diff options
Diffstat (limited to 'arch/cris/include/arch-v10')
23 files changed, 0 insertions, 1953 deletions
diff --git a/arch/cris/include/arch-v10/arch/bitops.h b/arch/cris/include/arch-v10/arch/bitops.h deleted file mode 100644 index c18f81858899..000000000000 --- a/arch/cris/include/arch-v10/arch/bitops.h +++ /dev/null @@ -1,74 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* asm/arch/bitops.h for Linux/CRISv10 */ - -#ifndef _CRIS_ARCH_BITOPS_H -#define _CRIS_ARCH_BITOPS_H - -/* - * Helper functions for the core of the ff[sz] functions, wrapping the - * syntactically awkward asms. The asms compute the number of leading - * zeroes of a bits-in-byte and byte-in-word and word-in-dword-swapped - * number. They differ in that the first function also inverts all bits - * in the input. - */ -static inline unsigned long cris_swapnwbrlz(unsigned long w) -{ - /* Let's just say we return the result in the same register as the - input. Saying we clobber the input but can return the result - in another register: - ! __asm__ ("swapnwbr %2\n\tlz %2,%0" - ! : "=r,r" (res), "=r,X" (dummy) : "1,0" (w)); - confuses gcc (core.c, gcc from cris-dist-1.14). */ - - unsigned long res; - __asm__ ("swapnwbr %0 \n\t" - "lz %0,%0" - : "=r" (res) : "0" (w)); - return res; -} - -static inline unsigned long cris_swapwbrlz(unsigned long w) -{ - unsigned res; - __asm__ ("swapwbr %0 \n\t" - "lz %0,%0" - : "=r" (res) - : "0" (w)); - return res; -} - -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long ffz(unsigned long w) -{ - return cris_swapnwbrlz(w); -} - -/** - * __ffs - find first bit in word. - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline unsigned long __ffs(unsigned long word) -{ - return cris_swapnwbrlz(~word); -} - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -static inline unsigned long kernel_ffs(unsigned long w) -{ - return w ? cris_swapwbrlz (w) + 1 : 0; -} - -#endif diff --git a/arch/cris/include/arch-v10/arch/bug.h b/arch/cris/include/arch-v10/arch/bug.h deleted file mode 100644 index 06da9d49152a..000000000000 --- a/arch/cris/include/arch-v10/arch/bug.h +++ /dev/null @@ -1,74 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_CRISv10_ARCH_BUG_H -#define __ASM_CRISv10_ARCH_BUG_H - -#include <linux/stringify.h> - -#ifdef CONFIG_BUG -#ifdef CONFIG_DEBUG_BUGVERBOSE -/* The BUG() macro is used for marking obviously incorrect code paths. - * It will cause a message with the file name and line number to be printed, - * and then cause an oops. The message is actually printed by handle_BUG() - * in arch/cris/kernel/traps.c, and the reason we use this method of storing - * the file name and line number is that we do not want to affect the registers - * by calling printk() before causing the oops. - */ - -#define BUG_PREFIX 0x0D7F -#define BUG_MAGIC 0x00001234 - -struct bug_frame { - unsigned short prefix; - unsigned int magic; - unsigned short clear; - unsigned short movu; - unsigned short line; - unsigned short jump; - unsigned char *filename; -}; - -#if 0 -/* Unfortunately this version of the macro does not work due to a problem - * with the compiler (aka a bug) when compiling with -O2, which sometimes - * erroneously causes the second input to be stored in a register... - */ -#define BUG() \ - __asm__ __volatile__ ("clear.d [" __stringify(BUG_MAGIC) "]\n\t"\ - "movu.w %0,$r0\n\t" \ - "jump %1\n\t" \ - : : "i" (__LINE__), "i" (__FILE__)) -#else -/* This version will have to do for now, until the compiler is fixed. - * The drawbacks of this version are that the file name will appear multiple - * times in the .rodata section, and that __LINE__ and __FILE__ can probably - * not be used like this with newer versions of gcc. - */ -#define BUG() \ -do { \ - __asm__ __volatile__ ("clear.d [" __stringify(BUG_MAGIC) "]\n\t"\ - "movu.w " __stringify(__LINE__) ",$r0\n\t"\ - "jump 0f\n\t" \ - ".section .rodata\n" \ - "0:\t.string \"" __FILE__ "\"\n\t" \ - ".previous"); \ - unreachable(); \ -} while (0) -#endif - -#else - -/* This just causes an oops. */ -#define BUG() \ -do { \ - barrier_before_unreachable(); \ - __builtin_trap(); \ -} while (0) - -#endif - -#define HAVE_ARCH_BUG -#endif - -#include <asm-generic/bug.h> - -#endif diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h deleted file mode 100644 index d4049bcab3c5..000000000000 --- a/arch/cris/include/arch-v10/arch/cache.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_ARCH_CACHE_H -#define _ASM_ARCH_CACHE_H - -/* Etrax 100LX have 32-byte cache-lines. */ -#define L1_CACHE_BYTES 32 -#define L1_CACHE_SHIFT 5 - -#endif /* _ASM_ARCH_CACHE_H */ diff --git a/arch/cris/include/arch-v10/arch/checksum.h b/arch/cris/include/arch-v10/arch/checksum.h deleted file mode 100644 index eb186be4fb32..000000000000 --- a/arch/cris/include/arch-v10/arch/checksum.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_ARCH_CHECKSUM_H -#define _CRIS_ARCH_CHECKSUM_H - -/* Checksum some values used in TCP/UDP headers. - * - * The gain by doing this in asm is that C will not generate carry-additions - * for the 32-bit components of the checksum, so otherwise we would have had - * to split all of those into 16-bit components, then add. - */ - -static inline __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, - __u8 proto, __wsum sum) -{ - __wsum res; - __asm__ ("add.d %2, %0\n\t" - "ax\n\t" - "add.d %3, %0\n\t" - "ax\n\t" - "add.d %4, %0\n\t" - "ax\n\t" - "addq 0, %0\n" - : "=r" (res) - : "0" (sum), "r" (daddr), "r" (saddr), "r" ((len + proto) << 8)); - - return res; -} - -#endif diff --git a/arch/cris/include/arch-v10/arch/delay.h b/arch/cris/include/arch-v10/arch/delay.h deleted file mode 100644 index a57d2cc0baf7..000000000000 --- a/arch/cris/include/arch-v10/arch/delay.h +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_ARCH_DELAY_H -#define _CRIS_ARCH_DELAY_H - -static inline void __delay(int loops) -{ - __asm__ __volatile__ ( - "move.d %0,$r9\n\t" - "beq 2f\n\t" - "subq 1,$r9\n\t" - "1:\n\t" - "bne 1b\n\t" - "subq 1,$r9\n" - "2:" - : : "g" (loops) : "r9"); -} - -#endif /* defined(_CRIS_ARCH_DELAY_H) */ - - - diff --git a/arch/cris/include/arch-v10/arch/dma.h b/arch/cris/include/arch-v10/arch/dma.h deleted file mode 100644 index ea794a32cf5e..000000000000 --- a/arch/cris/include/arch-v10/arch/dma.h +++ /dev/null @@ -1,75 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* Defines for using and allocating dma channels. */ - -#ifndef _ASM_ARCH_DMA_H -#define _ASM_ARCH_DMA_H - -#define MAX_DMA_CHANNELS 10 - -/* dma0 and dma1 used for network (ethernet) */ -#define NETWORK_TX_DMA_NBR 0 -#define NETWORK_RX_DMA_NBR 1 - -/* dma2 and dma3 shared by par0, scsi0, ser2 and ata */ -#define PAR0_TX_DMA_NBR 2 -#define PAR0_RX_DMA_NBR 3 -#define SCSI0_TX_DMA_NBR 2 -#define SCSI0_RX_DMA_NBR 3 -#define SER2_TX_DMA_NBR 2 -#define SER2_RX_DMA_NBR 3 -#define ATA_TX_DMA_NBR 2 -#define ATA_RX_DMA_NBR 3 - -/* dma4 and dma5 shared by par1, scsi1, ser3 and extdma0 */ -#define PAR1_TX_DMA_NBR 4 -#define PAR1_RX_DMA_NBR 5 -#define SCSI1_TX_DMA_NBR 4 -#define SCSI1_RX_DMA_NBR 5 -#define SER3_TX_DMA_NBR 4 -#define SER3_RX_DMA_NBR 5 -#define EXTDMA0_TX_DMA_NBR 4 -#define EXTDMA0_RX_DMA_NBR 5 - -/* dma6 and dma7 shared by ser0, extdma1 and mem2mem */ -#define SER0_TX_DMA_NBR 6 -#define SER0_RX_DMA_NBR 