avr/qmk/ChibiOS - [no description]

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author	Giovanni Di Sirio <gdisirio@gmail.com>	2018-09-28 12:43:17 +0000
committer	Giovanni Di Sirio <gdisirio@gmail.com>	2018-09-28 12:43:17 +0000
commit	1dcfea82ecb4c16cade1380f23fd6f239021ebdd (patch)
tree	1b2a80db243f5fe6c795d890da04acbd566e7bef /testhal/STM32/STM32F1xx/I2C
parent	e442d39b3efa6acbaecbc396b39a3db3171e6a72 (diff)
download	ChibiOS-1dcfea82ecb4c16cade1380f23fd6f239021ebdd.tar.gz ChibiOS-1dcfea82ecb4c16cade1380f23fd6f239021ebdd.tar.bz2 ChibiOS-1dcfea82ecb4c16cade1380f23fd6f239021ebdd.zip

OSLIB test suite updated.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12305 110e8d01-0319-4d1e-a829-52ad28d1bb01

Diffstat (limited to 'testhal/STM32/STM32F1xx/I2C')

0 files changed, 0 insertions, 0 deletions

#ifndef _ASM_IO_H #define _ASM_IO_H #include <xen/config.h> #include <asm/page.h> /* * This file contains the definitions for the x86 IO instructions * inb/inw/inl/outb/outw/outl and the "string versions" of the same * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing" * versions of the single-IO instructions (inb_p/inw_p/..). * * This file is not meant to be obfuscating: it's just complicated * to (a) handle it all in a way that makes gcc able to optimize it * as well as possible and (b) trying to avoid writing the same thing * over and over again with slight variations and possibly making a * mistake somewhere. */ /* * Thanks to James van Artsdalen for a better timing-fix than * the two short jumps: using outb's to a nonexistent port seems * to guarantee better timings even on fast machines. * * On the other hand, I'd like to be sure of a non-existent port: * I feel a bit unsafe about using 0x80 (should be safe, though) * * Linus */ /* * Bit simplified and optimized by Jan Hubicka * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999. * * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added, * isa_read[wl] and isa_write[wl] fixed * - Arnaldo Carvalho de Melo <acme@conectiva.com.br> */ #ifdef SLOW_IO_BY_JUMPING #define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:" #else #define __SLOW_DOWN_IO "\noutb %%al,$0x80" #endif #ifdef REALLY_SLOW_IO #define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO #else #define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO #endif /* * Talk about misusing macros.. */ #define __OUT1(s,x) \ extern inline void out##s(unsigned x value, unsigned short port) { #define __OUT2(s,s1,s2) \ __asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1" #define __OUT(s,s1,x) \ __OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \ __OUT1(s##_p,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} \ #define __IN1(s) \ extern inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v; #define __IN2(s,s1,s2) \ __asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0" #define __IN(s,s1,i...) \ __IN1(s) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \ __IN1(s##_p) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \ #define __INS(s) \ extern inline void ins##s(unsigned short port, void * addr, unsigned long count) \ { __asm__ __volatile__ ("rep ; ins" #s \ : "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } #define __OUTS(s) \ extern inline void outs##s(unsigned short port, const void * addr, unsigned long count) \ { __asm__ __volatile__ ("rep ; outs" #s \ : "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } #define RETURN_TYPE unsigned char __IN(b,"") #undef RETURN_TYPE #define RETURN_TYPE unsigned short __IN(w,"") #undef RETURN_TYPE #define RETURN_TYPE unsigned int __IN(l,"") #undef RETURN_TYPE __OUT(b,"b",char) __OUT(w,"w",short) __OUT(l,,int) __INS(b) __INS(w) __INS(l) __OUTS(b) __OUTS(w) __OUTS(l) #define IO_SPACE_LIMIT 0xffff /* * Temporary debugging check to catch old code using * unmapped ISA addresses. Will be removed in 2.4. */ #ifdef CONFIG_IO_DEBUG extern void *__io_virt_debug(unsigned long x, const char *file, int line); extern unsigned long __io_phys_debug(unsigned long x, const char *file, int line); #define __io_virt(x) __io_virt_debug((unsigned long)(x), __FILE__, __LINE__) //#define __io_phys(x) __io_phys_debug((unsigned long)(x), __FILE__, __LINE__) #else #define __io_virt(x) ((void *)(x)) //#define __io_phys(x) __pa(x) #endif /* * Change virtual addresses to physical addresses