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/* |
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* PearPC |
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* io.h |
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* |
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* Copyright (C) 2003 Sebastian Biallas (sb@biallas.net) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#ifndef __IO_IO_H__ |
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#define __IO_IO_H__ |
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|
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#include "system/types.h" |
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#include <stdlib.h> |
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#include <string.h> |
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#include "cpu/cpu.h" |
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#include "cpu/debug.h" |
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#include "cpu/mem.h" |
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#include "io.h" |
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#include "io/graphic/gcard.h" |
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#include "io/pic/pic.h" |
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#include "io/pci/pci.h" |
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#include "io/cuda/cuda.h" |
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#include "io/nvram/nvram.h" |
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#include "debug/tracers.h" |
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|
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#define IO_MEM_ACCESS_OK 0 |
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#define IO_MEM_ACCESS_EXC 1 |
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#define IO_MEM_ACCESS_FATAL 2 |
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|
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static inline int io_mem_write(uint32 addr, uint32 data, int size) |
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{ |
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if (addr >= IO_GCARD_FRAMEBUFFER_PA_START && addr < IO_GCARD_FRAMEBUFFER_PA_END) { |
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gcard_write(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_PCI_PA_START && addr < IO_PCI_PA_END) { |
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pci_write(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_PIC_PA_START && addr < IO_PIC_PA_END) { |
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pic_write(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_CUDA_PA_START && addr < IO_CUDA_PA_END) { |
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cuda_write(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_NVRAM_PA_START && addr < IO_NVRAM_PA_END) { |
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nvram_write(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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// PCI and ISA must be checked at last |
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if (addr >= IO_PCI_DEVICE_PA_START && addr < IO_PCI_DEVICE_PA_END) { |
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pci_write_device(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_ISA_PA_START && addr < IO_ISA_PA_END) { |
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/* |
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* should raise exception here... |
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* but linux dont like this |
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*/ |
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isa_write(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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/*if (isa_write(addr, data, size)) { |
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return IO_MEM_ACCESS_OK; |
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} else { |
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ppc_exception(PPC_EXC_MACHINE_CHECK); |
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return IO_MEM_ACCESS_EXC; |
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}*/ |
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} |
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IO_CORE_WARN("no one is responsible for address %08x (write: %08x from %08x)\n", addr, data, ppc_cpu_get_pc(0)); |
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SINGLESTEP(""); |
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ppc_machine_check_exception(); |
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return IO_MEM_ACCESS_EXC; |
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} |
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|
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static inline int io_mem_read(uint32 addr, uint32 &data, int size) |
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{ |
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if (addr >= IO_GCARD_FRAMEBUFFER_PA_START && addr < IO_GCARD_FRAMEBUFFER_PA_END) { |
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gcard_read(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_PCI_PA_START && addr < IO_PCI_PA_END) { |
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pci_read(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_PIC_PA_START && addr < IO_PIC_PA_END) { |
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pic_read(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_CUDA_PA_START && addr < IO_CUDA_PA_END) { |
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cuda_read(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_NVRAM_PA_START && addr < IO_NVRAM_PA_END) { |
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nvram_read(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr == 0xff000004) { |
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// wtf? |
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data = 1; |
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return IO_MEM_ACCESS_OK; |
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} |
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// PCI and ISA must be checked at last |
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if (addr >= IO_PCI_DEVICE_PA_START && addr < IO_PCI_DEVICE_PA_END) { |
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pci_read_device(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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} |
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if (addr >= IO_ISA_PA_START && addr < IO_ISA_PA_END) { |
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/* |
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* should raise exception here... |
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* but linux dont like this |
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*/ |