7 -#define EXTDMA1_TX_DMA_NBR 6 -#define EXTDMA1_RX_DMA_NBR 7 -#define MEM2MEM_TX_DMA_NBR 6 -#define MEM2MEM_RX_DMA_NBR 7 - -/* dma8 and dma9 shared by ser1 and usb */ -#define SER1_TX_DMA_NBR 8 -#define SER1_RX_DMA_NBR 9 -#define USB_TX_DMA_NBR 8 -#define USB_RX_DMA_NBR 9 - -#endif - -enum dma_owner -{ - dma_eth, - dma_ser0, - dma_ser1, /* Async and sync */ - dma_ser2, - dma_ser3, /* Async and sync */ - dma_ata, - dma_par0, - dma_par1, - dma_ext0, - dma_ext1, - dma_int6, - dma_int7, - dma_usb, - dma_scsi0, - dma_scsi1 -}; - -/* Masks used by cris_request_dma options: */ -#define DMA_VERBOSE_ON_ERROR (1<<0) -#define DMA_PANIC_ON_ERROR ((1<<1)|DMA_VERBOSE_ON_ERROR) - -int cris_request_dma(unsigned int dmanr, const char * device_id, - unsigned options, enum dma_owner owner); - -void cris_free_dma(unsigned int dmanr, const char * device_id); diff --git a/arch/cris/include/arch-v10/arch/io.h b/arch/cris/include/arch-v10/arch/io.h deleted file mode 100644 index bae5f77cfabc..000000000000 --- a/arch/cris/include/arch-v10/arch/io.h +++ /dev/null @@ -1,173 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_ARCH_CRIS_IO_H -#define _ASM_ARCH_CRIS_IO_H - -/* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */ - -extern unsigned long gen_config_ii_shadow; -extern unsigned long port_g_data_shadow; -extern unsigned char port_pa_dir_shadow; -extern unsigned char port_pa_data_shadow; -extern unsigned char port_pb_i2c_shadow; -extern unsigned char port_pb_config_shadow; -extern unsigned char port_pb_dir_shadow; -extern unsigned char port_pb_data_shadow; -extern unsigned long r_timer_ctrl_shadow; - -extern unsigned long port_cse1_shadow; -extern unsigned long port_csp0_shadow; -extern unsigned long port_csp4_shadow; - -extern volatile unsigned long *port_cse1_addr; -extern volatile unsigned long *port_csp0_addr; -extern volatile unsigned long *port_csp4_addr; - -/* macro for setting regs through a shadow - - * r = register name (like R_PORT_PA_DATA) - * s = shadow name (like port_pa_data_shadow) - * b = bit number - * v = value (0 or 1) - */ - -#define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b)) - -/* The LED's on various Etrax-based products are set differently. */ - -#if defined(CONFIG_ETRAX_NO_LEDS) -#undef CONFIG_ETRAX_PA_LEDS -#undef CONFIG_ETRAX_PB_LEDS -#undef CONFIG_ETRAX_CSP0_LEDS -#define CRIS_LED_NETWORK_SET_G(x) -#define CRIS_LED_NETWORK_SET_R(x) -#define CRIS_LED_ACTIVE_SET_G(x) -#define CRIS_LED_ACTIVE_SET_R(x) -#define CRIS_LED_DISK_WRITE(x) -#define CRIS_LED_DISK_READ(x) -#endif - -#if !defined(CONFIG_ETRAX_CSP0_LEDS) -#define CRIS_LED_BIT_SET(x) -#define CRIS_LED_BIT_CLR(x) -#endif - -#define CRIS_LED_OFF 0x00 -#define CRIS_LED_GREEN 0x01 -#define CRIS_LED_RED 0x02 -#define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED) - -#if defined(CONFIG_ETRAX_NO_LEDS) -#define CRIS_LED_NETWORK_SET(x) -#else -#if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R -#define CRIS_LED_NETWORK_SET(x) \ - do { \ - CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \ - } while (0) -#else -#define CRIS_LED_NETWORK_SET(x) \ - do { \ - CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \ - CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED); \ - } while (0) -#endif -#if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R -#define CRIS_LED_ACTIVE_SET(x) \ - do { \ - CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \ - } while (0) -#else -#define CRIS_LED_ACTIVE_SET(x) \ - do { \ - CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \ - CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED); \ - } while (0) -#endif -#endif - -#ifdef CONFIG_ETRAX_PA_LEDS -#define CRIS_LED_NETWORK_SET_G(x) \ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x)) -#define CRIS_LED_NETWORK_SET_R(x) \ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x)) -#define CRIS_LED_ACTIVE_SET_G(x) \ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x)) -#define CRIS_LED_ACTIVE_SET_R(x) \ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x)) -#define CRIS_LED_DISK_WRITE(x) \ - do{\ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\ - }while(0) -#define CRIS_LED_DISK_READ(x) \ - REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, \ - CONFIG_ETRAX_LED3G, !(x)) -#endif - -#ifdef CONFIG_ETRAX_PB_LEDS -#define CRIS_LED_NETWORK_SET_G(x) \ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x)) -#define CRIS_LED_NETWORK_SET_R(x) \ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x)) -#define CRIS_LED_ACTIVE_SET_G(x) \ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x)) -#define CRIS_LED_ACTIVE_SET_R(x) \ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x)) -#define CRIS_LED_DISK_WRITE(x) \ - do{\ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\ - }while(0) -#define CRIS_LED_DISK_READ(x) \ - REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, \ - CONFIG_ETRAX_LED3G, !(x)) -#endif - -#ifdef CONFIG_ETRAX_CSP0_LEDS -#define CONFIGURABLE_LEDS\ - ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\ - (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\ - (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\ - (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\ - (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\ - (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\ - (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\ - (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\ - (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\ - (1 << CONFIG_ETRAX_LED12R )) - -#define CRIS_LED_NETWORK_SET_G(x) \ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x)) -#define CRIS_LED_NETWORK_SET_R(x) \ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x)) -#define CRIS_LED_ACTIVE_SET_G(x) \ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x)) -#define CRIS_LED_ACTIVE_SET_R(x) \ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x)) -#define CRIS_LED_DISK_WRITE(x) \ - do{\ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\ - }while(0) -#define CRIS_LED_DISK_READ(x) \ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x)) -#define CRIS_LED_BIT_SET(x)\ - do{\ - if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\ - }while(0) -#define CRIS_LED_BIT_CLR(x)\ - do{\ - if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\ - }while(0) -#endif - -# -#ifdef CONFIG_ETRAX_SOFT_SHUTDOWN -#define SOFT_SHUTDOWN() \ - REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1) -#else -#define SOFT_SHUTDOWN() -#endif - -#endif diff --git a/arch/cris/include/arch-v10/arch/io_interface_mux.h b/arch/cris/include/arch-v10/arch/io_interface_mux.h deleted file mode 100644 index 2d5617e67ab0..000000000000 --- a/arch/cris/include/arch-v10/arch/io_interface_mux.h +++ /dev/null @@ -1,76 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* IO interface mux allocator for ETRAX100LX. - * Copyright 2004, Axis Communications AB - * $Id: io_interface_mux.h,v 1.1 2004/12/13 12:21:53 starvik Exp $ - */ - - -#ifndef _IO_INTERFACE_MUX_H -#define _IO_INTERFACE_MUX_H - - -/* C.f. ETRAX100LX Designer's Reference 20.9 */ - -/* The order in enum must match the order of interfaces[] in - * io_interface_mux.c */ -enum cris_io_interface { - /* Begin Non-multiplexed interfaces */ - if_eth = 0, - if_serial_0, - /* End