int
default 6
+config TRACE_IRQFLAGS_SUPPORT
+ depends on ETRAX_ARCH_V32
+ def_bool y
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+config LOCKDEP_SUPPORT
+ depends on ETRAX_ARCH_V32
+ def_bool y
+
config CRIS
bool
default y
select CLKSRC_MMIO if ETRAX_ARCH_V32
select GENERIC_CLOCKEVENTS if ETRAX_ARCH_V32
select GENERIC_SCHED_CLOCK if ETRAX_ARCH_V32
+ select HAVE_DEBUG_BUGVERBOSE if ETRAX_ARCH_V32
config HZ
int
.long sys_process_vm_writev
.long sys_kcmp /* 350 */
.long sys_finit_module
+ .long sys_sched_setattr
+ .long sys_sched_getattr
+ .long sys_renameat2
+ .long sys_seccomp /* 355 */
+ .long sys_getrandom
+ .long sys_memfd_create
+ .long sys_bpf
+ .long sys_execveat
/*
* NOTE!! This doesn't have to be exact - we just have
+++ /dev/null
-/*
- * memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
- */
-
-#include <asm/svinto.h>
-#include <asm/io.h>
-
-#define D(x)
-
-void *dma_memcpy(void *pdst,
- const void *psrc,
- unsigned int pn)
-{
- static etrax_dma_descr indma, outdma;
-
- D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn));
-
-#if 0
- *R_GEN_CONFIG = genconfig_shadow =
- (genconfig_shadow & ~0x3c0000) |
- IO_STATE(R_GEN_CONFIG, dma6, intdma7) |
- IO_STATE(R_GEN_CONFIG, dma7, intdma6);
-#endif
- indma.sw_len = outdma.sw_len = pn;
- indma.ctrl = d_eol | d_eop;
- outdma.ctrl = d_eol;
- indma.buf = psrc;
- outdma.buf = pdst;
-
- *R_DMA_CH6_FIRST = &indma;
- *R_DMA_CH7_FIRST = &outdma;
- *R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start);
- *R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start);
-
- while (*R_DMA_CH7_CMD == 1)
- /* wait for completion */;
-
- D(printk(KERN_DEBUG "done\n"));
-}
-
-
-
+++ /dev/null
-/*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * IP/TCP/UDP checksumming routines
- *
- * Authors: Jorge Cwik, <jorge@laser.satlink.net>
- * Arnt Gulbrandsen, <agulbra@nvg.unit.no>
- * Tom May, <ftom@netcom.com>
- * Lots of code moved from tcp.c and ip.c; see those files
- * for more names.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <net/checksum.h>
-#include <net/module.h>
-
-#undef PROFILE_CHECKSUM
-
-#ifdef PROFILE_CHECKSUM
-/* these are just for profiling the checksum code with an oscillioscope.. uh */
-#if 0
-#define BITOFF *((unsigned char *)0xb0000030) = 0xff
-#define BITON *((unsigned char *)0xb0000030) = 0x0
-#endif
-#include <asm/io.h>
-#define CBITON LED_ACTIVE_SET(1)
-#define CBITOFF LED_ACTIVE_SET(0)
-#define BITOFF
-#define BITON
-#else
-#define BITOFF
-#define BITON
-#define CBITOFF
-#define CBITON
-#endif
-
-/*
- * computes a partial checksum, e.g. for TCP/UDP fragments
- */
-
-#include <asm/delay.h>
-
-__wsum csum_partial(const void *p, int len, __wsum __sum)
-{
- u32 sum = (__force u32)__sum;
- const u16 *buff = p;
- /*
- * Experiments with ethernet and slip connections show that buff
- * is aligned on either a 2-byte or 4-byte boundary.
- */
- const void *endMarker = p + len;
- const void *marker = endMarker - (len % 16);
-#if 0
- if((int)buff & 0x3)
- printk("unaligned buff %p\n", buff);
- __delay(900); /* extra delay of 90 us to test performance hit */
-#endif
- BITON;
- while (buff < marker) {
- sum += *buff++;
- sum += *buff++;
- sum += *buff++;
- sum += *buff++;
- sum += *buff++;
- sum += *buff++;
- sum += *buff++;
- sum += *buff++;
- }
- marker = endMarker - (len % 2);
- while (buff < marker)
- sum += *buff++;
-
- if (endMarker > buff)
- sum += *(const u8 *)buff; /* add extra byte separately */
-
- BITOFF;
- return (__force __wsum)sum;
-}
-
-EXPORT_SYMBOL(csum_partial);
default "0x00" if ETRAXFS
default "0x00000000" if !ETRAXFS
help
- This is a bitmask (8 bits) with information of what bits in PA that a
+ This is a bitmask with information of what bits in PA that a
user can change direction on using ioctl's.
Bit set = changeable.
You probably want 0 here, but it depends on your hardware.
default "0x00" if ETRAXFS
default "0x00000000" if !ETRAXFS
help
- This is a bitmask (8 bits) with information of what bits in PA
+ This is a bitmask with information of what bits in PA
that a user can change the value on using ioctl's.
Bit set = changeable.
default "0x00000" if ETRAXFS
default "0x00000000" if !ETRAXFS
help
- This is a bitmask (18 bits) with information of what bits in PB
+ This is a bitmask with information of what bits in PB
that a user can change direction on using ioctl's.
Bit set = changeable.
You probably want 0 here, but it depends on your hardware.
default "0x00000" if ETRAXFS
default "0x00000000" if !ETRAXFS
help
- This is a bitmask (18 bits) with information of what bits in PB
+ This is a bitmask with information of what bits in PB
that a user can change the value on using ioctl's.
Bit set = changeable.
default "0x00000" if ETRAXFS
default "0x00000000" if !ETRAXFS
help
- This is a bitmask (18 bits) with information of what bits in PC
+ This is a bitmask with information of what bits in PC
that a user can change direction on using ioctl's.
Bit set = changeable.
You probably want 0 here, but it depends on your hardware.
hex "PC user changeable bits mask"
depends on ETRAX_GPIO
default "0x00000" if ETRAXFS
- default "0x00000000" if ETRAXFS
+ default "0x00000000" if !ETRAXFS
help
- This is a bitmask (18 bits) with information of what bits in PC
+ This is a bitmask with information of what bits in PC
that a user can change the value on using ioctl's.
