/* * BeOS kernel compatibility layer * * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License * at http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and * limitations under the License. * * The initial developer of the original code is David A. Hinds * . Portions created by David A. Hinds * are Copyright (C) 1998 David A. Hinds. All Rights Reserved. */ #ifndef _BE_K_COMPAT_H #define _BE_K_COMPAT_H #include #include #include #include #include #include #include #include #define u32 uint32 #define u16 uint16 #define u8 uint8 #define __KERNEL__ #define __init #define __exit /* IO port access */ #define inb(p) (isa->read_io_8)(p) #define inw(p) (isa->read_io_16)(p) #define inl(p) (isa->read_io_32)(p) #define outb(d,p) (isa->write_io_8)(p,d) #define outw(d,p) (isa->write_io_16)(p,d) #define outl(d,p) (isa->write_io_32)(p,d) /* Memory-mapped IO access: unlike Linux, BeOS allows dereferencing pointers to mapped devices */ #define readb(p) (*(volatile u_char *)(p)) #define readw(p) (*(volatile u_short *)(p)) #define readl(p) (*(volatile u_int *)(p)) #define writeb(b, p) (*(volatile u_char *)(p) = (b)) #define writew(w, p) (*(volatile u_short *)(p) = (w)) #define writel(l, p) (*(volatile u_int *)(p) = (l)) #define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c)) #define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c)) /* Byte swapping */ #define le16_to_cpu B_LENDIAN_TO_HOST_INT16 #define le32_to_cpu B_LENDIAN_TO_HOST_INT32 #define cpu_to_le16 B_HOST_TO_LENDIAN_INT16 #define cpu_to_le32 B_HOST_TO_LENDIAN_INT32 #define writew_ns writew #define readw_ns readw /* Copying data between kernel and user space: BeOS can directly dereference user pointers in kernel mode */ #define get_user(x, p) ((x) = *(p)) #define put_user(x, p) (*(p) = (x)) #define copy_from_user memcpy #define copy_to_user memcpy /* Virtual memory mapping: this is somewhat inelegant, but lets us use drop-in replacements for the Linux equivalents */ // #define PAGE_SIZE (0x1000) static inline void *ioremap(u_long base, u_long size) { char tag[B_OS_NAME_LENGTH]; area_id id; void *virt; sprintf(tag, "pccard %08lx", base); id = map_physical_memory(tag, (void *)base, size, B_ANY_KERNEL_ADDRESS, B_READ_AREA | B_WRITE_AREA, &virt); return (id < 0) ? NULL : virt; } static inline void iounmap(void *virt) { area_id id = area_for(virt); if (id >= 0) delete_area(id); } /* Resource management: use helper functions from the PCMCIA resource manager module. RSRC_MGR needs to be defined appropriately if the calls are via a module_info structure. */ #define request_region(base, num, name) \ (RSRC_MGR register_resource(B_IO_PORT_RESOURCE, (base), (num))) #define vacate_region release_region #define vacate_mem_region release_mem_region #define release_region(base, num) \ (RSRC_MGR release_resource(B_IO_PORT_RESOURCE, (base), (num))) #define check_region(base, num) \ (RSRC_MGR check_resource(B_IO_PORT_RESOURCE, (base), (num))) #define request_mem_region(base, num, name) \ (RSRC_MGR register_resource(B_MEMORY_RESOURCE, (base), (num))) #define release_mem_region(base, num) \ (RSRC_MGR release_resource(B_MEMORY_RESOURCE, (base), (num))) #define check_mem_region(base, num) \ (RSRC_MGR check_resource(B_MEMORY_RESOURCE, (base), (num))) #define register_irq(irq) \ (RSRC_MGR register_resource(B_IRQ_RESOURCE, (irq), 0)) #define release_irq(irq) \ (RSRC_MGR release_resource(B_IRQ_RESOURCE, (irq), 0)) #define check_irq(irq) \ (RSRC_MGR check_resource(B_IRQ_RESOURCE, (irq), 