and vv. * These are pretty trivial */ extern inline unsigned long virt_to_phys(volatile void * address) { return __pa(address); } extern inline void * phys_to_virt(unsigned long address) { return __va(address); } /* * Change "struct page" to physical address. */ #ifdef CONFIG_DISCONTIGMEM #include <asm/mmzone.h> #else #define page_to_phys(page) (((page) - frame_table) << PAGE_SHIFT) #endif #define page_to_pfn(page) ((unsigned long)((_page) - frame_table)) #define page_to_virt(page) (phys_to_virt(page_to_phys(_page))) extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags); extern inline void * ioremap (unsigned long offset, unsigned long size) { return __ioremap(offset, size, 0); } /* * This one maps high address device memory and turns off caching for that area. * it's useful if some control registers are in such an area and write combining * or read caching is not desirable: */ extern inline void * ioremap_nocache (unsigned long offset, unsigned long size) { return __ioremap(offset, size, _PAGE_PCD); } extern void iounmap(void *addr); /* * IO bus memory addresses are also 1:1 with the physical address */ #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt #define page_to_bus page_to_phys /* * readX/writeX() are used to access memory mapped devices. On some * architectures the memory mapped IO stuff needs to be accessed * differently. On the x86 architecture, we just read/write the * memory location directly. */ #define readb(addr) (*(volatile unsigned char *) __io_virt(addr)) #define readw(addr) (*(volatile unsigned short *) __io_virt(addr)) #define readl(addr) (*(volatile unsigned int *) __io_virt(addr)) #define readq(addr) (*(volatile unsigned long *) __io_virt(addr)) #define __raw_readb readb #define __raw_readw readw #define __raw_readl readl #define __raw_readq readq #define writeb(b,addr) (*(volatile unsigned char *) __io_virt(addr) = (b)) #define writew(b,addr) (*(volatile unsigned short *) __io_virt(addr) = (b)) #define writel(b,addr) (*(volatile unsigned int *) __io_virt(addr) = (b)) #define writeq(b,addr) (*(volatile unsigned long *) __io_virt(addr) = (b)) #define __raw_writeb writeb #define __raw_writew writew #define __raw_writel writel #define __raw_writeq writeq void *memcpy_fromio(void*,const void*,unsigned); void *memcpy_toio(void*,const void*,unsigned); #define memset_io(a,b,c) memset(__io_virt(a),(b),(c)) /* * ISA space is 'always mapped' on a typical x86 system, no need to * explicitly ioremap() it. The fact that the ISA IO space is mapped * to PAGE_OFFSET is pure coincidence - it does not mean ISA values * are physical addresses. The following constant pointer can be * used as the IO-area pointer (it can be iounmapped as well, so the * analogy with PCI is quite large): */ #define __ISA_IO_base ((char *)(PAGE_OFFSET)) #define isa_readb(a) readb(__ISA_IO_base + (a)) #define isa_readw(a) readw(__ISA_IO_base + (a)) #define isa_readl(a) readl(__ISA_IO_base + (a)) #define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a)) #define isa_writew(w,a) writew(w,__ISA_IO_base + (a)) #define isa_writel(l,a) writel(l,__ISA_IO_base + (a)) #define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c)) #define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c)) #define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c)) /* * Again, x86-64 does not require mem IO specific function. */ #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),__io_virt(b),(c),(d)) #define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),__io_virt(__ISA_IO_base + (b)),(c),(d)) static inline int check_signature(unsigned long io_addr, const unsigned char *signature, int length) { int retval = 0; do { if (readb(io_addr) != *signature) goto out; io_addr++; signature++; length--; } while (length); retval = 1; out: return retval; } static inline int isa_check_signature(unsigned long io_addr, const unsigned char *signature, int length) { int retval = 0; do { if (isa_readb(io_addr) != *signature) goto out; io_addr++; signature++; length--; } while (length); retval = 1; out: return retval; } /* Nothing to do */ #define dma_cache_inv(_start,_size) do { } while (0) #define dma_cache_wback(_start,_size) do { } while (0) #define dma_cache_wback_inv(_start,_size) do { } while (0) #define flush_write_buffers() #endif


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