Bit set = changeable.
depends on ETRAX_GPIO && ETRAXFS
default "0x00000"
help
- This is a bitmask (18 bits) with information of what bits in PD
+ This is a bitmask with information of what bits in PD
that a user can change direction on using ioctl's.
Bit set = changeable.
You probably want 0x00000 here, but it depends on your hardware.
size_t len;
int ram_rootfs_partition = -1; /* -1 => no RAM rootfs partition */
int part;
+ struct mtd_partition *partition;
/* We need a root fs. If it resides in RAM, we need to use an
* MTDRAM device, so it must be enabled in the kernel config,
main_mtd = flash_probe();
if (main_mtd)
- printk(KERN_INFO "%s: 0x%08x bytes of NOR flash memory.\n",
+ printk(KERN_INFO "%s: 0x%08llx bytes of NOR flash memory.\n",
main_mtd->name, main_mtd->size);
#ifdef CONFIG_ETRAX_NANDFLASH
#endif
if (main_mtd) {
+ loff_t ptable_sector = CONFIG_ETRAX_PTABLE_SECTOR;
main_mtd->owner = THIS_MODULE;
axisflash_mtd = main_mtd;
- loff_t ptable_sector = CONFIG_ETRAX_PTABLE_SECTOR;
/* First partition (rescue) is always set to the default. */
pidx++;
/* Decide whether to use default partition table. */
/* Only use default table if we actually have a device (main_mtd) */
- struct mtd_partition *partition = &axis_partitions[0];
+ partition = &axis_partitions[0];
if (main_mtd && !ptable_ok) {
memcpy(axis_partitions, axis_default_partitions,
sizeof(axis_default_partitions));
printk(KERN_INFO "axisflashmap: Adding RAM partition "
"for rootfs image.\n");
err = mtdram_init_device(mtd_ram,
- (void *)partition[part].offset,
+ (void *)(u_int32_t)partition[part].offset,
partition[part].size,
partition[part].name);
if (err)
static int __init gpio_init(void)
{
- int res;
+ int res, res2;
printk(KERN_INFO "ETRAX FS GPIO driver v2.7, (c) 2003-2008 "
"Axis Communications AB\n");
CRIS_LED_DISK_READ(0);
CRIS_LED_DISK_WRITE(0);
- int res2 = request_irq(GIO_INTR_VECT, gpio_interrupt,
+ res2 = request_irq(GIO_INTR_VECT, gpio_interrupt,
IRQF_SHARED, "gpio", &alarmlist);
if (res2) {
printk(KERN_ERR "err: irq for gpio\n");
if (p > GPIO_MINOR_LAST)
return -EINVAL;
- priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL);
+ priv = kzalloc(sizeof(struct gpio_private), GFP_KERNEL);
if (!priv)
return -ENOMEM;
mutex_lock(&gpio_mutex);
- memset(priv, 0, sizeof(*priv));
priv->minor = p;
.type _Rexit,@function
_Rexit:
+#if defined(CONFIG_TRACE_IRQFLAGS)
+ addoq +PT_ccs, $sp, $acr
+ move.d [$acr], $r0
+ btstq 15, $r0 ; I1
+ bpl 1f
+ nop
+ jsr trace_hardirqs_on
+ nop
+1:
+#endif
+
;; This epilogue MUST match the prologues in multiple_interrupt, irq.h
;; and ptregs.h.
addq 4, $sp ; Skip orig_r10.
.long sys_process_vm_writev
.long sys_kcmp /* 350 */
.long sys_finit_module
+ .long sys_sched_setattr
+ .long sys_sched_getattr
+ .long sys_renameat2
+ .long sys_seccomp /* 355 */
+ .long sys_getrandom
+ .long sys_memfd_create
+ .long sys_bpf
+ .long sys_execveat
/*
* NOTE!! This doesn't have to be exact - we just have
/* We use this if we don't have any better idle routine. */
void default_idle(void)
{
+ local_irq_enable();
/* Halt until exception. */
- __asm__ volatile("ei \n\t"
- "halt ");
+ __asm__ volatile("halt");
}
/*
#include <asm/processor.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
-#include <arch/ptrace.h>
#include <arch/hwregs/cpu_vect.h>
extern unsigned long cris_signal_return_page;
pins[port][i] = mode;
crisv32_pinmux_set(port);
+
+ return 0;
}
static int crisv32_pinmux_init(void)
int ret = -EINVAL;
char saved[sizeof pins];
unsigned long flags;
+ reg_pinmux_rw_hwprot hwprot;
spin_lock_irqsave(&pinmux_lock, flags);
crisv32_pinmux_init(); /* Must be done before we read rw_hwprot */
- reg_pinmux_rw_hwprot hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
+ hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
switch (function) {
case pinmux_ser1:
int ret = -EINVAL;
char saved[sizeof pins];
unsigned long flags;
+ reg_pinmux_rw_hwprot hwprot;
spin_lock_irqsave(&pinmux_lock, flags);
crisv32_pinmux_init(); /* Must be done before we read rw_hwprot */
- reg_pinmux_rw_hwprot hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
+ hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
switch (function) {
case pinmux_ser1:
CONFIG_CRIS_MACH_ARTPEC3=y
CONFIG_ETRAX_DRAM_SIZE=32
CONFIG_ETRAX_FLASH1_SIZE=4
-CONFIG_ETRAX_DEF_GIO_PA_OE=1c
-CONFIG_ETRAX_DEF_GIO_PA_OUT=00
-CONFIG_ETRAX_DEF_GIO_PB_OE=00000
-CONFIG_ETRAX_DEF_GIO_PB_OUT=00000
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_CRAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
+CONFIG_ETRAX_GPIO=y
CONFIG_CRAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
+CONFIG_ETRAX_GPIO=y
+++ /dev/null
-#ifndef __ASMCRIS_ARCH_ELF_H
-#define __ASMCRIS_ARCH_ELF_H
-
-#include <arch/system.h>
-
-#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10
-
-/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
- ((x)->e_machine == EM_CRIS \
- && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \
- || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
-
-/*
- * ELF register definitions..
- */
-
-#include <asm/ptrace.h>
-
-/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
- starts (a register; assume first param register for CRIS)
- contains a pointer to a function which might be
- registered using `atexit'. This provides a mean for the
- dynamic linker to call DT_FINI functions for shared libraries
- that have been loaded before the code runs.