0)) #define ACQUIRE_RESOURCE_LOCK \ do { module_info *m; \ get_module(B_CONFIG_MANAGER_FOR_DRIVER_MODULE_NAME, &m); } while (0) #define RELEASE_RESOURCE_LOCK \ put_module(B_CONFIG_MANAGER_FOR_DRIVER_MODULE_NAME) /* Memory allocation. BeOS doesn't have an atomic malloc. */ #define kmalloc(s,f) malloc(s) #define kfree(p) free(p) #define kfree_s(p,s) free(p) void *malloc(); void free(void *); /* PCI configuration register access */ #define pcibios_present() (1) #define pcibios_read_config_byte(b,df,o,v) \ ((*(v) = pci->read_pci_config(b,(df)>>3,((df)&7),o,1)),0) #define pcibios_read_config_word(b,df,o,v) \ ((*(v) = pci->read_pci_config(b,(df)>>3,((df)&7),o,2)),0) #define pcibios_read_config_dword(b,df,o,v) \ ((*(v) = pci->read_pci_config(b,(df)>>3,((df)&7),o,4)),0) #define pcibios_write_config_byte(b,df,o,v) \ (pci->write_pci_config(b,(df)>>3,((df)&7),o,1,v),0) #define pcibios_write_config_word(b,df,o,v) \ (pci->write_pci_config(b,(df)>>3,((df)&7),o,2,v),0) #define pcibios_write_config_dword(b,df,o,v) \ (pci->write_pci_config(b,(df)>>3,((df)&7),o,4,v),0) #define PCI_VENDOR_ID PCI_vendor_id #define PCI_DEVICE_ID PCI_device_id #define PCI_COMMAND PCI_command #define PCI_COMMAND_IO PCI_command_io #define PCI_COMMAND_MEMORY PCI_command_memory #define PCI_COMMAND_MASTER PCI_command_master #define PCI_COMMAND_WAIT PCI_command_address_step #define PCI_STATUS PCI_status #define PCI_CLASS_REVISION PCI_revision #define PCI_CACHE_LINE_SIZE PCI_line_size #define PCI_LATENCY_TIMER PCI_latency #define PCI_INTERRUPT_LINE PCI_interrupt_line #define PCI_INTERRUPT_PIN PCI_interrupt_pin #define PCI_HEADER_TYPE PCI_header_type #define PCI_BASE_ADDRESS_0 PCI_base_registers #define PCI_BASE_ADDRESS_SPACE PCI_address_space #define PCI_BASE_ADDRESS_MEM_MASK PCI_address_memory_32_mask #define PCI_BASE_ADDRESS_IO_MASK PCI_address_io_mask #define PCI_BASE_ADDRESS_MEM_PREFETCH PCI_address_prefetchable #define PCI_FUNC(devfn) ((devfn)&7) #define PCI_SLOT(devfn) ((devfn)>>3) #define PCI_DEVFN(dev,fn) (((dev)<<3)|((fn)&7)) #define PCI_CLASS_BRIDGE_PCMCIA 0x0605 #define PCI_CLASS_BRIDGE_CARDBUS 0x0607 /* Atomic test-and-set */ #define test_and_set_bit(b,p) (((atomic_or(p,(1<<(b))))>>(b))&1) /* Spin locks */ #define __SMP__ #define spinlock_t spinlock #define USE_SPIN_LOCKS #define SPIN_LOCK_UNLOCKED 0 #define spin_lock_irqsave(l,f) \ do { f = disable_interrupts(); acquire_spinlock(l); } while (0) #define spin_unlock_irqrestore(l,f) \ do { release_spinlock(l); restore_interrupts(f); } while (0) /* Interrupt handling */ #define request_irq(i,h,f,n,d) install_io_interrupt_handler(i,h,d,0) #define free_irq(i,h) remove_io_interrupt(i,h) //#define REQUEST_IRQ(i,h,f,n,d) install_io_interrupt_handler(i,h,d,0) //#define FREE_IRQ(i,h,d) remove_io_interrupt(i,h) //#define IRQ(i,d,r) (d) #define IRQ #define DEV_ID dev_id #define NR_IRQS 16 #define SA_SHIRQ 1 #define init_waitqueue(w) memset((w), 0, sizeof(*w)) #define init_waitqueue_head(w) memset((w), 0, sizeof(*w)) #define signal_pending(a) has_signals_pending(NULL) /* Miscellaneous services */ typedef long long k_time_t; #define schedule_timeout(x) snooze(x) #define udelay(d) spin(d) #define mdelay(d) \ do { int i; for (i=0;i #define add_timer my_add_timer #define del_timer my_del_timer /* Module handling stuff */ #define MODULE_AUTHOR(x) #define MODULE_DESCRIPTION(x) #define MODULE_LICENSE(x) #define MODULE_PARM(a,b) extern int __dummy_decl #define MOD_INC_USE_COUNT #define MOD_DEC_USE_COUNT #endif /* _BE_K_COMPAT_H */