?? pci2.c
字號:
//==========================================================================//// pci2.c//// Test PCI library's resource allocation.////==========================================================================//####ECOSGPLCOPYRIGHTBEGIN####// -------------------------------------------// This file is part of eCos, the Embedded Configurable Operating System.// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.//// eCos 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 or (at your option) any later version.//// eCos is distributed in the hope that it will be useful, but WITHOUT ANY// WARRANTY; without even the implied warranty of MERCHANTABILITY or// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License// for more details.//// You should have received a copy of the GNU General Public License along// with eCos; if not, write to the Free Software Foundation, Inc.,// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.//// As a special exception, if other files instantiate templates or use macros// or inline functions from this file, or you compile this file and link it// with other works to produce a work based on this file, this file does not// by itself cause the resulting work to be covered by the GNU General Public// License. However the source code for this file must still be made available// in accordance with section (3) of the GNU General Public License.//// This exception does not invalidate any other reasons why a work based on// this file might be covered by the GNU General Public License.//// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.// at http://sources.redhat.com/ecos/ecos-license/// -------------------------------------------//####ECOSGPLCOPYRIGHTEND####//==========================================================================//#####DESCRIPTIONBEGIN####//// Author(s): jskov// Contributors: jskov// Date: 1999-03-17// Description: Simple test that prints out information about found// PCI devices. Entirely passive - no configuration happens.// //####DESCRIPTIONEND#####include <pkgconf/system.h>#include <cyg/infra/diag.h> // diag_printf#include <cyg/infra/testcase.h> // test macros#include <cyg/infra/cyg_ass.h> // assertion macros// Package requirements#if defined(CYGPKG_IO_PCI) && defined(CYGPKG_KERNEL)#include <pkgconf/kernel.h>#include <pkgconf/io_pci.h>#include <cyg/io/pci.h>#include <cyg/hal/hal_arch.h>// Package option requirements#if defined(CYGFUN_KERNEL_API_C) && defined(CYG_PCI_PRESENT)#include <cyg/kernel/kapi.h>unsigned char stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];cyg_thread thread_data;cyg_handle_t thread_handle;voidpci_test( void ){ cyg_pci_device dev_info; CYG_PCI_ADDRESS64 mem_base; CYG_PCI_ADDRESS64 mem_assigned_addr; CYG_PCI_ADDRESS32 io_base; CYG_PCI_ADDRESS32 io_assigned_addr; // Verify that space type requests are checked. dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO; CYG_TEST_CHECK(!cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base, &mem_assigned_addr), "cyg_pci_allocate_memory_priv accepted IO request"); dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM; CYG_TEST_CHECK(!cyg_pci_allocate_io_priv(&dev_info, 0, &io_base, &io_assigned_addr), "cyg_pci_allocate_io_priv accepted MEM request"); // Check allocation and alignment of IO space io_base = 0x0000; // Size 4 dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffffc; CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base, &io_assigned_addr), "cyg_pci_allocate_io_priv(4) failed"); CYG_TEST_CHECK(0x0004 == io_base, "cyg_pci_allocate_io_priv(4) size failed"); CYG_TEST_CHECK(0x0000 == io_assigned_addr, "cyg_pci_allocate_io_priv(4) align failed"); // Size 8 (alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffff8; CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base, &io_assigned_addr), "cyg_pci_allocate_io_priv(8) failed"); CYG_TEST_CHECK(0x0010 == io_base, "cyg_pci_allocate_io_priv(8) size failed"); CYG_TEST_CHECK(0x0008 == io_assigned_addr, "cyg_pci_allocate_io_priv(8) align failed"); // Size 