-
- A value of 0 tells we have no such handler. */
-
-/* Explicitly set registers to 0 to increase determinism. */
-#define ELF_PLAT_INIT(_r, load_addr) do { \
- (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
- (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \
- (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \
- (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \
-} while (0)
-
-/* The additional layer below is because the stack pointer is missing in
- the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t,
- and should be filled in according to the layout of the user_regs_struct
- struct; regs is a pt_regs struct. We dump all registers, though several are
- obviously unnecessary. That way there's less need for intelligence at
- the receiving end (i.e. gdb). */
-#define ELF_CORE_COPY_REGS(pr_reg, regs) \
- pr_reg[0] = regs->r0; \
- pr_reg[1] = regs->r1; \
- pr_reg[2] = regs->r2; \
- pr_reg[3] = regs->r3; \
- pr_reg[4] = regs->r4; \
- pr_reg[5] = regs->r5; \
- pr_reg[6] = regs->r6; \
- pr_reg[7] = regs->r7; \
- pr_reg[8] = regs->r8; \
- pr_reg[9] = regs->r9; \
- pr_reg[10] = regs->r10; \
- pr_reg[11] = regs->r11; \
- pr_reg[12] = regs->r12; \
- pr_reg[13] = regs->r13; \
- pr_reg[14] = rdusp(); /* sp */ \
- pr_reg[15] = regs->irp; /* pc */ \
- pr_reg[16] = 0; /* p0 */ \
- pr_reg[17] = rdvr(); /* vr */ \
- pr_reg[18] = 0; /* p2 */ \
- pr_reg[19] = 0; /* p3 */ \
- pr_reg[20] = 0; /* p4 */ \
- pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \
- pr_reg[22] = 0; /* p6 */ \
- pr_reg[23] = regs->mof; /* mof */ \
- pr_reg[24] = 0; /* p8 */ \
- pr_reg[25] = 0; /* ibr */ \
- pr_reg[26] = 0; /* irp */ \
- pr_reg[27] = regs->srp; /* srp */ \
- pr_reg[28] = 0; /* bar */ \
- pr_reg[29] = regs->dccr; /* dccr */ \
- pr_reg[30] = 0; /* brp */ \
- pr_reg[31] = rdusp(); /* usp */ \
- pr_reg[32] = 0; /* csrinstr */ \
- pr_reg[33] = 0; /* csraddr */ \
- pr_reg[34] = 0; /* csrdata */
-
-
-#endif
+++ /dev/null
-#ifndef _CRIS_ARCH_PTRACE_H
-#define _CRIS_ARCH_PTRACE_H
-
-/* Frame types */
-
-#define CRIS_FRAME_NORMAL 0 /* normal frame without SBFS stacking */
-#define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return
- path */
-
-/* Register numbers in the ptrace system call interface */
-
-#define PT_FRAMETYPE 0
-#define PT_ORIG_R10 1
-#define PT_R13 2
-#define PT_R12 3
-#define PT_R11 4
-#define PT_R10 5
-#define PT_R9 6
-#define PT_R8 7
-#define PT_R7 8
-#define PT_R6 9
-#define PT_R5 10
-#define PT_R4 11
-#define PT_R3 12
-#define PT_R2 13
-#define PT_R1 14
-#define PT_R0 15
-#define PT_MOF 16
-#define PT_DCCR 17
-#define PT_SRP 18
-#define PT_IRP 19 /* This is actually the debugged process' PC */
-#define PT_CSRINSTR 20 /* CPU Status record remnants -
- valid if frametype == busfault */
-#define PT_CSRADDR 21
-#define PT_CSRDATA 22
-#define PT_USP 23 /* special case - USP is not in the pt_regs */
-#define PT_MAX 23
-
-/* Condition code bit numbers. The same numbers apply to CCR of course,
- but we use DCCR everywhere else, so let's try and be consistent. */
-#define C_DCCR_BITNR 0
-#define V_DCCR_BITNR 1
-#define Z_DCCR_BITNR 2
-#define N_DCCR_BITNR 3
-#define X_DCCR_BITNR 4
-#define I_DCCR_BITNR 5
-#define B_DCCR_BITNR 6
-#define M_DCCR_BITNR 7
-#define U_DCCR_BITNR 8
-#define P_DCCR_BITNR 9
-#define F_DCCR_BITNR 10
-
-/* pt_regs not only specifices the format in the user-struct during
- * ptrace but is also the frame format used in the kernel prologue/epilogues
- * themselves
- */
-
-struct pt_regs {
- unsigned long frametype; /* type of stackframe */
- unsigned long orig_r10;
- /* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */
- unsigned long r13;
- unsigned long r12;
- unsigned long r11;
- unsigned long r10;
- unsigned long r9;
- unsigned long r8;
- unsigned long r7;
- unsigned long r6;
- unsigned long r5;
- unsigned long r4;
- unsigned long r3;
- unsigned long r2;
- unsigned long r1;
- unsigned long r0;
- unsigned long mof;
- unsigned long dccr;
- unsigned long srp;
- unsigned long irp; /* This is actually the debugged process' PC */
- unsigned long csrinstr;
- unsigned long csraddr;
- unsigned long csrdata;
-};
-
-/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
- * when doing a context-switch. it is used (apart from in resume) when a new
- * thread is made and we need to make _resume (which is starting it for the
- * first time) realise what is going on.
- *
- * Actually, the use is very close to the thread struct (TSS) in that both the
- * switch_stack and the TSS are used to keep thread stuff when switching in
- * _resume.
- */
-
-struct switch_stack {
- unsigned long r9;
- unsigned long r8;
- unsigned long r7;
- unsigned long r6;
- unsigned long r5;
- unsigned long r4;
- unsigned long r3;
- unsigned long r2;
- unsigned long r1;
- unsigned long r0;
- unsigned long return_ip; /* ip that _resume will return to */
-};
-
-#ifdef __KERNEL__
-
-/* bit 8 is user-mode flag */
-#define user_mode(regs) (((regs)->dccr & 0x100) != 0)
-#define instruction_pointer(regs) ((regs)->irp)
-#define profile_pc(regs) instruction_pointer(regs)
-
-#endif /* __KERNEL__ */
-
-#endif
* All other stuff is done out-of-band with exception handlers.