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isa_read(addr, data, size); |
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return IO_MEM_ACCESS_OK; |
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/*if (isa_read(addr, data, size)) { |
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return IO_MEM_ACCESS_OK; |
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} else { |
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ppc_exception(PPC_EXC_MACHINE_CHECK); |
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return IO_MEM_ACCESS_EXC; |
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}*/ |
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} |
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IO_CORE_WARN("no one is responsible for address %08x (read from %08x)\n", addr, ppc_cpu_get_pc(0)); |
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SINGLESTEP(""); |
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ppc_machine_check_exception(); |
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return IO_MEM_ACCESS_EXC; |
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} |
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|
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static inline int io_mem_write64(uint32 addr, uint64 data) |
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{ |
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if ((addr >= IO_GCARD_FRAMEBUFFER_PA_START) && (addr < (IO_GCARD_FRAMEBUFFER_PA_END))) { |
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gcard_write64(addr, data); |
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return IO_MEM_ACCESS_OK; |
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} |
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IO_CORE_ERR("no one is responsible for address %08x (write64: %016q from %08x)\n", addr, &data, ppc_cpu_get_pc(0)); |
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return IO_MEM_ACCESS_FATAL; |
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} |
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|
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static inline int io_mem_read64(uint32 addr, uint64 &data) |
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{ |
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if ((addr >= IO_GCARD_FRAMEBUFFER_PA_START) && (addr < (IO_GCARD_FRAMEBUFFER_PA_END))) { |
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gcard_read64(addr, data); |
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return IO_MEM_ACCESS_OK; |
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} |
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IO_CORE_ERR("no one is responsible for address %08x (read64 from %08x)\n", addr, ppc_cpu_get_pc(0)); |
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return IO_MEM_ACCESS_FATAL; |
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} |
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|
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static inline int io_mem_write128(uint32 addr, uint128 *data) |
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{ |
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if ((addr >= IO_GCARD_FRAMEBUFFER_PA_START) && (addr < (IO_GCARD_FRAMEBUFFER_PA_END))) { |
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gcard_write128(addr, data); |
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return IO_MEM_ACCESS_OK; |
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} |
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IO_CORE_ERR("no one is responsible for address %08x (write128: %016q%016q from %08x)\n", addr, data->h, data->l, ppc_cpu_get_pc(0)); |
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return IO_MEM_ACCESS_FATAL; |
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} |
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|
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static inline int io_mem_write128_native(uint32 addr, uint128 *data) |
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{ |
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if ((addr >= IO_GCARD_FRAMEBUFFER_PA_START) && (addr < (IO_GCARD_FRAMEBUFFER_PA_END))) { |
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gcard_write128_native(addr, data); |
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return IO_MEM_ACCESS_OK; |
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} |
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IO_CORE_ERR("no one is responsible for address %08x (write128: %016q%016q from %08x)\n", addr, data->h, data->l, ppc_cpu_get_pc(0)); |
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return IO_MEM_ACCESS_FATAL; |
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} |
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|
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static inline int io_mem_read128(uint32 addr, uint128 *data) |
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{ |
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if ((addr >= IO_GCARD_FRAMEBUFFER_PA_START) && (addr < (IO_GCARD_FRAMEBUFFER_PA_END))) { |
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gcard_read128(addr, data); |
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return IO_MEM_ACCESS_OK; |
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} |
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IO_CORE_ERR("no one is responsible for address %08x (read128 from %08x)\n", addr, ppc_cpu_get_pc(0)); |
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return IO_MEM_ACCESS_FATAL; |
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} |
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|
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static inline int io_mem_read128_native(uint32 addr, uint128 *data) |
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{ |
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if ((addr >= IO_GCARD_FRAMEBUFFER_PA_START) && (addr < (IO_GCARD_FRAMEBUFFER_PA_END))) { |
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gcard_read128_native(addr, data); |
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return IO_MEM_ACCESS_OK; |
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} |
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IO_CORE_ERR("no one is responsible for address %08x (read128 from %08x)\n", addr, ppc_cpu_get_pc(0)); |
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return IO_MEM_ACCESS_FATAL; |
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} |
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|
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void io_init(); |
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void io_done(); |
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void io_init_config(); |
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|
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#endif |
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