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author | 2017-05-23 17:55:06 +0000 | |
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committer | 2017-05-23 17:55:06 +0000 | |
commit | 0f6296e038b5c299654d596026e7bee5aa723e56 (patch) | |
tree | a51b545d58c8128abfd6caa9ca43d32343011f62 /qemu/hw/dma/puv3_dma.c | |
parent | c4d68bc45aa6aa8b7fe39bce206cb17c2cb2d365 (diff) | |
parent | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (diff) |
Merge "Adding qemu as a submodule of KVMFORNFV"
Diffstat (limited to 'qemu/hw/dma/puv3_dma.c')
-rw-r--r-- | qemu/hw/dma/puv3_dma.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/qemu/hw/dma/puv3_dma.c b/qemu/hw/dma/puv3_dma.c deleted file mode 100644 index b97a6c176..000000000 --- a/qemu/hw/dma/puv3_dma.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * DMA device simulation in PKUnity SoC - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or any later version. - * See the COPYING file in the top-level directory. - */ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/sysbus.h" - -#undef DEBUG_PUV3 -#include "hw/unicore32/puv3.h" - -#define PUV3_DMA_CH_NR (6) -#define PUV3_DMA_CH_MASK (0xff) -#define PUV3_DMA_CH(offset) ((offset) >> 8) - -#define TYPE_PUV3_DMA "puv3_dma" -#define PUV3_DMA(obj) OBJECT_CHECK(PUV3DMAState, (obj), TYPE_PUV3_DMA) - -typedef struct PUV3DMAState { - SysBusDevice parent_obj; - - MemoryRegion iomem; - uint32_t reg_CFG[PUV3_DMA_CH_NR]; -} PUV3DMAState; - -static uint64_t puv3_dma_read(void *opaque, hwaddr offset, - unsigned size) -{ - PUV3DMAState *s = opaque; - uint32_t ret = 0; - - assert(PUV3_DMA_CH(offset) < PUV3_DMA_CH_NR); - - switch (offset & PUV3_DMA_CH_MASK) { - case 0x10: - ret = s->reg_CFG[PUV3_DMA_CH(offset)]; - break; - default: - DPRINTF("Bad offset 0x%x\n", offset); - } - DPRINTF("offset 0x%x, value 0x%x\n", offset, ret); - - return ret; -} - -static void puv3_dma_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) -{ - PUV3DMAState *s = opaque; - - assert(PUV3_DMA_CH(offset) < PUV3_DMA_CH_NR); - - switch (offset & PUV3_DMA_CH_MASK) { - case 0x10: - s->reg_CFG[PUV3_DMA_CH(offset)] = value; - break; - default: - DPRINTF("Bad offset 0x%x\n", offset); - } - DPRINTF("offset 0x%x, value 0x%x\n", offset, value); -} - -static const MemoryRegionOps puv3_dma_ops = { - .read = puv3_dma_read, - .write = puv3_dma_write, - .impl = { - .min_access_size = 4, - .max_access_size = 4, - }, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static int puv3_dma_init(SysBusDevice *dev) -{ - PUV3DMAState *s = PUV3_DMA(dev); - int i; - - for (i = 0; i < PUV3_DMA_CH_NR; i++) { - s->reg_CFG[i] = 0x0; - } - - memory_region_init_io(&s->iomem, OBJECT(s), &puv3_dma_ops, s, "puv3_dma", - PUV3_REGS_OFFSET); - sysbus_init_mmio(dev, &s->iomem); - - return 0; -} - -static void puv3_dma_class_init(ObjectClass *klass, void *data) -{ - SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); - - sdc->init = puv3_dma_init; -} - -static const TypeInfo puv3_dma_info = { - .name = TYPE_PUV3_DMA, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(PUV3DMAState), - .class_init = puv3_dma_class_init, -}; - -static void puv3_dma_register_type(void) -{ - type_register_static(&puv3_dma_info); -} - -type_init(puv3_dma_register_type) |