*/
#define BUG() \
+do { \
__asm__ __volatile__ ("0: break 14\n\t" \
".section .fixup,\"ax\"\n" \
"1:\n\t" \
".section __ex_table,\"a\"\n\t" \
".dword 0b, 1b\n\t" \
".previous\n\t" \
- : : "ri" (__FILE__), "i" (__LINE__))
+ : : "ri" (__FILE__), "i" (__LINE__)); \
+ unreachable(); \
+} while (0)
#else
-#define BUG() __asm__ __volatile__ ("break 14\n\t")
+#define BUG() \
+do { \
+ __asm__ __volatile__ ("break 14\n\t"); \
+ unreachable(); \
+} while (0)
#endif
#define HAVE_ARCH_BUG
+++ /dev/null
-#ifndef _ASM_CRIS_ELF_H
-#define _ASM_CRIS_ELF_H
-
-#include <arch/system.h>
-
-#define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32
-
-/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
- ((x)->e_machine == EM_CRIS \
- && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_V32 \
- || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
-
-/* CRISv32 ELF register definitions. */
-
-#include <asm/ptrace.h>
-
-/* Explicitly zero out registers to increase determinism. */
-#define ELF_PLAT_INIT(_r, load_addr) do { \
- (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
- (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \
- (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \
- (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \
- (_r)->acr = 0; \
-} while (0)
-
-/*
- * An executable for which elf_read_implies_exec() returns TRUE will
- * have the READ_IMPLIES_EXEC personality flag set automatically.
- */
-#define elf_read_implies_exec_binary(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack))
-
-/*
- * This is basically a pt_regs with the additional definition
- * of the stack pointer since it's needed in a core dump.
- * pr_regs is a elf_gregset_t and should be filled according
- * to the layout of user_regs_struct.
- */
-#define ELF_CORE_COPY_REGS(pr_reg, regs) \
- pr_reg[0] = regs->r0; \
- pr_reg[1] = regs->r1; \
- pr_reg[2] = regs->r2; \
- pr_reg[3] = regs->r3; \
- pr_reg[4] = regs->r4; \
- pr_reg[5] = regs->r5; \
- pr_reg[6] = regs->r6; \
- pr_reg[7] = regs->r7; \
- pr_reg[8] = regs->r8; \
- pr_reg[9] = regs->r9; \
- pr_reg[10] = regs->r10; \
- pr_reg[11] = regs->r11; \
- pr_reg[12] = regs->r12; \
- pr_reg[13] = regs->r13; \
- pr_reg[14] = rdusp(); /* SP */ \
- pr_reg[15] = regs->acr; /* ACR */ \
- pr_reg[16] = 0; /* BZ */ \
- pr_reg[17] = rdvr(); /* VR */ \
- pr_reg[18] = 0; /* PID */ \
- pr_reg[19] = regs->srs; /* SRS */ \
- pr_reg[20] = 0; /* WZ */ \
- pr_reg[21] = regs->exs; /* EXS */ \
- pr_reg[22] = regs->eda; /* EDA */ \
- pr_reg[23] = regs->mof; /* MOF */ \
- pr_reg[24] = 0; /* DZ */ \
- pr_reg[25] = 0; /* EBP */ \
- pr_reg[26] = regs->erp; /* ERP */ \
- pr_reg[27] = regs->srp; /* SRP */ \
- pr_reg[28] = 0; /* NRP */ \
- pr_reg[29] = regs->ccs; /* CCS */ \
- pr_reg[30] = rdusp(); /* USP */ \
- pr_reg[31] = regs->spc; /* SPC */ \
-
-#endif /* _ASM_CRIS_ELF_H */
#define __ASM_CRIS_ARCH_IRQFLAGS_H
#include <linux/types.h>
-#include <arch/ptrace.h>
+#include <asm/ptrace.h>
static inline unsigned long arch_local_save_flags(void)
{
+++ /dev/null
-#ifndef _CRIS_ARCH_PTRACE_H
-#define _CRIS_ARCH_PTRACE_H
-
-/* Register numbers in the ptrace system call interface */
-
-#define PT_ORIG_R10 0
-#define PT_R0 1
-#define PT_R1 2
-#define PT_R2 3
-#define PT_R3 4
-#define PT_R4 5
-#define PT_R5 6
-#define PT_R6 7
-#define PT_R7 8
-#define PT_R8 9
-#define PT_R9 10
-#define PT_R10 11
-#define PT_R11 12
-#define PT_R12 13
-#define PT_R13 14
-#define PT_ACR 15
-#define PT_SRS 16
-#define PT_MOF 17
-#define PT_SPC 18
-#define PT_CCS 19
-#define PT_SRP 20
-#define PT_ERP 21 /* This is actually the debugged process' PC */
-#define PT_EXS 22
-#define PT_EDA 23
-#define PT_USP 24 /* special case - USP is not in the pt_regs */
-#define PT_PPC 25 /* special case - pseudo PC */
-#define PT_BP 26 /* Base number for BP registers. */
-#define PT_BP_CTRL 26 /* BP control register. */
-#define PT_MAX 40
-
-/* Condition code bit numbers. */
-#define C_CCS_BITNR 0
-#define V_CCS_BITNR 1
-#define Z_CCS_BITNR 2
-#define N_CCS_BITNR 3
-#define X_CCS_BITNR 4
-#define I_CCS_BITNR 5
-#define U_CCS_BITNR 6
-#define P_CCS_BITNR 7
-#define R_CCS_BITNR 8
-#define S_CCS_BITNR 9
-#define M_CCS_BITNR 30
-#define Q_CCS_BITNR 31
-#define CCS_SHIFT 10 /* Shift count for each level in CCS */
-
-/* pt_regs not only specifices the format in the user-struct during
- * ptrace but is also the frame format used in the kernel prologue/epilogues
- * themselves
- */
-
-struct pt_regs {
- unsigned long orig_r10;
- /* pushed by movem r13, [sp] in SAVE_ALL. */
- unsigned long r0;
- unsigned long r1;
- unsigned long r2;
- unsigned long r3;
- unsigned long r4;
- unsigned long r5;
- unsigned long r6;
- unsigned long r7;
- unsigned long r8;
- unsigned long r9;
- unsigned long r10;
- unsigned long r11;
- unsigned long r12;
- unsigned long r13;
- unsigned long acr;
- unsigned long srs;
- unsigned long mof;
- unsigned long spc;
- unsigned long ccs;
- unsigned long srp;
- unsigned long erp; /* This is actually the debugged process' PC */
- /* For debugging purposes; saved only when needed. */
- unsigned long exs;
- unsigned long eda;
-};
-
-/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
- * when doing a context-switch. it is used (apart from in resume) when a new
- * thread is made and we need to make _resume (which is starting it for the
- * first time) realise what is going on.