Non-multiplexed interfaces */ - if_serial_1, - if_serial_2, - if_serial_3, - if_sync_serial_1, - if_sync_serial_3, - if_shared_ram, - if_shared_ram_w, - if_par_0, - if_par_1, - if_par_w, - if_scsi8_0, - if_scsi8_1, - if_scsi_w, - if_ata, - if_csp, - if_i2c, - if_usb_1, - if_usb_2, - /* GPIO pins */ - if_gpio_grp_a, - if_gpio_grp_b, - if_gpio_grp_c, - if_gpio_grp_d, - if_gpio_grp_e, - if_gpio_grp_f, - if_max_interfaces, - if_unclaimed -}; - -int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id); - -void cris_free_io_interface(enum cris_io_interface ioif); - -/* port can be 'a', 'b' or 'g' */ -int cris_io_interface_allocate_pins(const enum cris_io_interface ioif, - const char port, - const unsigned start_bit, - const unsigned stop_bit); - -/* port can be 'a', 'b' or 'g' */ -int cris_io_interface_free_pins(const enum cris_io_interface ioif, - const char port, - const unsigned start_bit, - const unsigned stop_bit); - -int cris_io_interface_register_watcher(void (*notify)(const unsigned int gpio_in_available, - const unsigned int gpio_out_available, - const unsigned char pa_available, - const unsigned char pb_available)); - -void cris_io_interface_delete_watcher(void (*notify)(const unsigned int gpio_in_available, - const unsigned int gpio_out_available, - const unsigned char pa_available, - const unsigned char pb_available)); - -#endif /* _IO_INTERFACE_MUX_H */ diff --git a/arch/cris/include/arch-v10/arch/irq.h b/arch/cris/include/arch-v10/arch/irq.h deleted file mode 100644 index c4e8a78e33d1..000000000000 --- a/arch/cris/include/arch-v10/arch/irq.h +++ /dev/null @@ -1,162 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Interrupt handling assembler and defines for Linux/CRISv10 - */ - -#ifndef _ASM_ARCH_IRQ_H -#define _ASM_ARCH_IRQ_H - -#include <arch/sv_addr_ag.h> - -#define NR_IRQS 32 - -/* The first vector number used for IRQs in v10 is really 0x20 */ -/* but all the code and constants are offseted to make 0 the first */ -#define FIRST_IRQ 0 - -#define SOME_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, some) /* 0 ? */ -#define NMI_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, nmi) /* 1 */ -#define TIMER0_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, timer0) /* 2 */ -#define TIMER1_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, timer1) /* 3 */ -/* mio, ata, par0, scsi0 on 4 */ -/* par1, scsi1 on 5 */ -#define NETWORK_STATUS_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, network) /* 6 */ - -#define SERIAL_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, serial) /* 8 */ -#define PA_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, pa) /* 11 */ -/* extdma0 and extdma1 is at irq 12 and 13 and/or same as dma5 and dma6 ? */ -#define EXTDMA0_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, ext_dma0) -#define EXTDMA1_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, ext_dma1) - -/* dma0-9 is irq 16..25 */ -/* 16,17: network */ -#define DMA0_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma0) -#define DMA1_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma1) -#define NETWORK_DMA_TX_IRQ_NBR DMA0_TX_IRQ_NBR -#define NETWORK_DMA_RX_IRQ_NBR DMA1_RX_IRQ_NBR - -/* 18,19: dma2 and dma3 shared by par0, scsi0, ser2 and ata */ -#define DMA2_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma2) -#define DMA3_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma3) -#define SER2_DMA_TX_IRQ_NBR DMA2_TX_IRQ_NBR -#define SER2_DMA_RX_IRQ_NBR DMA3_RX_IRQ_NBR - -/* 20,21: dma4 and dma5 shared by par1, scsi1, ser3 and extdma0 */ -#define DMA4_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma4) -#define DMA5_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma5) -#define SER3_DMA_TX_IRQ_NBR DMA4_TX_IRQ_NBR -#define SER3_DMA_RX_IRQ_NBR DMA5_RX_IRQ_NBR - -/* 22,23: dma6 and dma7 shared by ser0, extdma1 and mem2mem */ -#define DMA6_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma6) -#define DMA7_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma7) -#define SER0_DMA_TX_IRQ_NBR DMA6_TX_IRQ_NBR -#define SER0_DMA_RX_IRQ_NBR DMA7_RX_IRQ_NBR -#define MEM2MEM_DMA_TX_IRQ_NBR DMA6_TX_IRQ_NBR -#define MEM2MEM_DMA_RX_IRQ_NBR DMA7_RX_IRQ_NBR - -/* 24,25: dma8 and dma9 shared by ser1 and usb */ -#define DMA8_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma8) -#define DMA9_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma9) -#define SER1_DMA_TX_IRQ_NBR DMA8_TX_IRQ_NBR -#define SER1_DMA_RX_IRQ_NBR DMA9_RX_IRQ_NBR -#define USB_DMA_TX_IRQ_NBR DMA8_TX_IRQ_NBR -#define USB_DMA_RX_IRQ_NBR DMA9_RX_IRQ_NBR - -/* usb: controller at irq 31 + uses DMA8 and DMA9 */ -#define USB_HC_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, usb) - -/* our fine, global, etrax irq vector! the pointer lives in the head.S file. */ - -typedef void (*irqvectptr)(void); - -struct etrax_interrupt_vector { - irqvectptr v[256]; -}; - -extern struct etrax_interrupt_vector *etrax_irv; -void set_int_vector(int n, irqvectptr addr); -void set_break_vector(int n, irqvectptr addr); - -#define __STR(x) #x -#define STR(x) __STR(x) - -/* SAVE_ALL saves registers so they match pt_regs */ - -#define SAVE_ALL \ - "move $irp,[$sp=$sp-16]\n\t" /* push instruction pointer and fake SBFS struct */ \ - "push $srp\n\t" /* push subroutine return pointer */ \ - "push $dccr\n\t" /* push condition codes */ \ - "push $mof\n\t" /* push multiply overflow reg */ \ - "di\n\t" /* need to disable irq's at this point */\ - "subq 14*4,$sp\n\t" /* make room for r0-r13 */ \ - "movem $r13,[$sp]\n\t" /* push the r0-r13 registers */ \ - "push $r10\n\t" /* push orig_r10 */ \ - "clear.d [$sp=$sp-4]\n\t" /* frametype - this is a normal stackframe */ - -/* BLOCK_IRQ and UNBLOCK_IRQ do the same as - * crisv10_mask_irq and crisv10_unmask_irq */ - -#define BLOCK_IRQ(mask,nr) \ - "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000d8]\n\t" - -#define UNBLOCK_IRQ(mask) \ - "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000dc]\n\t" - -#define IRQ_NAME2(nr) nr##_interrupt(void) -#define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) -#define sIRQ_NAME(nr) IRQ_NAME2(sIRQ##nr) -#define BAD_IRQ_NAME(nr) IRQ_NAME2(bad_IRQ##nr) - - /* the asm IRQ handler makes sure the causing IRQ is blocked, then it calls - * do_IRQ (with irq disabled still). after that it unblocks and jumps to - * ret_from_intr (entry.S) - * - * The reason the IRQ is blocked is to allow an sti() before the handler which - * will acknowledge the interrupt is run. - */ - -#define BUILD_IRQ(nr,mask) \ -void IRQ_NAME(nr); \ -__asm__ ( \ - ".text\n\t" \ - "IRQ" #nr "_interrupt:\n\t" \ - SAVE_ALL \ - BLOCK_IRQ(mask,nr) /* this must be done to prevent irq loops when we ei later */ \ - "moveq "#nr",$r10\n\t" \ - "move.d $sp,$r11\n\t" \ - "jsr do_IRQ\n\t" /* irq.c, r10 and r11 are arguments */ \ - UNBLOCK_IRQ(mask) \ - "moveq 0,$r9\n\t" /* make ret_from_intr realise we came from an irq */ \ - "jump ret_from_intr\n\t"); - -/* This is subtle. The timer interrupt is crucial and it should not be disabled for - * too long. However, if it had been a normal interrupt as per BUILD_IRQ, it would - * have been BLOCK'ed, and then softirq's are run before we return here to UNBLOCK. - * If the softirq's take too much time to run, the timer irq won't run and the - * watchdog will kill us. - * - * Furthermore, if a lot of other irq's occur before we return here, the multiple_irq - * handler is run and it prioritizes the timer interrupt. However if we had BLOCK'ed - * it here, we would not get the multiple_irq at all. - * - * The non-blocking here is based on the knowledge that the timer interrupt runs - * with interrupts disabled, and therefore there will not be an sti() before the - * timer irq handler is run to acknowledge the interrupt. - */ - -#define BUILD_TIMER_IRQ(nr,mask) \ -void IRQ_NAME(nr); \ -__asm__ ( \ - ".text\n\t" \ - "IRQ" #nr "_interrupt:\n\t" \ - SAVE_ALL \ - "moveq "#nr",$r10\n\t" \ - "move.d $sp,$r11\n\t" \ - "jsr do_IRQ\n\t" /* irq.c, r10 and r11 are arguments */ \ - "moveq 0,$r9\n\t" /* make ret_from_intr realise we came from an irq */ \ - "jump ret_from_intr\n\t"); - -#endif diff --git a/arch/cris/include/arch-v10/arch/irqflags.h b/arch/cris/include/arch-v10/arch/irqflags.h deleted file mode 100644 index 9959b0a8a58c..000000000000 --- a/arch/cris/include/arch-v10/arch/irqflags.h +++ /dev/null @@ -1,46 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H -#define __ASM_CRIS_ARCH_IRQFLAGS_H - -#include <linux/types.h> - -static inline unsigned long arch_local_save_flags(void) -{ - unsigned long flags; - asm volatile("move $ccr,%0" : "=rm" (flags) : : "memory"); - return flags; -} - -static inline void arch_local_irq_disable(void) -{ - asm volatile("di" : : : "memory"); -} - -static inline void arch_local_irq_enable(void) -{ - asm volatile("ei" : : : "memory"); -} - -static inline unsigned long arch_local_irq_save(void) -{ - unsigned long flags = arch_local_save_flags(); - arch_local_irq_disable(); - return flags; -} - -static inline void arch_local_irq_restore(unsigned long flags) -{ - asm volatile("move %0,$ccr" : : "rm" (flags) : "memory"); -} - -static inline bool arch_irqs_disabled_flags(unsigned long flags) -{ - return !(flags & (1 << 5)); -} - -static inline bool arch_irqs_disabled(void) -{ - return arch_irqs_disabled_flags(arch_local_save_flags()); -} - -#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */ diff --git a/arch/cris/include/arch-v10/arch/memmap.h b/arch/cris/include/arch-v10/arch/memmap.h deleted file mode 100644 index b6b171f48b29..000000000000 --- a/arch/cris/include/arch-v10/arch/memmap.h +++ /dev/null @@ -1,23 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_ARCH_MEMMAP_H -#define _ASM_ARCH_MEMMAP_H - -#define MEM_CSE0_START (0x00000000) -#define MEM_CSE0_SIZE (0x04000000) -#define MEM_CSE1_START (0x04000000) -#define MEM_CSE1_SIZE (0x04000000) -#define MEM_CSR0_START (0x08000000) -#define MEM_CSR1_START (0x0c000000) -#define MEM_CSP0_START (0x10000000) -#define MEM_CSP1_START (0x14000000) -#define MEM_CSP2_START (0x18000000) -#define MEM_CSP3_START (0x1c000000) -#define MEM_CSP4_START (0x20000000) -#define MEM_CSP5_START (0x24000000) -#define MEM_CSP6_START (0x28000000) -#define MEM_CSP7_START (0x2c000000) -#define MEM_DRAM_START (0x40000000) - -#define MEM_NON_CACHEABLE (0x80000000) - -#endif diff --git a/arch/cris/include/arch-v10/arch/mmu.h b/arch/cris/include/arch-v10/arch/mmu.h deleted file mode 100644 index 74c53048be79..000000000000 --- a/arch/cris/include/arch-v10/arch/mmu.h +++ /dev/null @@ -1,108 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * CRIS MMU constants and PTE layout - */ - -#ifndef _CRIS_ARCH_MMU_H -#define _CRIS_ARCH_MMU_H - -/* type used in struct mm to couple an MMU context to an active mm */ - -typedef struct -{ - unsigned int page_id; -} mm_context_t; - -/* kernel memory segments */ - -#define KSEG_F 0xf0000000UL -#define KSEG_E 0xe0000000UL -#define KSEG_D 0xd0000000UL -#define KSEG_C 0xc0000000UL -#define KSEG_B 0xb0000000UL -#define KSEG_A 0xa0000000UL -#define KSEG_9 0x90000000UL -#define KSEG_8 0x80000000UL -#define KSEG_7 0x70000000UL -#define KSEG_6 0x60000000UL -#define KSEG_5 0x50000000UL -#define KSEG_4 0x40000000UL -#define KSEG_3 0x30000000UL -#define KSEG_2 0x20000000UL -#define KSEG_1 0x10000000UL -#define KSEG_0 0x00000000UL - -/* CRIS PTE bits (see R_TLB_LO in the register description) - * - * Bit: 31 30-13 12-------4 3 2 1 0 - * _______________________________________________________ - * | cache |pfn | reserved | global | valid | kernel | we | - * |_______|____|__________|________|_______|________|_____| - * - * (pfn = physical frame number) - */ - -/* Real HW-based PTE bits. We use some synonym names so that - * things become less confusing in combination with the SW-based - * bits further below. - * - */ - -#define _PAGE_WE (1<<0) /* page is write-enabled */ -#define _PAGE_SILENT_WRITE (1<<0) /* synonym */ -#define _PAGE_KERNEL (1<<1) /* page is kernel only */ -#define _PAGE_VALID (1<<2) /* page is valid */ -#define _PAGE_SILENT_READ (1<<2) /* synonym */ -#define _PAGE_GLOBAL (1<<3) /* global page - context is ignored */ -#define _PAGE_NO_CACHE (1<<31) /* part of the uncached memory map */ - -/* Bits the HW doesn't care about but the kernel uses them in SW */ - -#define _PAGE_PRESENT (1<<4) /* page present in memory */ -#define _PAGE_ACCESSED (1<<5) /* simulated in software using valid bit */ -#define _PAGE_MODIFIED (1<<6) /* simulated in software using we bit */ -#define _PAGE_READ (1<<7) /* read-enabled */ -#define _PAGE_WRITE (1<<8) /* write-enabled */ - -/* Define some higher level generic page attributes. */ - -#define __READABLE (_PAGE_READ | _PAGE_SILENT_READ | _PAGE_ACCESSED) -#define __WRITEABLE (_PAGE_WRITE | _PAGE_SILENT_WRITE | _PAGE_MODIFIED) - -#define _PAGE_TABLE (_PAGE_PRESENT | __READABLE | __WRITEABLE) -#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED) - -#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) -#define PAGE_SHARED __pgprot(_PAGE_PRESENT | __READABLE | _PAGE_WRITE | \ - _PAGE_ACCESSED) -#define PAGE_COPY __pgprot(_PAGE_PRESENT | __READABLE) // | _PAGE_COW -#define PAGE_READONLY __pgprot(_PAGE_PRESENT | __READABLE) -#define PAGE_KERNEL __pgprot(_PAGE_GLOBAL | _PAGE_KERNEL | \ - _PAGE_PRESENT | __READABLE | __WRITEABLE) -#define _KERNPG_TABLE (_PAGE_TABLE | _PAGE_KERNEL) - -/* - * CRIS can't do page protection for execute, and considers read the same. - * Also, write permissions imply read permissions. This is the closest we can - * get.. - */ - -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY -#define __P101 PAGE_READONLY -#define __P110 PAGE_COPY -#define __P111 PAGE_COPY - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY -#define __S101 PAGE_READONLY -#define __S110 PAGE_SHARED -#define __S111 PAGE_SHARED - -#endif diff --git a/arch/cris/include/arch-v10/arch/offset.h b/arch/cris/include/arch-v10/arch/offset.h deleted file mode 100644 index 6f0f2b4a163f..000000000000 --- a/arch/cris/include/arch-v10/arch/offset.h +++ /dev/null @@ -1,34 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_OFFSETS_H__ -#define __ASM_OFFSETS_H__ -/* - * DO NOT MODIFY. - * - * This file was generated by arch/cris/Makefile - * - */ - -#define PT_orig_r10 4 /* offsetof(struct pt_regs, orig_r10) */ -#define PT_r13 8 /* offsetof(struct pt_regs, r13) */ -#define PT_r12 12 /* offsetof(struct pt_regs, r12) */ -#define PT_r11 16 /* offsetof(struct pt_regs, r11) */ -#define PT_r10 20 /* offsetof(struct pt_regs, r10) */ -#define PT_r9 24 /* offsetof(struct pt_regs, r9) */ -#define PT_mof 64 /* offsetof(struct pt_regs, mof) */ -#define PT_dccr 68 /* offsetof(struct pt_regs, dccr) */ -#define PT_srp 72 /* offsetof(struct pt_regs, srp) */ - -#define TI_task 0 /* offsetof(struct thread_info, task) */ -#define TI_flags 8 /* offsetof(struct thread_info, flags) */ -#define TI_preempt_count 16 /* offsetof(struct thread_info, preempt_count) */ - -#define THREAD_ksp 0 /* offsetof(struct thread_struct, ksp) */ -#define THREAD_usp 4 /* offsetof(struct thread_struct, usp) */ -#define THREAD_dccr 8 /* offsetof(struct thread_struct, dccr) */ - -#define TASK_pid 141 /* offsetof(struct task_struct, pid) */ - -#define LCLONE_VM 256 /* CLONE_VM */ -#define LCLONE_UNTRACED 8388608 /* CLONE_UNTRACED */ - -#endif diff --git a/arch/cris/include/arch-v10/arch/page.h b/arch/cris/include/arch-v10/arch/page.h deleted file mode 100644 index a4bbff64868c..000000000000 --- a/arch/cris/include/arch-v10/arch/page.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_ARCH_PAGE_H -#define _CRIS_ARCH_PAGE_H - - -#ifdef __KERNEL__ - -/* This handles the memory map.. */ -#ifdef CONFIG_CRIS_LOW_MAP -#define PAGE_OFFSET KSEG_6 /* kseg_6 is mapped to physical ram */ -#else -#define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram */ -#endif - -/* macros to convert between really physical and virtual addresses - * by stripping a selected bit, we can convert between KSEG_x and - * 0x40000000 where the DRAM really resides - */ - -#ifdef CONFIG_CRIS_LOW_MAP -/* we have DRAM virtually at 0x6 */ -#define __pa(x) ((unsigned long)(x) & 0xdfffffff) -#define __va(x) ((void *)((unsigned long)(x) | 0x20000000)) -#else -/* we have DRAM virtually at 0xc */ -#define __pa(x) ((unsigned long)(x) & 0x7fffffff) -#define __va(x) ((void *)((unsigned long)(x) | 0x80000000)) -#endif - -#endif -#endif diff --git a/arch/cris/include/arch-v10/arch/pgtable.h b/arch/cris/include/arch-v10/arch/pgtable.h deleted file mode 100644 index a61532d06acb..000000000000 --- a/arch/cris/include/arch-v10/arch/pgtable.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_ARCH_PGTABLE_H -#define _CRIS_ARCH_PGTABLE_H - -/* - * Kernels own virtual memory area. - */ - -#ifdef CONFIG_CRIS_LOW_MAP -#define VMALLOC_START KSEG_7 -#define VMALLOC_END KSEG_8 -#else -#define VMALLOC_START KSEG_D -#define VMALLOC_END KSEG_E -#endif - -#endif - diff --git a/arch/cris/include/arch-v10/arch/processor.h b/arch/cris/include/arch-v10/arch/processor.h deleted file mode 100644 index b2df646bc1eb..000000000000 --- a/arch/cris/include/arch-v10/arch/processor.h +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_CRIS_ARCH_PROCESSOR_H -#define __ASM_CRIS_ARCH_PROCESSOR_H - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({void *pc; __asm__ ("move.d $pc,%0" : "=rm" (pc)); pc; }) - -/* CRIS has no problems with write protection */ -#define wp_works_ok 1 - -/* CRIS thread_struct. this really has nothing to do with the processor itself, since - * CRIS does not do any hardware task-switching, but it's here for legacy reasons. - * The thread_struct here is used when task-switching using _resume defined in entry.S. - * The offsets here are hardcoded into _resume - if you change this struct, you need to - * change them as well!!! -*/ - -struct thread_struct { - unsigned long ksp; /* kernel stack pointer */ - unsigned long usp; /* user stack pointer */ - unsigned long dccr; /* saved flag register */ -}; - -/* - * User space process size. This is hardcoded into a few places, - * so don't change it unless you know what you are doing. - */ - -#ifdef CONFIG_CRIS_LOW_MAP -#define TASK_SIZE (0x50000000UL) /* 1.25 GB */ -#else -#define TASK_SIZE (0xA0000000UL) /* 2.56 GB */ -#endif - -#define INIT_THREAD { \ - 0, 0, 0x20 } /* ccr = int enable, nothing else */ - -#define KSTK_EIP(tsk) \ -({ \ - unsigned long eip = 0; \ - unsigned long regs = (unsigned long)task_pt_regs(tsk); \ - if (regs > PAGE_SIZE && \ - virt_addr_valid(regs)) \ - eip = ((struct pt_regs *)regs)->irp; \ - eip; \ -}) - -/* give the thread a program location - * set user-mode (The 'U' flag (User mode flag) is CCR/DCCR bit 8) - * switch user-stackpointer - */ - -#define start_thread(regs, ip, usp) do { \ - regs->irp = ip; \ - regs->dccr |= 1 << U_DCCR_BITNR; \ - wrusp(usp); \ -} while(0) - -/* Called when handling a kernel bus fault fixup. - * - * After a fixup we do not want to return by restoring the CPU-state - * anymore, so switch frame-types (see ptrace.h) - */ -#define arch_fixup(regs) \ - regs->frametype = CRIS_FRAME_NORMAL; - -#endif diff --git a/arch/cris/include/arch-v10/arch/swab.h b/arch/cris/include/arch-v10/arch/swab.h deleted file mode 100644 index 8cc27dfb9d3a..000000000000 --- a/arch/cris/include/arch-v10/arch/swab.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_ARCH_SWAB_H -#define _CRIS_ARCH_SWAB_H - -#include <asm/types.h> -#include <linux/compiler.h> - -#define __SWAB_64_THRU_32__ - -/* we just define these two (as we can do the swap in a single - * asm instruction in CRIS) and the arch-independent files will put - * them together into ntohl etc. - */ - -static inline __attribute_const__ __u32 __arch_swab32(__u32 x) -{ - __asm__ ("swapwb %0" : "=r" (x) : "0" (x)); - - return(x); -} -#define __arch_swab32 __arch_swab32 - -static inline __attribute_const__ __u16 __arch_swab16(__u16 x) -{ - __asm__ ("swapb %0" : "=r" (x) : "0" (x)); - - return(x); -} -#define __arch_swab16 __arch_swab16 - -#endif diff --git a/arch/cris/include/arch-v10/arch/system.h b/arch/cris/include/arch-v10/arch/system.h deleted file mode 100644 index 4c63f728122b..000000000000 --- a/arch/cris/include/arch-v10/arch/system.h +++ /dev/null @@ -1,40 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_CRIS_ARCH_SYSTEM_H -#define __ASM_CRIS_ARCH_SYSTEM_H - - -/* read the CPU version register */ - -static inline unsigned long rdvr(void) { - unsigned char vr; - __asm__ volatile ("move $vr,%0" : "=rm" (vr)); - return vr; -} - -#define cris_machine_name "cris" - -/* read/write the user-mode stackpointer */ - -static inline unsigned long rdusp(void) { - unsigned long usp; - __asm__ __volatile__("move $usp,%0" : "=rm" (usp)); - return usp; -} - -#define wrusp(usp) \ - __asm__ __volatile__("move %0,$usp" : /* no outputs */ : "rm" (usp)) - -/* read the current stackpointer */ - -static inline unsigned long rdsp(void) { - unsigned long sp; - __asm__ __volatile__("move.d $sp,%0" : "=rm" (sp)); - return sp; -} - -static inline unsigned long _get_base(char * addr) -{ - return 0; -} - -#endif diff --git a/arch/cris/include/arch-v10/arch/thread_info.h b/arch/cris/include/arch-v10/arch/thread_info.h deleted file mode 100644 index 0ef1223998c1..000000000000 --- a/arch/cris/include/arch-v10/arch/thread_info.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_ARCH_THREAD_INFO_H -#define _ASM_ARCH_THREAD_INFO_H - -/* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) -{ - struct thread_info *ti; - __asm__("and.d $sp,%0; ":"=r" (ti) : "0" (~8191UL)); - return ti; -} - -#endif diff --git a/arch/cris/include/arch-v10/arch/timex.h b/arch/cris/include/arch-v10/arch/timex.h deleted file mode 100644 index 9c9583e5aed6..000000000000 --- a/arch/cris/include/arch-v10/arch/timex.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Use prescale timer at 25000 Hz instead of the baudrate timer at - * 19200 to get rid of the 64ppm to fast timer (and we get better - * resolution within a jiffie as well. - */ -#ifndef _ASM_CRIS_ARCH_TIMEX_H -#define _ASM_CRIS_ARCH_TIMEX_H - -/* The prescaler clock runs at 25MHz, we divide it by 1000 in the prescaler */ -/* If you change anything here you must check time.c as well... */ -#define PRESCALE_FREQ 25000000 -#define PRESCALE_VALUE 1000 -#define CLOCK_TICK_RATE 25000 /* Underlying frequency of the HZ timer */ -/* The timer0 values gives 40us resolution (1/25000) but interrupts at HZ*/ -#define TIMER0_FREQ (CLOCK_TICK_RATE) -#define TIMER0_CLKSEL flexible -#define TIMER0_DIV (TIMER0_FREQ/(HZ)) - - -#define GET_JIFFIES_USEC() \ - ( (TIMER0_DIV - *R_TIMER0_DATA) * (1000000/HZ)/TIMER0_DIV ) - -unsigned long get_ns_in_jiffie(void); - -static inline unsigned long get_us_in_jiffie_highres(void) -{ - return get_ns_in_jiffie()/1000; -} - -#endif diff --git a/arch/cris/include/arch-v10/arch/tlb.h b/arch/cris/include/arch-v10/arch/tlb.h deleted file mode 100644 index 9f039d83f21b..000000000000 --- a/arch/cris/include/arch-v10/arch/tlb.h +++ /dev/null @@ -1,14 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_ARCH_TLB_H -#define _CRIS_ARCH_TLB_H - -/* The TLB can host up to 64 different mm contexts at the same time. - * The last page_id is never running - it is used as an invalid page_id - * so we can make TLB entries that will never match. - */ -#define NUM_TLB_ENTRIES 64 -#define NUM_PAGEID 64 -#define INVALID_PAGEID 63 -#define NO_CONTEXT -1 - -#endif diff --git a/arch/cris/include/arch-v10/arch/uaccess.h b/arch/cris/include/arch-v10/arch/uaccess.h deleted file mode 100644 index 8d033c534f1f..000000000000 --- a/arch/cris/include/arch-v10/arch/uaccess.h +++ /dev/null @@ -1,651 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Authors: Bjorn Wesen (bjornw@axis.com) - * Hans-Peter Nilsson (hp@axis.com) - * - */ -#ifndef _CRIS_ARCH_UACCESS_H -#define _CRIS_ARCH_UACCESS_H - -/* - * We don't tell gcc that we are accessing memory, but this is OK - * because we do not write to any memory gcc knows about, so there - * are no aliasing issues. - * - * Note that PC at a fault is the address *after* the faulting - * instruction. - */ -#define __put_user_asm(x, addr, err, op) \ - __asm__ __volatile__( \ - " "op" %1,[%2]\n" \ - "2:\n" \ - " .section .fixup,\"ax\"\n" \ - "3: move.d %3,%0\n" \ - " jump 2b\n" \ - " .previous\n" \ - " .section __ex_table,\"a\"\n" \ - " .dword 2b,3b\n" \ - " .previous\n" \ - : "=r" (err) \ - : "r" (x), "r" (addr), "g" (-EFAULT), "0" (err)) - -#define __put_user_asm_64(x, addr, err) \ - __asm__ __volatile__( \ - " move.d %M1,[%2]\n" \ - "2: move.d %H1,[%2+4]\n" \ - "4:\n" \ - " .section .fixup,\"ax\"\n" \ - "3: move.d %3,%0\n" \ - " jump 4b\n" \ - " .previous\n" \ - " .section __ex_table,\"a\"\n" \ - " .dword 2b,3b\n" \ - " .dword 4b,3b\n" \ - " .previous\n" \ - : "=r" (err) \ - : "r" (x), "r" (addr), "g" (-EFAULT), "0" (err)) - -/* See comment before __put_user_asm. */ - -#define __get_user_asm(x, addr, err, op) \ - __asm__ __volatile__( \ - " "op" [%2],%1\n" \ - "2:\n" \ - " .section .fixup,\"ax\"\n" \ - "3: move.d %3,%0\n" \ - " moveq 0,%1\n" \ - " jump 2b\n" \ - " .previous\n" \ - " .section __ex_table,\"a\"\n" \ - " .dword 2b,3b\n" \ - " .previous\n" \ - : "=r" (err), "=r" (x) \ - : "r" (addr), "g" (-EFAULT), "0" (err)) - -#define __get_user_asm_64(x, addr, err) \ - __asm__ __volatile__( \ - " move.d [%2],%M1\n" \ - "2: move.d [%2+4],%H1\n" \ - "4:\n" \ - " .section .fixup,\"ax\"\n" \ - "3: move.d %3,%0\n" \ - " moveq 0,%1\n" \ - " jump 4b\n" \ - " .previous\n" \ - " .section __ex_table,\"a\"\n" \ - " .dword 2b,3b\n" \ - " .dword 4b,3b\n" \ - " .previous\n" \ - : "=r" (err), "=r" (x) \ - : "r" (addr), "g" (-EFAULT), "0" (err)) - -/* - * Copy a null terminated string from userspace. - * - * Must return: - * -EFAULT for an exception - * count if we hit the buffer limit - * bytes copied if we hit a null byte - * (without the null byte) - */ -static inline long -__do_strncpy_from_user(char *dst, const char *src, long count) -{ - long res; - - if (count == 0) - return 0; - - /* - * Currently, in 2.4.0-test9, most ports use a simple byte-copy loop. - * So do we. - * - * This code is deduced from: - * - * char tmp2; - * long tmp1, tmp3 - * tmp1 = count; - * while ((*dst++ = (tmp2 = *src++)) != 0 - * && --tmp1) - * ; - * - * res = count - tmp1; - * - * with tweaks. - */ - - __asm__ __volatile__ ( - " move.d %3,%0\n" - " move.b [%2+],$r9\n" - "1: beq 2f\n" - " move.b $r9,[%1+]\n" - - " subq 1,%0\n" - " bne 1b\n" - " move.b [%2+],$r9\n" - - "2: sub.d %3,%0\n" - " neg.d %0,%0\n" - "3:\n" - " .section .fixup,\"ax\"\n" - "4: move.d %7,%0\n" - " jump 3b\n" - - /* There's one address for a fault at the first move, and - two possible PC values for a fault at the second move, - being a delay-slot filler. However, the branch-target - for the second move is the same as the first address. - Just so you don't get confused... */ - " .previous\n" - " .section __ex_table,\"a\"\n" - " .dword 1b,4b\n" - " .dword 2b,4b\n" - " .previous" - : "=r" (res), "=r" (dst), "=r" (src), "=r" (count) - : "3" (count), "1" (dst), "2" (src), "g" (-EFAULT) - : "r9"); - - return res; -} - -/* A few copy asms to build up the more complex ones from. - - Note again, a post-increment is performed regardless of whether a bus - fault occurred in that instruction, and PC for a faulted insn is the - address *after* the insn. */ - -#define __asm_copy_user_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm__ __volatile__ ( \ - COPY \ - "1:\n" \ - " .section .fixup,\"ax\"\n" \ - FIXUP \ - " jump 1b\n" \ - " .previous\n" \ - " .section __ex_table,\"a\"\n" \ - TENTRY \ - " .previous\n" \ - : "=r" (to), "=r" (from), "=r" (ret) \ - : "0" (to), "1" (from), "2" (ret) \ - : "r9", "memory") - -#define __asm_copy_from_user_1(to, from, ret) \ - __asm_copy_user_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "2: move.b $r9,[%0+]\n", \ - "3: addq 1,%2\n", \ - " .dword 2b,3b\n") - -#define __asm_copy_from_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_user_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - "2: move.w $r9,[%0+]\n" COPY, \ - "3: addq 2,%2\n" FIXUP, \ - " .dword 2b,3b\n" TENTRY) - -#define __asm_copy_from_user_2(to, from, ret) \ - __asm_copy_from_user_2x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_3(to, from, ret) \ - __asm_copy_from_user_2x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "4: move.b $r9,[%0+]\n", \ - "5: addq 1,%2\n", \ - " .dword 4b,5b\n") - -#define __asm_copy_from_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_user_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - "2: move.d $r9,[%0+]\n" COPY, \ - "3: addq 4,%2\n" FIXUP, \ - " .dword 2b,3b\n" TENTRY) - -#define __asm_copy_from_user_4(to, from, ret) \ - __asm_copy_from_user_4x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_5(to, from, ret) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "4: move.b $r9,[%0+]\n", \ - "5: addq 1,%2\n", \ - " .dword 4b,5b\n") - -#define __asm_copy_from_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - "4: move.w $r9,[%0+]\n" COPY, \ - "5: addq 2,%2\n" \ - FIXUP, \ - " .dword 4b,5b\n" TENTRY) - -#define __asm_copy_from_user_6(to, from, ret) \ - __asm_copy_from_user_6x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_7(to, from, ret) \ - __asm_copy_from_user_6x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "6: move.b $r9,[%0+]\n", \ - "7: addq 1,%2\n", \ - " .dword 6b,7b\n") - -#define __asm_copy_from_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - "4: move.d $r9,[%0+]\n" COPY, \ - "5: addq 4,%2\n" \ - FIXUP, \ - " .dword 4b,5b\n" TENTRY) - -#define __asm_copy_from_user_8(to, from, ret) \ - __asm_copy_from_user_8x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_9(to, from, ret) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "6: move.b $r9,[%0+]\n", \ - "7: addq 1,%2\n", \ - " .dword 6b,7b\n") - -#define __asm_copy_from_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - "6: move.w $r9,[%0+]\n" COPY, \ - "7: addq 2,%2\n" \ - FIXUP, \ - " .dword 6b,7b\n" TENTRY) - -#define __asm_copy_from_user_10(to, from, ret) \ - __asm_copy_from_user_10x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_11(to, from, ret) \ - __asm_copy_from_user_10x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "8: move.b $r9,[%0+]\n", \ - "9: addq 1,%2\n", \ - " .dword 8b,9b\n") - -#define __asm_copy_from_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - "6: move.d $r9,[%0+]\n" COPY, \ - "7: addq 4,%2\n" \ - FIXUP, \ - " .dword 6b,7b\n" TENTRY) - -#define __asm_copy_from_user_12(to, from, ret) \ - __asm_copy_from_user_12x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_13(to, from, ret) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "8: move.b $r9,[%0+]\n", \ - "9: addq 1,%2\n", \ - " .dword 8b,9b\n") - -#define __asm_copy_from_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - "8: move.w $r9,[%0+]\n" COPY, \ - "9: addq 2,%2\n" \ - FIXUP, \ - " .dword 8b,9b\n" TENTRY) - -#define __asm_copy_from_user_14(to, from, ret) \ - __asm_copy_from_user_14x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_15(to, from, ret) \ - __asm_copy_from_user_14x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - "10: move.b $r9,[%0+]\n", \ - "11: addq 1,%2\n", \ - " .dword 10b,11b\n") - -#define __asm_copy_from_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - "8: move.d $r9,[%0+]\n" COPY, \ - "9: addq 4,%2\n" \ - FIXUP, \ - " .dword 8b,9b\n" TENTRY) - -#define __asm_copy_from_user_16(to, from, ret) \ - __asm_copy_from_user_16x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_20x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_16x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - "10: move.d $r9,[%0+]\n" COPY, \ - "11: addq 4,%2\n" \ - FIXUP, \ - " .dword 10b,11b\n" TENTRY) - -#define __asm_copy_from_user_20(to, from, ret) \ - __asm_copy_from_user_20x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_24x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_20x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - "12: move.d $r9,[%0+]\n" COPY, \ - "13: addq 4,%2\n" \ - FIXUP, \ - " .dword 12b,13b\n" TENTRY) - -#define __asm_copy_from_user_24(to, from, ret) \ - __asm_copy_from_user_24x_cont(to, from, ret, "", "", "") - -/* And now, the to-user ones. */ - -#define __asm_copy_to_user_1(to, from, ret) \ - __asm_copy_user_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n2:\n", \ - "3: addq 1,%2\n", \ - " .dword 2b,3b\n") - -#define __asm_copy_to_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_user_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - " move.w $r9,[%0+]\n2:\n" COPY, \ - "3: addq 2,%2\n" FIXUP, \ - " .dword 2b,3b\n" TENTRY) - -#define __asm_copy_to_user_2(to, from, ret) \ - __asm_copy_to_user_2x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_3(to, from, ret) \ - __asm_copy_to_user_2x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n4:\n", \ - "5: addq 1,%2\n", \ - " .dword 4b,5b\n") - -#define __asm_copy_to_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_user_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - " move.d $r9,[%0+]\n2:\n" COPY, \ - "3: addq 4,%2\n" FIXUP, \ - " .dword 2b,3b\n" TENTRY) - -#define __asm_copy_to_user_4(to, from, ret) \ - __asm_copy_to_user_4x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_5(to, from, ret) \ - __asm_copy_to_user_4x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n4:\n", \ - "5: addq 1,%2\n", \ - " .dword 4b,5b\n") - -#define __asm_copy_to_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_4x_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - " move.w $r9,[%0+]\n4:\n" COPY, \ - "5: addq 2,%2\n" FIXUP, \ - " .dword 4b,5b\n" TENTRY) - -#define __asm_copy_to_user_6(to, from, ret) \ - __asm_copy_to_user_6x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_7(to, from, ret) \ - __asm_copy_to_user_6x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n6:\n", \ - "7: addq 1,%2\n", \ - " .dword 6b,7b\n") - -#define __asm_copy_to_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_4x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - " move.d $r9,[%0+]\n4:\n" COPY, \ - "5: addq 4,%2\n" FIXUP, \ - " .dword 4b,5b\n" TENTRY) - -#define __asm_copy_to_user_8(to, from, ret) \ - __asm_copy_to_user_8x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_9(to, from, ret) \ - __asm_copy_to_user_8x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n6:\n", \ - "7: addq 1,%2\n", \ - " .dword 6b,7b\n") - -#define __asm_copy_to_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_8x_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - " move.w $r9,[%0+]\n6:\n" COPY, \ - "7: addq 2,%2\n" FIXUP, \ - " .dword 6b,7b\n" TENTRY) - -#define __asm_copy_to_user_10(to, from, ret) \ - __asm_copy_to_user_10x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_11(to, from, ret) \ - __asm_copy_to_user_10x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n8:\n", \ - "9: addq 1,%2\n", \ - " .dword 8b,9b\n") - -#define __asm_copy_to_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_8x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - " move.d $r9,[%0+]\n6:\n" COPY, \ - "7: addq 4,%2\n" FIXUP, \ - " .dword 6b,7b\n" TENTRY) - -#define __asm_copy_to_user_12(to, from, ret) \ - __asm_copy_to_user_12x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_13(to, from, ret) \ - __asm_copy_to_user_12x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n8:\n", \ - "9: addq 1,%2\n", \ - " .dword 8b,9b\n") - -#define __asm_copy_to_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_12x_cont(to, from, ret, \ - " move.w [%1+],$r9\n" \ - " move.w $r9,[%0+]\n8:\n" COPY, \ - "9: addq 2,%2\n" FIXUP, \ - " .dword 8b,9b\n" TENTRY) - -#define __asm_copy_to_user_14(to, from, ret) \ - __asm_copy_to_user_14x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_15(to, from, ret) \ - __asm_copy_to_user_14x_cont(to, from, ret, \ - " move.b [%1+],$r9\n" \ - " move.b $r9,[%0+]\n10:\n", \ - "11: addq 1,%2\n", \ - " .dword 10b,11b\n") - -#define __asm_copy_to_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_12x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - " move.d $r9,[%0+]\n8:\n" COPY, \ - "9: addq 4,%2\n" FIXUP, \ - " .dword 8b,9b\n" TENTRY) - -#define __asm_copy_to_user_16(to, from, ret) \ - __asm_copy_to_user_16x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_20x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_16x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - " move.d $r9,[%0+]\n10:\n" COPY, \ - "11: addq 4,%2\n" FIXUP, \ - " .dword 10b,11b\n" TENTRY) - -#define __asm_copy_to_user_20(to, from, ret) \ - __asm_copy_to_user_20x_cont(to, from, ret, "", "", "") - -#define __asm_copy_to_user_24x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_to_user_20x_cont(to, from, ret, \ - " move.d [%1+],$r9\n" \ - " move.d $r9,[%0+]\n12:\n" COPY, \ - "13: addq 4,%2\n" FIXUP, \ - " .dword 12b,13b\n" TENTRY) - -#define __asm_copy_to_user_24(to, from, ret) \ - __asm_copy_to_user_24x_cont(to, from, ret, "", "", "") - -/* Define a few clearing asms with exception handlers. */ - -/* This frame-asm is like the __asm_copy_user_cont one, but has one less - input. */ - -#define __asm_clear(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm__ __volatile__ ( \ - CLEAR \ - "1:\n" \ - " .section .fixup,\"ax\"\n" \ - FIXUP \ - " jump 1b\n" \ - " .previous\n" \ - " .section __ex_table,\"a\"\n" \ - TENTRY \ - " .previous" \ - : "=r" (to), "=r" (ret) \ - : "0" (to), "1" (ret) \ - : "memory") - -#define __asm_clear_1(to, ret) \ - __asm_clear(to, ret, \ - " clear.b [%0+]\n2:\n", \ - "3: addq 1,%1\n", \ - " .dword 2b,3b\n") - -#define __asm_clear_2(to, ret) \ - __asm_clear(to, ret, \ - " clear.w [%0+]\n2:\n", \ - "3: addq 2,%1\n", \ - " .dword 2b,3b\n") - -#define __asm_clear_3(to, ret) \ - __asm_clear(to, ret, \ - " clear.w [%0+]\n" \ - "2: clear.b [%0+]\n3:\n", \ - "4: addq 2,%1\n" \ - "5: addq 1,%1\n", \ - " .dword 2b,4b\n" \ - " .dword 3b,5b\n") - -#define __asm_clear_4x_cont(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm_clear(to, ret, \ - " clear.d [%0+]\n2:\n" CLEAR, \ - "3: addq 4,%1\n" FIXUP, \ - " .dword 2b,3b\n" TENTRY) - -#define __asm_clear_4(to, ret) \ - __asm_clear_4x_cont(to, ret, "", "", "") - -#define __asm_clear_8x_cont(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm_clear_4x_cont(to, ret, \ - " clear.d [%0+]\n4:\n" CLEAR, \ - "5: addq 4,%1\n" FIXUP, \ - " .dword 4b,5b\n" TENTRY) - -#define __asm_clear_8(to, ret) \ - __asm_clear_8x_cont(to, ret, "", "", "") - -#define __asm_clear_12x_cont(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm_clear_8x_cont(to, ret, \ - " clear.d [%0+]\n6:\n" CLEAR, \ - "7: addq 4,%1\n" FIXUP, \ - " .dword 6b,7b\n" TENTRY) - -#define __asm_clear_12(to, ret) \ - __asm_clear_12x_cont(to, ret, "", "", "") - -#define __asm_clear_16x_cont(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm_clear_12x_cont(to, ret, \ - " clear.d [%0+]\n8:\n" CLEAR, \ - "9: addq 4,%1\n" FIXUP, \ - " .dword 8b,9b\n" TENTRY) - -#define __asm_clear_16(to, ret) \ - __asm_clear_16x_cont(to, ret, "", "", "") - -#define __asm_clear_20x_cont(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm_clear_16x_cont(to, ret, \ - " clear.d [%0+]\n10:\n" CLEAR, \ - "11: addq 4,%1\n" FIXUP, \ - " .dword 10b,11b\n" TENTRY) - -#define __asm_clear_20(to, ret) \ - __asm_clear_20x_cont(to, ret, "", "", "") - -#define __asm_clear_24x_cont(to, ret, CLEAR, FIXUP, TENTRY) \ - __asm_clear_20x_cont(to, ret, \ - " clear.d [%0+]\n12:\n" CLEAR, \ - "13: addq 4,%1\n" FIXUP, \ - " .dword 12b,13b\n" TENTRY) - -#define __asm_clear_24(to, ret) \ - __asm_clear_24x_cont(to, ret, "", "", "") - -/* - * Return the size of a string (including the ending 0) - * - * Return length of string in userspace including terminating 0 - * or 0 for error. Return a value greater than N if too long. - */ - -static inline long -strnlen_user(const char *s, long n) -{ - long res, tmp1; - - if (!access_ok(VERIFY_READ, s, 0)) - return 0; - - /* - * This code is deduced from: - * - * tmp1 = n; - * while (tmp1-- > 0 && *s++) - * ; - * - * res = n - tmp1; - * - * (with tweaks). - */ - - __asm__ __volatile__ ( - " move.d %1,$r9\n" - "0:\n" - " ble 1f\n" - " subq 1,$r9\n" - - " test.b [%0+]\n" - " bne 0b\n" - " test.d $r9\n" - "1:\n" - " move.d %1,%0\n" - " sub.d $r9,%0\n" - "2:\n" - " .section .fixup,\"ax\"\n" - - "3: clear.d %0\n" - " jump 2b\n" - - /* There's one address for a fault at the first move, and - two possible PC values for a fault at the second move, - being a delay-slot filler. However, the branch-target - for the second move is the same as the first address. - Just so you don't get confused... */ - " .previous\n" - " .section __ex_table,\"a\"\n" - " .dword 0b,3b\n" - " .dword 1b,3b\n" - " .previous\n" - : "=r" (res), "=r" (tmp1) - : "0" (s), "1" (n) - : "r9"); - - return res; -} - -#endif diff --git a/arch/cris/include/arch-v10/arch/unistd.h b/arch/cris/include/arch-v10/arch/unistd.h deleted file mode 100644 index 03cd0b8652f4..000000000000 --- a/arch/cris/include/arch-v10/arch/unistd.h +++ /dev/null @@ -1,149 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_CRIS_ARCH_UNISTD_H_ -#define _ASM_CRIS_ARCH_UNISTD_H_ - -/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ -/* - * Don't remove the .ifnc tests; they are an insurance against - * any hard-to-spot gcc register allocation bugs. - */ -#define _syscall0(type,name) \ -type name(void) \ -{ \ - register long __a __asm__ ("r10"); \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_)); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ - register long __a __asm__ ("r10") = (long) arg1; \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_), "0" (__a)); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) \ -{ \ - register long __a __asm__ ("r10") = (long) arg1; \ - register long __b __asm__ ("r11") = (long) arg2; \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_), "0" (__a), "r" (__b)); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) \ -{ \ - register long __a __asm__ ("r10") = (long) arg1; \ - register long __b __asm__ ("r11") = (long) arg2; \ - register long __c __asm__ ("r12") = (long) arg3; \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ - register long __a __asm__ ("r10") = (long) arg1; \ - register long __b __asm__ ("r11") = (long) arg2; \ - register long __c __asm__ ("r12") = (long) arg3; \ - register long __d __asm__ ("r13") = (long) arg4; \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_), "0" (__a), "r" (__b), \ - "r" (__c), "r" (__d)); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ -{ \ - register long __a __asm__ ("r10") = (long) arg1; \ - register long __b __asm__ ("r11") = (long) arg2; \ - register long __c __asm__ ("r12") = (long) arg3; \ - register long __d __asm__ ("r13") = (long) arg4; \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "move %6,$mof\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_), "0" (__a), "r" (__b), \ - "r" (__c), "r" (__d), "g" (arg5)); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ -{ \ - register long __a __asm__ ("r10") = (long) arg1; \ - register long __b __asm__ ("r11") = (long) arg2; \ - register long __c __asm__ ("r12") = (long) arg3; \ - register long __d __asm__ ("r13") = (long) arg4; \ - register long __n_ __asm__ ("r9") = (__NR_##name); \ - __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ - ".err\n\t" \ - ".endif\n\t" \ - "move %6,$mof\n\tmove %7,$srp\n\t" \ - "break 13" \ - : "=r" (__a) \ - : "r" (__n_), "0" (__a), "r" (__b), \ - "r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\ - : "srp"); \ - if (__a >= 0) \ - return (type) __a; \ - errno = -__a; \ - return (type) -1; \ -} - -#endif |