ static void cirrus_update_memory_access(CirrusVGAState *s)
             unmap_linear_vram(s);
         }
     }
-    memory_region_transaction_commit();
 }
 
 

hw/collie.c

@@ -26,27 +26,25 @@ static void collie_init(ram_addr_t ram_size,
 {
     StrongARMState *s;
     DriveInfo *dinfo;
-    MemoryRegion *phys_flash = g_new(MemoryRegion, 2);
+    ram_addr_t phys_flash;
 
     if (!cpu_model) {
         cpu_model = "sa1110";
     }
 
     s = sa1110_init(collie_binfo.ram_size, cpu_model);
 
-    memory_region_init_rom_device(&phys_flash[0], &pflash_cfi01_ops_le,
-                                  NULL, "collie.fl1", 0x02000000);
+    phys_flash = qemu_ram_alloc(NULL, "collie.fl1", 0x02000000);
     dinfo = drive_get(IF_PFLASH, 0, 0);
-    pflash_cfi01_register(SA_CS0, &phys_flash[0],
+    pflash_cfi01_register(SA_CS0, phys_flash,
                     dinfo ? dinfo->bdrv : NULL, (64 * 1024),
-                    512, 4, 0x00, 0x00, 0x00, 0x00);
+                    512, 4, 0x00, 0x00, 0x00, 0x00, 0);
 
-    memory_region_init_rom_device(&phys_flash[1], &pflash_cfi01_ops_le,
-                                  NULL, "collie.fl2", 0x02000000);
+    phys_flash = qemu_ram_alloc(NULL, "collie.fl2", 0x02000000);
     dinfo = drive_get(IF_PFLASH, 0, 1);
-    pflash_cfi01_register(SA_CS1, &phys_flash[1],
+    pflash_cfi01_register(SA_CS1, phys_flash,
                     dinfo ? dinfo->bdrv : NULL, (64 * 1024),
-                    512, 4, 0x00, 0x00, 0x00, 0x00);
+                    512, 4, 0x00, 0x00, 0x00, 0x00, 0);
 
     sysbus_create_simple("scoop", 0x40800000, NULL);
 

hw/dec_pci.c

@@ -80,15 +80,16 @@ PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
 static int pci_dec_21154_init_device(SysBusDevice *dev)
 {
     DECState *s;
+    int pci_mem_config, pci_mem_data;
 
     s = FROM_SYSBUS(DECState, dev);
 
-    memory_region_init_io(&s->host_state.conf_mem, &pci_host_conf_le_ops,
-                          &s->host_state, "pci-conf-idx", 0x1000);
-    memory_region_init_io(&s->host_state.data_mem, &pci_host_data_le_ops,
-                          &s->host_state, "pci-data-idx", 0x1000);
-    sysbus_init_mmio_region(dev, &s->host_state.conf_mem);
-    sysbus_init_mmio_region(dev, &s->host_state.data_mem);
+    pci_mem_config = pci_host_conf_register_mmio(&s->host_state,
+                                                 DEVICE_LITTLE_ENDIAN);
+    pci_mem_data = pci_host_data_register_mmio(&s->host_state,
+                                               DEVICE_LITTLE_ENDIAN);
+    sysbus_init_mmio(dev, 0x1000, pci_mem_config);
+    sysbus_init_mmio(dev, 0x1000, pci_mem_data);
     return 0;
 }
 

hw/dummy_m68k.c

@@ -10,7 +10,6 @@
 #include "boards.h"
 #include "loader.h"
 #include "elf.h"
-#include "exec-memory.h"
 
 #define KERNEL_LOAD_ADDR 0x10000
 
@@ -22,8 +21,6 @@ static void dummy_m68k_init(ram_addr_t ram_size,
                      const char *initrd_filename, const char *cpu_model)
 {
     CPUState *env;
-    MemoryRegion *address_space_mem =  get_system_memory();
-    MemoryRegion *ram = g_new(MemoryRegion, 1);
     int kernel_size;
     uint64_t elf_entry;
     target_phys_addr_t entry;
@@ -40,8 +37,8 @@ static void dummy_m68k_init(ram_addr_t ram_size,
     env->vbr = 0;
 
     /* RAM at address zero */
-    memory_region_init_ram(ram, NULL, "dummy_m68k.ram", ram_size);
-    memory_region_add_subregion(address_space_mem, 0, ram);
+    cpu_register_physical_memory(0, ram_size,
+        qemu_ram_alloc(NULL, "dummy_m68k.ram", ram_size) | IO_MEM_RAM);
 
     /* Load kernel.  */
     if (kernel_filename) {

hw/flash.h

@@ -1,27 +1,21 @@
-#include "memory.h"
-
 /* NOR flash devices */
 typedef struct pflash_t pflash_t;
 
 /* pflash_cfi01.c */
-extern const MemoryRegionOps pflash_cfi01_ops_be;
-extern const MemoryRegionOps pflash_cfi01_ops_le;
-extern const MemoryRegionOps pflash_cfi02_ops_be;
-extern const MemoryRegionOps pflash_cfi02_ops_le;
-
-pflash_t *pflash_cfi01_register(target_phys_addr_t base, MemoryRegion *mem,
+pflash_t *pflash_cfi01_register(target_phys_addr_t base, ram_addr_t off,
                                 BlockDriverState *bs,
                                 uint32_t sector_len, int nb_blocs, int width,
                                 uint16_t id0, uint16_t id1,
-                                uint16_t id2, uint16_t id3);
+                                uint16_t id2, uint16_t id3, int be);
 
 /* pflash_cfi02.c */
-pflash_t *pflash_cfi02_register(target_phys_addr_t base, MemoryRegion *mem,
+pflash_t *pflash_cfi02_register(target_phys_addr_t base, ram_addr_t off,
                                 BlockDriverState *bs, uint32_t sector_len,
                                 int nb_blocs, int nb_mappings, int width,
                                 uint16_t id0, uint16_t id1,
                                 uint16_t id2, uint16_t id3,
-                                uint16_t unlock_addr0, uint16_t unlock_addr1);
+                                uint16_t unlock_addr0, uint16_t unlock_addr1,
+                                int be);
 
 /* nand.c */
 DeviceState *nand_init(BlockDriverState *bdrv, int manf_id, int chip_id);