- *
- * Actually, the use is very close to the thread struct (TSS) in that both the
- * switch_stack and the TSS are used to keep thread stuff when switching in
- * _resume.
- */
-
-struct switch_stack {
- unsigned long r0;
- unsigned long r1;
- unsigned long r2;
- unsigned long r3;
- unsigned long r4;
- unsigned long r5;
- unsigned long r6;
- unsigned long r7;
- unsigned long r8;
- unsigned long r9;
- unsigned long return_ip; /* ip that _resume will return to */
-};
-
-#ifdef __KERNEL__
-
-#define arch_has_single_step() (1)
-#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
-#define instruction_pointer(regs) ((regs)->erp)
-#define profile_pc(regs) instruction_pointer(regs)
-
-#endif /* __KERNEL__ */
-
-#endif
generic-y += atomic.h
+generic-y += auxvec.h
generic-y += barrier.h
+generic-y += bitsperlong.h
generic-y += clkdev.h
generic-y += cmpxchg.h
generic-y += cputime.h
generic-y += device.h
generic-y += div64.h
+generic-y += errno.h
generic-y += exec.h
generic-y += emergency-restart.h
+generic-y += fcntl.h
generic-y += futex.h
generic-y += hardirq.h
+generic-y += ioctl.h
+generic-y += ipcbuf.h
generic-y += irq_regs.h
generic-y += irq_work.h
generic-y += kdebug.h
generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
+generic-y += mman.h
generic-y += module.h
+generic-y += msgbuf.h
generic-y += percpu.h
+generic-y += poll.h
generic-y += preempt.h
+generic-y += resource.h
generic-y += sections.h
+generic-y += sembuf.h
+generic-y += shmbuf.h
+generic-y += siginfo.h
+generic-y += socket.h
+generic-y += sockios.h
+generic-y += statfs.h
generic-y += topology.h
generic-y += trace_clock.h
+generic-y += types.h
generic-y += vga.h
generic-y += xor.h
+++ /dev/null
-#ifndef __ASMCRIS_ELF_H
-#define __ASMCRIS_ELF_H
-
-/*
- * ELF register definitions..
- */
-
-#include <asm/user.h>
-
-#define R_CRIS_NONE 0
-#define R_CRIS_8 1
-#define R_CRIS_16 2
-#define R_CRIS_32 3
-#define R_CRIS_8_PCREL 4
-#define R_CRIS_16_PCREL 5
-#define R_CRIS_32_PCREL 6
-#define R_CRIS_GNU_VTINHERIT 7
-#define R_CRIS_GNU_VTENTRY 8
-#define R_CRIS_COPY 9
-#define R_CRIS_GLOB_DAT 10
-#define R_CRIS_JUMP_SLOT 11
-#define R_CRIS_RELATIVE 12
-#define R_CRIS_16_GOT 13
-#define R_CRIS_32_GOT 14
-#define R_CRIS_16_GOTPLT 15
-#define R_CRIS_32_GOTPLT 16
-#define R_CRIS_32_GOTREL 17
-#define R_CRIS_32_PLT_GOTREL 18
-#define R_CRIS_32_PLT_PCREL 19
-
-typedef unsigned long elf_greg_t;
-
-/* Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
- thus exposed to user-space. */
-#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-/* A placeholder; CRIS does not have any fp regs. */
-typedef unsigned long elf_fpregset_t;
-
-/*
- * These are used to set parameters in the core dumps.
- */
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2LSB
-#define ELF_ARCH EM_CRIS
-
-#include <arch/elf.h>
-
-/* The master for these definitions is {binutils}/include/elf/cris.h: */
-/* User symbols in this file have a leading underscore. */
-#define EF_CRIS_UNDERSCORE 0x00000001
-
-/* This is a mask for different incompatible machine variants. */
-#define EF_CRIS_VARIANT_MASK 0x0000000e
-
-/* Variant 0; may contain v0..10 object. */
-#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000
-
-/* Variant 1; contains v32 object. */
-#define EF_CRIS_VARIANT_V32 0x00000002
-
-/* Variant 2; contains object compatible with v32 and v10. */
-#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004
-/* End of excerpt from {binutils}/include/elf/cris.h. */
-
-#define ELF_EXEC_PAGESIZE 8192
-
-/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
- use of this is to invoke "./ld.so someprog" to test out a new version of
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
-#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
-
-/* This yields a mask that user programs can use to figure out what
- instruction set this CPU supports. This could be done in user space,
- but it's not easy, and we've already done it here. */
-
-#define ELF_HWCAP (0)
-
-/* This yields a string that ld.so will use to load implementation
- specific libraries for optimization. This is more specific in
- intent than poking at uname or /proc/cpuinfo.