16 (no alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffff0; CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base, &io_assigned_addr), "cyg_pci_allocate_io_priv(16) failed"); CYG_TEST_CHECK(0x0020 == io_base, "cyg_pci_allocate_io_priv(16) size failed"); CYG_TEST_CHECK(0x0010 == io_assigned_addr, "cyg_pci_allocate_io_priv(16) align failed"); // Size 64 (alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xffffffc0; CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base, &io_assigned_addr), "cyg_pci_allocate_io_priv(64) failed"); CYG_TEST_CHECK(0x0080 == io_base, "cyg_pci_allocate_io_priv(64) size failed"); CYG_TEST_CHECK(0x0040 == io_assigned_addr, "cyg_pci_allocate_io_priv(64) align failed"); // Size 256 (alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xffffff00; CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base, &io_assigned_addr), "cyg_pci_allocate_io_priv(256) failed"); CYG_TEST_CHECK(0x0200 == io_base, "cyg_pci_allocate_io_priv(256) size failed"); CYG_TEST_CHECK(0x0100 == io_assigned_addr, "cyg_pci_allocate_io_priv(256) align failed"); // Check allocation and alignment of MEM space mem_base = 0x00000000; // Size 16 (no alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xfffffff0; CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base, &mem_assigned_addr), "cyg_pci_allocate_memory_priv(16) failed"); CYG_TEST_CHECK(0x00000010 == mem_base, "cyg_pci_allocate_memory_priv(16) size failed"); CYG_TEST_CHECK(0x00000000 == mem_assigned_addr, "cyg_pci_allocate_memory_priv(16) align failed"); // Size 64 (alignment required - <1MB) dev_info.base_size[0] = (CYG_PCI_CFG_BAR_SPACE_MEM | CYG_PRI_CFG_BAR_MEM_TYPE_1M | 0xffffffc0); CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base, &mem_assigned_addr), "cyg_pci_allocate_memory_priv(64/<1MB) failed"); CYG_TEST_CHECK(0x00000080 == mem_base, "cyg_pci_allocate_memory_priv(64/<1MB) size failed"); CYG_TEST_CHECK(0x00000040 == mem_assigned_addr, "cyg_pci_allocate_memory_priv(64/<1MB) align failed"); // Size 1MB (alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xfff00000; CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base, &mem_assigned_addr), "cyg_pci_allocate_memory_priv(1MB) failed"); CYG_TEST_CHECK(0x00200000 == mem_base, "cyg_pci_allocate_memory_priv(1MB) size failed"); CYG_TEST_CHECK(0x00100000 == mem_assigned_addr, "cyg_pci_allocate_memory_priv(1MB) align failed"); // Size 16MB (alignment required) dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xff000000; CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base, &mem_assigned_addr), "cyg_pci_allocate_memory_priv(16MB) failed"); CYG_TEST_CHECK(0x02000000 == mem_base, "cyg_pci_allocate_memory_priv(16MB) size failed"); CYG_TEST_CHECK(0x01000000 == mem_assigned_addr, "cyg_pci_allocate_memory_priv(16MB) align failed"); // Size 32 (no alignment required - <1MB - FAILS!) // Note: When more clever allocation has been made for the bottom // 1MB of PCI memory space, this test needs to be made more elaborate. dev_info.base_size[0] = (CYG_PCI_CFG_BAR_SPACE_MEM | CYG_PRI_CFG_BAR_MEM_TYPE_1M | 0xffffffe0); CYG_TEST_CHECK(!cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base, &mem_assigned_addr), "cyg_pci_allocate_memory_priv(32/<1MB) unexpectedly worked!"); // TBD: Check 64bit MEM allocation. CYG_TEST_PASS_FINISH("pci2 test OK");}voidcyg_start(void){ CYG_TEST_INIT(); cyg_thread_create(10, // Priority - just a number (cyg_thread_entry_t*)pci_test, // entry 0, // "pci_thread", // Name &stack[0], // Stack CYGNUM_HAL_STACK_SIZE_TYPICAL, // Size &thread_handle, // Handle &thread_data // Thread data structure ); cyg_thread_resume(thread_handle); cyg_scheduler_start();}#else // CYGFUN_KERNEL_API_C && CYG_PCI_PRESENT#define N_A_MSG "Needs kernel C API & PCI platform support"#endif#else // CYGPKG_IO_PCI && CYGPKG_KERNEL#define N_A_MSG "Needs IO/PCI and Kernel"#endif#ifdef N_A_MSGvoidcyg_start( void ){ CYG_TEST_INIT(); CYG_TEST_NA( N_A_MSG);}#endif // N_A_MSG// EOF pci1.c
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -