diff options
Diffstat (limited to 'arch/cris/arch-v10')
-rw-r--r-- | arch/cris/arch-v10/boot/compressed/misc.c | 36 | ||||
-rw-r--r-- | arch/cris/arch-v10/boot/tools/build.c | 1 | ||||
-rw-r--r-- | arch/cris/arch-v10/drivers/eeprom.c | 4 | ||||
-rw-r--r-- | arch/cris/arch-v10/drivers/gpio.c | 3 | ||||
-rw-r--r-- | arch/cris/arch-v10/drivers/i2c.c | 2 | ||||
-rw-r--r-- | arch/cris/arch-v10/drivers/sync_serial.c | 34 | ||||
-rw-r--r-- | arch/cris/arch-v10/kernel/kgdb.c | 79 | ||||
-rw-r--r-- | arch/cris/arch-v10/mm/init.c | 2 |
8 files changed, 54 insertions, 107 deletions
diff --git a/arch/cris/arch-v10/boot/compressed/misc.c b/arch/cris/arch-v10/boot/compressed/misc.c index 18e13bce140..d933c89889d 100644 --- a/arch/cris/arch-v10/boot/compressed/misc.c +++ b/arch/cris/arch-v10/boot/compressed/misc.c @@ -102,50 +102,16 @@ extern char *input_data; /* lives in head.S */ static long bytes_out = 0; static uch *output_data; static unsigned long output_ptr = 0; - -static void *malloc(int size); -static void free(void *where); -static void gzip_mark(void **); -static void gzip_release(void **); - static void puts(const char *); /* the "heap" is put directly after the BSS ends, at end */ extern int _end; static long free_mem_ptr = (long)&_end; +static long free_mem_end_ptr; #include "../../../../../lib/inflate.c" -static void *malloc(int size) -{ - void *p; - - if (size < 0) - error("Malloc error"); - - free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */ - - p = (void *)free_mem_ptr; - free_mem_ptr += size; - - return p; -} - -static void free(void *where) -{ /* Don't care */ -} - -static void gzip_mark(void **ptr) -{ - *ptr = (void *) free_mem_ptr; -} - -static void gzip_release(void **ptr) -{ - free_mem_ptr = (long) *ptr; -} - /* decompressor info and error messages to serial console */ static void diff --git a/arch/cris/arch-v10/boot/tools/build.c b/arch/cris/arch-v10/boot/tools/build.c index 2f9bbb26d60..c8adef36416 100644 --- a/arch/cris/arch-v10/boot/tools/build.c +++ b/arch/cris/arch-v10/boot/tools/build.c @@ -30,7 +30,6 @@ #include <sys/sysmacros.h> #include <unistd.h> /* contains read/write */ #include <fcntl.h> -#include <linux/a.out.h> #include <errno.h> #define MINIX_HEADER 32 diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c index f1cac9dc75b..1f2ae909d3e 100644 --- a/arch/cris/arch-v10/drivers/eeprom.c +++ b/arch/cris/arch-v10/drivers/eeprom.c @@ -28,6 +28,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/smp_lock.h> #include <linux/wait.h> #include <asm/uaccess.h> #include "i2c.h" @@ -375,10 +376,9 @@ int __init eeprom_init(void) } /* Opens the device. */ - static int eeprom_open(struct inode * inode, struct file * file) { - + cycle_kernel_lock(); if(iminor(inode) != EEPROM_MINOR_NR) return -ENXIO; if(imajor(inode) != EEPROM_MAJOR_NR) diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index 68a998bd106..86048e697eb 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -16,6 +16,7 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/fs.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/poll.h> #include <linux/init.h> @@ -323,6 +324,7 @@ gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; + lock_kernel(); priv->minor = p; /* initialize the io/alarm struct */ @@ -357,6 +359,7 @@ gpio_open(struct inode *inode, struct file *filp) alarmlist = priv; spin_unlock_irqrestore(&gpio_lock, flags); + unlock_kernel(); return 0; } diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c index d6d22067d0c..2797e67ce4f 100644 --- a/arch/cris/arch-v10/drivers/i2c.c +++ b/arch/cris/arch-v10/drivers/i2c.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/fs.h> @@ -566,6 +567,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg) static int i2c_open(struct inode *inode, struct file *filp) { + cycle_kernel_lock(); return 0; } diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index 069546e342c..91fea623c7c 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -21,6 +21,7 @@ #include <linux/interrupt.h> #include <linux/poll.h> #include <linux/init.h> +#include <linux/smp_lock.h> #include <linux/timer.h> #include <asm/irq.h> #include <asm/dma.h> @@ -443,18 +444,21 @@ static int sync_serial_open(struct inode *inode, struct file *file) int dev = MINOR(inode->i_rdev); struct sync_port *port; int mode; + int err = -EBUSY; + lock_kernel(); DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev)); if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) { DEBUG(printk(KERN_DEBUG "Invalid minor %d\n", dev)); - return -ENODEV; + err = -ENODEV; + goto out; } port = &ports[dev]; /* Allow open this device twice (assuming one reader and one writer) */ if (port->busy == 2) { DEBUG(printk(KERN_DEBUG "Device is busy.. \n")); - return -EBUSY; + goto out; } if (port->init_irqs) { if (port->use_dma) { @@ -465,14 +469,14 @@ static int sync_serial_open(struct inode *inode, struct file *file) &ports[0])) { printk(KERN_CRIT "Can't alloc " "sync serial port 1 IRQ"); - return -EBUSY; + goto out; } else if (request_irq(25, rx_interrupt, 0, "synchronous serial 1 dma rx", &ports[0])) { free_irq(24, &port[0]); printk(KERN_CRIT "Can't alloc " "sync serial port 1 IRQ"); - return -EBUSY; + goto out; } else if (cris_request_dma(8, "synchronous serial 1 dma tr", DMA_VERBOSE_ON_ERROR, @@ -482,7 +486,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) printk(KERN_CRIT "Can't alloc " "sync serial port 1 " "TX DMA channel"); - return -EBUSY; + goto out; } else if (cris_request_dma(9, "synchronous serial 1 dma rec", DMA_VERBOSE_ON_ERROR, @@ -493,7 +497,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) printk(KERN_CRIT "Can't alloc " "sync serial port 1 " "RX DMA channel"); - return -EBUSY; + goto out; } #endif RESET_DMA(8); WAIT_DMA(8); @@ -520,14 +524,14 @@ static int sync_serial_open(struct inode *inode, struct file *file) &ports[1])) { printk(KERN_CRIT "Can't alloc " "sync serial port 3 IRQ"); - return -EBUSY; + goto out; } else if (request_irq(21, rx_interrupt, 0, "synchronous serial 3 dma rx", &ports[1])) { free_irq(20, &ports[1]); printk(KERN_CRIT "Can't alloc " "sync serial port 3 IRQ"); - return -EBUSY; + goto out; } else if (cris_request_dma(4, "synchronous serial 3 dma tr", DMA_VERBOSE_ON_ERROR, @@ -537,7 +541,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) printk(KERN_CRIT "Can't alloc " "sync serial port 3 " "TX DMA channel"); - return -EBUSY; + goto out; } else if (cris_request_dma(5, "synchronous serial 3 dma rec", DMA_VERBOSE_ON_ERROR, @@ -548,7 +552,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) printk(KERN_CRIT "Can't alloc " "sync serial port 3 " "RX DMA channel"); - return -EBUSY; + goto out; } #endif RESET_DMA(4); WAIT_DMA(4); @@ -581,7 +585,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) &ports[0])) { printk(KERN_CRIT "Can't alloc " "sync serial manual irq"); - return -EBUSY; + goto out; } } else if (port == &ports[1]) { if (request_irq(8, @@ -591,7 +595,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) &ports[1])) { printk(KERN_CRIT "Can't alloc " "sync serial manual irq"); - return -EBUSY; + goto out; } } port->init_irqs = 0; @@ -620,7 +624,11 @@ static int sync_serial_open(struct inode *inode, struct file *file) *R_IRQ_MASK1_SET = 1 << port->data_avail_bit; DEBUG(printk(KERN_DEBUG "sser%d rec started\n", dev)); } - return 0; + ret = 0; + +out: + unlock_kernel(); + return ret; } static int sync_serial_release(struct inode *inode, struct file *file) diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c index a3ca5515074..6fea45f2e40 100644 --- a/arch/cris/arch-v10/kernel/kgdb.c +++ b/arch/cris/arch-v10/kernel/kgdb.c @@ -278,14 +278,6 @@ void putDebugChar (int val); void enableDebugIRQ (void); -/* Returns the character equivalent of a nibble, bit 7, 6, 5, and 4 of a byte, - represented by int x. */ -static char highhex (int x); - -/* Returns the character equivalent of a nibble, bit 3, 2, 1, and 0 of a byte, - represented by int x. */ -static char lowhex (int x); - /* Returns the integer equivalent of a hexadecimal character. */ static int hex (char ch); @@ -356,9 +348,6 @@ extern unsigned char executing_task; /* Run-length encoding maximum length. Send 64 at most. */ #define RUNLENMAX 64 -/* Definition of all valid hexadecimal characters */ -static const char hexchars[] = "0123456789abcdef"; - /* The inbound/outbound buffers used in packet I/O */ static char remcomInBuffer[BUFMAX]; static char remcomOutBuffer[BUFMAX]; @@ -499,8 +488,8 @@ gdb_cris_strtol (const char *s, char **endptr, int base) char *sd; int x = 0; - for (s1 = (char*)s; (sd = gdb_cris_memchr(hexchars, *s1, base)) != NULL; ++s1) - x = x * base + (sd - hexchars); + for (s1 = (char*)s; (sd = gdb_cris_memchr(hex_asc, *s1, base)) != NULL; ++s1) + x = x * base + (sd - hex_asc); if (endptr) { @@ -670,22 +659,6 @@ read_register (char regno, unsigned int *valptr) } /********************************** Packet I/O ******************************/ -/* Returns the character equivalent of a nibble, bit 7, 6, 5, and 4 of a byte, - represented by int x. */ -static inline char -highhex(int x) -{ - return hexchars[(x >> 4) & 0xf]; -} - -/* Returns the character equivalent of a nibble, bit 3, 2, 1, and 0 of a byte, - represented by int x. */ -static inline char -lowhex(int x) -{ - return hexchars[x & 0xf]; -} - /* Returns the integer equivalent of a hexadecimal character. */ static int hex (char ch) @@ -721,8 +694,7 @@ mem2hex(char *buf, unsigned char *mem, int count) /* Valid mem address. */ for (i = 0; i < count; i++) { ch = *mem++; - *buf++ = highhex (ch); - *buf++ = lowhex (ch); + buf = pack_hex_byte(buf, ch); } } @@ -857,9 +829,9 @@ putpacket(char *buffer) src++; } } - putDebugChar ('#'); - putDebugChar (highhex (checksum)); - putDebugChar (lowhex (checksum)); + putDebugChar('#'); + putDebugChar(hex_asc_hi(checksum)); + putDebugChar(hex_asc_lo(checksum)); } while(kgdb_started && (getDebugChar() != '+')); } @@ -895,9 +867,8 @@ stub_is_stopped(int sigval) /* Send trap type (converted to signal) */ - *ptr++ = 'T'; - *ptr++ = highhex (sigval); - *ptr++ = lowhex (sigval); + *ptr++ = 'T'; + ptr = pack_hex_byte(ptr, sigval); /* Send register contents. We probably only need to send the * PC, frame pointer and stack pointer here. Other registers will be @@ -910,9 +881,7 @@ stub_is_stopped(int sigval) status = read_register (regno, ®_cont); if (status == SUCCESS) { - - *ptr++ = highhex (regno); - *ptr++ = lowhex (regno); + ptr = pack_hex_byte(ptr, regno); *ptr++ = ':'; ptr = mem2hex(ptr, (unsigned char *)®_cont, @@ -937,8 +906,8 @@ stub_is_stopped(int sigval) /* Store thread:r...; with the executing task TID. */ gdb_cris_strcpy (&remcomOutBuffer[pos], "thread:"); pos += gdb_cris_strlen ("thread:"); - remcomOutBuffer[pos++] = highhex (executing_task); - remcomOutBuffer[pos++] = lowhex (executing_task); + remcomOutBuffer[pos++] = hex_asc_hi(executing_task); + remcomOutBuffer[pos++] = hex_asc_lo(executing_task); gdb_cris_strcpy (&remcomOutBuffer[pos], ";"); #endif @@ -1126,8 +1095,8 @@ handle_exception (int sigval) Success: SAA, where AA is the signal number. Failure: void. */ remcomOutBuffer[0] = 'S'; - remcomOutBuffer[1] = highhex (sigval); - remcomOutBuffer[2] = lowhex (sigval); + remcomOutBuffer[1] = hex_asc_hi(sigval); + remcomOutBuffer[2] = hex_asc_lo(sigval); remcomOutBuffer[3] = 0; break; @@ -1224,23 +1193,23 @@ handle_exception (int sigval) case 'C': /* Identify the remote current thread. */ gdb_cris_strcpy (&remcomOutBuffer[0], "QC"); - remcomOutBuffer[2] = highhex (current_thread_c); - remcomOutBuffer[3] = lowhex (current_thread_c); + remcomOutBuffer[2] = hex_asc_hi(current_thread_c); + remcomOutBuffer[3] = hex_asc_lo(current_thread_c); remcomOutBuffer[4] = '\0'; break; case 'L': gdb_cris_strcpy (&remcomOutBuffer[0], "QM"); /* Reply with number of threads. */ if (os_is_started()) { - remcomOutBuffer[2] = highhex (number_of_tasks); - remcomOutBuffer[3] = lowhex (number_of_tasks); + remcomOutBuffer[2] = hex_asc_hi(number_of_tasks); + remcomOutBuffer[3] = hex_asc_lo(number_of_tasks); } else { - remcomOutBuffer[2] = highhex (0); - remcomOutBuffer[3] = lowhex (1); + remcomOutBuffer[2] = hex_asc_hi(0); + remcomOutBuffer[3] = hex_asc_lo(1); } /* Done with the reply. */ - remcomOutBuffer[4] = lowhex (1); + remcomOutBuffer[4] = hex_asc_lo(1); pos = 5; /* Expects the argument thread id. */ for (; pos < (5 + HEXCHARS_IN_THREAD_ID); pos++) @@ -1251,16 +1220,16 @@ handle_exception (int sigval) for (thread_id = 0; thread_id < number_of_tasks; thread_id++) { nextpos = pos + HEXCHARS_IN_THREAD_ID - 1; for (; pos < nextpos; pos ++) - remcomOutBuffer[pos] = lowhex (0); - remcomOutBuffer[pos++] = lowhex (thread_id); + remcomOutBuffer[pos] = hex_asc_lo(0); + remcomOutBuffer[pos++] = hex_asc_lo(thread_id); } } else { /* Store the thread identifier of the boot task. */ nextpos = pos + HEXCHARS_IN_THREAD_ID - 1; for (; pos < nextpos; pos ++) - remcomOutBuffer[pos] = lowhex (0); - remcomOutBuffer[pos++] = lowhex (current_thread_c); + remcomOutBuffer[pos] = hex_asc_lo(0); + remcomOutBuffer[pos++] = hex_asc_lo(current_thread_c); } remcomOutBuffer[pos] = '\0'; break; diff --git a/arch/cris/arch-v10/mm/init.c b/arch/cris/arch-v10/mm/init.c index e0fcd1a9bfd..742fd1974c2 100644 --- a/arch/cris/arch-v10/mm/init.c +++ b/arch/cris/arch-v10/mm/init.c @@ -182,7 +182,7 @@ paging_init(void) * mem_map page array. */ - free_area_init_node(0, &contig_page_data, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0); + free_area_init_node(0, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0); } /* Initialize remaps of some I/O-ports. It is important that this |