-*/
-
-#define ELF_PLATFORM (NULL)
-
-#endif
#define deactivate_mm(tsk,mm) do { } while (0)
-#define activate_mm(prev,next) switch_mm((prev),(next),NULL)
+static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ switch_mm(prev, next, NULL);
+ local_irq_restore(flags);
+}
/* current active pgd - this is similar to other processors pgd
* registers like cr3 on the i386
--- /dev/null
+#ifndef __CRIS_STACKTRACE_H
+#define __CRIS_STACKTRACE_H
+
+void walk_stackframe(unsigned long sp,
+ int (*fn)(unsigned long addr, void *data),
+ void *data);
+
+#endif
+++ /dev/null
-#ifndef _ETRAX_TYPES_H
-#define _ETRAX_TYPES_H
-
-#include <uapi/asm/types.h>
-
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-
-#define BITS_PER_LONG 32
-
-#endif
#include <uapi/asm/unistd.h>
-#define NR_syscalls 360
+#define NR_syscalls 365
#include <arch/unistd.h>
header-y += auxvec.h
header-y += bitsperlong.h
header-y += byteorder.h
+header-y += elf.h
+header-y += elf_v10.h
+header-y += elf_v32.h
header-y += errno.h
header-y += ethernet.h
header-y += etraxgpio.h
header-y += poll.h
header-y += posix_types.h
header-y += ptrace.h
+header-y += ptrace_v10.h
+header-y += ptrace_v32.h
header-y += resource.h
header-y += rs485.h
header-y += sembuf.h
+++ /dev/null
-#ifndef __ASMCRIS_AUXVEC_H
-#define __ASMCRIS_AUXVEC_H
-
-#endif
+++ /dev/null
-#include <asm-generic/bitsperlong.h>
--- /dev/null
+#ifndef __ASMCRIS_ELF_H
+#define __ASMCRIS_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#ifdef __arch_v32
+#include <asm/elf_v32.h>
+#else
+#include <asm/elf_v10.h>
+#endif
+
+#define R_CRIS_NONE 0
+#define R_CRIS_8 1
+#define R_CRIS_16 2
+#define R_CRIS_32 3
+#define R_CRIS_8_PCREL 4
+#define R_CRIS_16_PCREL 5
+#define R_CRIS_32_PCREL 6
+#define R_CRIS_GNU_VTINHERIT 7
+#define R_CRIS_GNU_VTENTRY 8
+#define R_CRIS_COPY 9
+#define R_CRIS_GLOB_DAT 10
+#define R_CRIS_JUMP_SLOT 11
+#define R_CRIS_RELATIVE 12
+#define R_CRIS_16_GOT 13
+#define R_CRIS_32_GOT 14
+#define R_CRIS_16_GOTPLT 15
+#define R_CRIS_32_GOTPLT 16
+#define R_CRIS_32_GOTREL 17
+#define R_CRIS_32_PLT_GOTREL 18
+#define R_CRIS_32_PLT_PCREL 19
+
+typedef unsigned long elf_greg_t;
+
+/* Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
+ thus exposed to user-space. */
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* A placeholder; CRIS does not have any fp regs. */
+typedef unsigned long elf_fpregset_t;
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS ELFCLASS32
+#define ELF_DATA ELFDATA2LSB
+#define ELF_ARCH EM_CRIS
+
+/* The master for these definitions is {binutils}/include/elf/cris.h: */
+/* User symbols in this file have a leading underscore. */
+#define EF_CRIS_UNDERSCORE 0x00000001
+
+/* This is a mask for different incompatible machine variants. */
+#define EF_CRIS_VARIANT_MASK 0x0000000e
+
+/* Variant 0; may contain v0..10 object. */
+#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000
+
+/* Variant 1; contains v32 object. */
+#define EF_CRIS_VARIANT_V32 0x00000002
+
+/* Variant 2; contains object compatible with v32 and v10. */
+#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004
+/* End of excerpt from {binutils}/include/elf/cris.h. */
+
+#define ELF_EXEC_PAGESIZE 8192
+
+/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
+ use of this is to invoke "./ld.so someprog" to test out a new version of
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
+
+/* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. This could be done in user space,
+ but it's not easy, and we've already done it here. */
+
+#define ELF_HWCAP (0)
+
+/* This yields a string that ld.so will use to load implementation
+ specific libraries for optimization. This is more specific in
+ intent than poking at uname or /proc/cpuinfo.
+*/
+
+#define ELF_PLATFORM (NULL)
+
+#endif
--- /dev/null
+#ifndef __ASMCRIS_ARCH_ELF_H
+#define __ASMCRIS_ARCH_ELF_H
+
+#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10
+
+/* Matches struct user_regs_struct */
+#define ELF_NGREG 35
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+ ((x)->e_machine == EM_CRIS \
+ && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \
+ || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+
+/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
+ starts (a register; assume first param register for CRIS)
+ contains a pointer to a function which might be
+ registered using `atexit'. This provides a mean for the
+ dynamic linker to call DT_FINI functions for shared libraries
+ that have been loaded before the code runs.
+
+ A value of 0 tells we have no such handler. */
+
+/* Explicitly set registers to 0 to increase determinism. */
+#define ELF_PLAT_INIT(_r, load_addr) do { \
+ (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
+ (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \
+ (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \
+ (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \
+} while (0)
+
+/* The additional layer below is because the stack pointer is missing in
+ the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t,
+ and should be filled in according to the layout of the user_regs_struct
+ struct; regs is a pt_regs struct. We dump all registers, though several are
+ obviously unnecessary. That way there's less need for intelligence at
+ the receiving end (i.e. gdb). */
+#define ELF_CORE_COPY_REGS(pr_reg, regs) \
+ pr_reg[0] = regs->r0; \
+ pr_reg[1] = regs->r1; \
+ pr_reg[2] = regs->r2; \
+ pr_reg[3] = regs->r3; \
+ pr_reg[4] = regs->r4; \
+ pr_reg[5] = regs->r5; \
+ pr_reg[6] = regs->r6; \
+ pr_reg[7] = regs->r7; \
+ pr_reg[8] = regs->r8; \
+ pr_reg[9] = regs->r9; \
+ pr_reg[10] = regs->r10; \
+ pr_reg[11] = regs->r11; \
+ pr_reg[12] = regs->r12; \
+ pr_reg[13] = regs->r13; \
+ pr_reg[14] = rdusp(); /* sp */ \
+ pr_reg[15] = regs->irp; /* pc */ \
+ pr_reg[16] = 0; /* p0 */ \
+ pr_reg[17] = rdvr(); /* vr */ \
+ pr_reg[18] = 0; /* p2 */ \
+ pr_reg[19] = 0; /* p3 */ \
+ pr_reg[20] = 0; /* p4 */ \
+ pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \
+ pr_reg[22] = 0; /* p6 */ \
+ pr_reg[23] = regs->mof; /* mof */ \
+ pr_reg[24] = 0; /* p8 */ \
+ pr_reg[25] = 0; /* ibr */ \
+ pr_reg[26] = 0; /* irp */ \
+ pr_reg[27] = regs->srp; /* srp */ \
+ pr_reg[28] = 0; /* bar */ \
+ pr_reg[29] = regs->dccr; /* dccr */ \
+ pr_reg[30] = 0; /* brp */ \
+ pr_reg[31] = rdusp(); /* usp */ \
+ pr_reg[32] = 0; /* csrinstr */ \
+ pr_reg[33] = 0; /* csraddr */ \
+ pr_reg[34] = 0; /* csrdata */
+
+
+#endif
--- /dev/null
+#ifndef _ASM_CRIS_ELF_H
+#define _ASM_CRIS_ELF_H
+
+#define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32
+
+/* Matches struct user_regs_struct */
+#define ELF_NGREG 32
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+ ((x)->e_machine == EM_CRIS \
+ && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_V32 \
+ || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
+
+/* CRISv32 ELF register definitions. */
+
+#include <asm/ptrace.h>
+
+/* Explicitly zero out registers to increase determinism. */
+#define ELF_PLAT_INIT(_r, load_addr) do { \
+ (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
+ (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \
+ (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \
+ (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \
+ (_r)->acr = 0; \
+} while (0)
+
+/*
+ * An executable for which elf_read_implies_exec() returns TRUE will
+ * have the READ_IMPLIES_EXEC personality flag set automatically.
+ */
+#define elf_read_implies_exec_binary(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack))
+
+/*
+ * This is basically a pt_regs with the additional definition
+ * of the stack pointer since it's needed in a core dump.
+ * pr_regs is a elf_gregset_t and should be filled according
+ * to the layout of user_regs_struct.
+ */
+#define ELF_CORE_COPY_REGS(pr_reg, regs) \
+ pr_reg[0] = regs->r0; \
+ pr_reg[1] = regs->r1; \
+ pr_reg[2] = regs->r2; \
+ pr_reg[3] = regs->r3; \
+ pr_reg[4] = regs->r4; \
+ pr_reg[5] = regs->r5; \
+ pr_reg[6] = regs->r6; \
+ pr_reg[7] = regs->r7; \
+ pr_reg[8] = regs->r8; \
+ pr_reg[9] = regs->r9; \
+ pr_reg[10] = regs->r10; \
+ pr_reg[11] = regs->r11; \
+ pr_reg[12] = regs->r12; \
+ pr_reg[13] = regs->r13; \
+ pr_reg[14] = rdusp(); /* SP */ \
+ pr_reg[15] = regs->acr; /* ACR */ \
+ pr_reg[16] = 0; /* BZ */ \
+ pr_reg[17] = rdvr(); /* VR */ \
+ pr_reg[18] = 0; /* PID */ \
+ pr_reg[19] = regs->srs; /* SRS */ \
+ pr_reg[20] = 0; /* WZ */ \
+ pr_reg[21] = regs->exs; /* EXS */ \
+ pr_reg[22] = regs->eda; /* EDA */ \
+ pr_reg[23] = regs->mof; /* MOF */ \
+ pr_reg[24] = 0; /* DZ */ \
+ pr_reg[25] = 0; /* EBP */ \
+ pr_reg[26] = regs->erp; /* ERP */ \
+ pr_reg[27] = regs->srp; /* SRP */ \
+ pr_reg[28] = 0; /* NRP */ \
+ pr_reg[29] = regs->ccs; /* CCS */ \
+ pr_reg[30] = rdusp(); /* USP */ \
+ pr_reg[31] = regs->spc; /* SPC */ \
+
+#endif /* _ASM_CRIS_ELF_H */
+++ /dev/null
-#ifndef _CRIS_ERRNO_H
-#define _CRIS_ERRNO_H
-
-#include <asm-generic/errno.h>
-
-#endif
+++ /dev/null
-#include <asm-generic/fcntl.h>
+++ /dev/null
-#include <asm-generic/ioctl.h>
+++ /dev/null
-#include <asm-generic/ipcbuf.h>
+++ /dev/null
-#include <asm-generic/kvm_para.h>
+++ /dev/null
-#include <asm-generic/mman.h>
+++ /dev/null
-#ifndef _CRIS_MSGBUF_H
-#define _CRIS_MSGBUF_H
-
-/* verbatim copy of asm-i386 version */
-
-/*
- * The msqid64_ds structure for CRIS architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
-
-struct msqid64_ds {
- struct ipc64_perm msg_perm;
- __kernel_time_t msg_stime; /* last msgsnd time */
- unsigned long __unused1;
- __kernel_time_t msg_rtime; /* last msgrcv time */
- unsigned long __unused2;
- __kernel_time_t msg_ctime; /* last change time */
- unsigned long __unused3;
- unsigned long msg_cbytes; /* current number of bytes on queue */
- unsigned long msg_qnum; /* number of messages in queue */
- unsigned long msg_qbytes; /* max number of bytes on queue */
- __kernel_pid_t msg_lspid; /* pid of last msgsnd */
- __kernel_pid_t msg_lrpid; /* last receive pid */
- unsigned long __unused4;
- unsigned long __unused5;
-};
-
-#endif /* _CRIS_MSGBUF_H */
+++ /dev/null
-#include <asm-generic/poll.h>
-#include <arch/ptrace.h>
+#ifdef __arch_v32
+#include <asm/ptrace_v32.h>
+#else
+#include <asm/ptrace_v10.h>
+#endif
--- /dev/null
+#ifndef _CRIS_ARCH_PTRACE_H
+#define _CRIS_ARCH_PTRACE_H
+
+/* Frame types */
+
+#define CRIS_FRAME_NORMAL 0 /* normal frame without SBFS stacking */
+#define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return
+ path */
+
+/* Register numbers in the ptrace system call interface */
+
+#define PT_FRAMETYPE 0
+#define PT_ORIG_R10 1
+#define PT_R13 2
+#define PT_R12 3
+#define PT_R11 4
+#define PT_R10 5
+#define PT_R9 6
+#define PT_R8 7
+#define PT_R7 8
+#define PT_R6 9
+#define PT_R5 10
+#define PT_R4 11
+#define PT_R3 12
+#define PT_R2 13
+#define PT_R1 14
+#define PT_R0 15
+#define PT_MOF 16
+#define PT_DCCR 17
+#define PT_SRP 18
+#define PT_IRP 19 /* This is actually the debugged process' PC */
+#define PT_CSRINSTR 20 /* CPU Status record remnants -
+ valid if frametype == busfault */
+#define PT_CSRADDR 21
+#define PT_CSRDATA 22
+#define PT_USP 23 /* special case - USP is not in the pt_regs */
+#define PT_MAX 23
+
+/* Condition code bit numbers. The same numbers apply to CCR of course,
+ but we use DCCR everywhere else, so let's try and be consistent. */
+#define C_DCCR_BITNR 0
+#define V_DCCR_BITNR 1
+#define Z_DCCR_BITNR 2
+#define N_DCCR_BITNR 3
+#define X_DCCR_BITNR 4
+#define I_DCCR_BITNR 5
+#define B_DCCR_BITNR 6
+#define M_DCCR_BITNR 7
+#define U_DCCR_BITNR 8
+#define P_DCCR_BITNR 9
+#define F_DCCR_BITNR 10
+
+/* pt_regs not only specifices the format in the user-struct during
+ * ptrace but is also the frame format used in the kernel prologue/epilogues
+ * themselves
+ */
+
+struct pt_regs {
+ unsigned long frametype; /* type of stackframe */
+ unsigned long orig_r10;
+ /* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */
+ unsigned long r13;
+ unsigned long r12;
+ unsigned long r11;
+ unsigned long r10;
+ unsigned long r9;
+ unsigned long r8;
+ unsigned long r7;
+ unsigned long r6;
+ unsigned long r5;
+ unsigned long r4;
+ unsigned long r3;
+ unsigned long r2;
+ unsigned long r1;
+ unsigned long r0;
+ unsigned long mof;
+ unsigned long dccr;
+ unsigned long srp;
+ unsigned long irp; /* This is actually the debugged process' PC */
+ unsigned long csrinstr;
+ unsigned long csraddr;
+ unsigned long csrdata;
+};
+
+/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
+ * when doing a context-switch. it is used (apart from in resume) when a new
+ * thread is made and we need to make _resume (which is starting it for the
+ * first time) realise what is going on.
