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Re: [Qemu-devel] [PATCH v3 4/5] xilinx_devcfg: Zynq devcfg device model
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v3 4/5] xilinx_devcfg: Zynq devcfg device model |
Date: |
Wed, 29 May 2013 10:51:58 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 |
Il 24/05/2013 07:49, address@hidden ha scritto:
> +static const MemoryRegionOps devcfg_reg_ops = {
> + .read = register_read_memory_le,
> + .write = register_write_memory_le,
> + .endianness = DEVICE_LITTLE_ENDIAN,
> + .valid = {
> + .min_access_size = 4,
> + .max_access_size = 4,
What happens if you have registers of mixed size within the same "bank"?
> + }
> +};
> +
> +static void xilinx_devcfg_realize(DeviceState *dev, Error **errp)
> +{
> + XilinxDevcfg *s = XILINX_DEVCFG(dev);
> + const char *prefix = object_get_canonical_path(OBJECT(dev));
> + int i;
> +
> + for (i = 0; i < R_MAX; ++i) {
> + RegisterInfo *r = &s->regs_info[i];
> +
> + *r = (RegisterInfo) {
> + .data = &s->regs[i],
> + .data_size = sizeof(uint32_t),
> + .access = &xilinx_devcfg_regs_info[i],
> + .debug = XILINX_DEVCFG_ERR_DEBUG,
> + .prefix = prefix,
> + .opaque = s,
> + };
> + memory_region_init_io(&r->mem, &devcfg_reg_ops, r, "devcfg-regs", 4);
Could you add a register_init function that does register_reset +
memory_region_init_io?
> + memory_region_add_subregion(&s->iomem, i * 4, &r->mem);
Paolo
- [Qemu-devel] [PATCH v3 0/5] Data Driven device registers & Zynq DEVCFG, peter . crosthwaite, 2013/05/24
- [Qemu-devel] [PATCH v3 1/5] bitops: Add ONES macro, peter . crosthwaite, 2013/05/24
- [Qemu-devel] [PATCH v3 2/5] register: Add Register API, peter . crosthwaite, 2013/05/24
- [Qemu-devel] [PATCH v3 3/5] register: Add Memory API glue, peter . crosthwaite, 2013/05/24
- [Qemu-devel] [PATCH v3 4/5] xilinx_devcfg: Zynq devcfg device model, peter . crosthwaite, 2013/05/24
- Re: [Qemu-devel] [PATCH v3 4/5] xilinx_devcfg: Zynq devcfg device model,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v3 4/5] xilinx_devcfg: Zynq devcfg device model, Edgar E. Iglesias, 2013/05/29
Re: [Qemu-devel] [PATCH v3 4/5] xilinx_devcfg: Zynq devcfg device model, Anthony Liguori, 2013/05/29