+ *
+ * Actually, the use is very close to the thread struct (TSS) in that both the
+ * switch_stack and the TSS are used to keep thread stuff when switching in
+ * _resume.
+ */
+
+struct switch_stack {
+ unsigned long r9;
+ unsigned long r8;
+ unsigned long r7;
+ unsigned long r6;
+ unsigned long r5;
+ unsigned long r4;
+ unsigned long r3;
+ unsigned long r2;
+ unsigned long r1;
+ unsigned long r0;
+ unsigned long return_ip; /* ip that _resume will return to */
+};
+
+#ifdef __KERNEL__
+
+/* bit 8 is user-mode flag */
+#define user_mode(regs) (((regs)->dccr & 0x100) != 0)
+#define instruction_pointer(regs) ((regs)->irp)
+#define profile_pc(regs) instruction_pointer(regs)
+
+#endif /* __KERNEL__ */
+
+#endif
--- /dev/null
+#ifndef _CRIS_ARCH_PTRACE_H
+#define _CRIS_ARCH_PTRACE_H
+
+/* Register numbers in the ptrace system call interface */
+
+#define PT_ORIG_R10 0
+#define PT_R0 1
+#define PT_R1 2
+#define PT_R2 3
+#define PT_R3 4
+#define PT_R4 5
+#define PT_R5 6
+#define PT_R6 7
+#define PT_R7 8
+#define PT_R8 9
+#define PT_R9 10
+#define PT_R10 11
+#define PT_R11 12
+#define PT_R12 13
+#define PT_R13 14
+#define PT_ACR 15
+#define PT_SRS 16
+#define PT_MOF 17
+#define PT_SPC 18
+#define PT_CCS 19
+#define PT_SRP 20
+#define PT_ERP 21 /* This is actually the debugged process' PC */
+#define PT_EXS 22
+#define PT_EDA 23
+#define PT_USP 24 /* special case - USP is not in the pt_regs */
+#define PT_PPC 25 /* special case - pseudo PC */
+#define PT_BP 26 /* Base number for BP registers. */
+#define PT_BP_CTRL 26 /* BP control register. */
+#define PT_MAX 40
+
+/* Condition code bit numbers. */
+#define C_CCS_BITNR 0
+#define V_CCS_BITNR 1
+#define Z_CCS_BITNR 2
+#define N_CCS_BITNR 3
+#define X_CCS_BITNR 4
+#define I_CCS_BITNR 5
+#define U_CCS_BITNR 6
+#define P_CCS_BITNR 7
+#define R_CCS_BITNR 8
+#define S_CCS_BITNR 9
+#define M_CCS_BITNR 30
+#define Q_CCS_BITNR 31
+#define CCS_SHIFT 10 /* Shift count for each level in CCS */
+
+/* pt_regs not only specifices the format in the user-struct during
+ * ptrace but is also the frame format used in the kernel prologue/epilogues
+ * themselves
+ */
+
+struct pt_regs {
+ unsigned long orig_r10;
+ /* pushed by movem r13, [sp] in SAVE_ALL. */
+ unsigned long r0;
+ unsigned long r1;
+ unsigned long r2;
+ unsigned long r3;
+ unsigned long r4;
+ unsigned long r5;
+ unsigned long r6;
+ unsigned long r7;
+ unsigned long r8;
+ unsigned long r9;
+ unsigned long r10;
+ unsigned long r11;
+ unsigned long r12;
+ unsigned long r13;
+ unsigned long acr;
+ unsigned long srs;
+ unsigned long mof;
+ unsigned long spc;
+ unsigned long ccs;
+ unsigned long srp;
+ unsigned long erp; /* This is actually the debugged process' PC */
+ /* For debugging purposes; saved only when needed. */
+ unsigned long exs;
+ unsigned long eda;
+};
+
+/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
+ * when doing a context-switch. it is used (apart from in resume) when a new
+ * thread is made and we need to make _resume (which is starting it for the
+ * first time) realise what is going on.
+ *
+ * Actually, the use is very close to the thread struct (TSS) in that both the
+ * switch_stack and the TSS are used to keep thread stuff when switching in
+ * _resume.
+ */
+
+struct switch_stack {
+ unsigned long r0;
+ unsigned long r1;
+ unsigned long r2;
+ unsigned long r3;
+ unsigned long r4;
+ unsigned long r5;
+ unsigned long r6;
+ unsigned long r7;
+ unsigned long r8;
+ unsigned long r9;
+ unsigned long return_ip; /* ip that _resume will return to */
+};
+
+#ifdef __KERNEL__
+
+#define arch_has_single_step() (1)
+#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
+#define instruction_pointer(regs) ((regs)->erp)
+#define profile_pc(regs) instruction_pointer(regs)
+
+#endif /* __KERNEL__ */
+
+#endif
+++ /dev/null
-#ifndef _CRIS_RESOURCE_H
-#define _CRIS_RESOURCE_H
-
-#include <asm-generic/resource.h>
-
-#endif
+++ /dev/null
-#ifndef _CRIS_SEMBUF_H
-#define _CRIS_SEMBUF_H
-
-/*
- * The semid64_ds structure for CRIS architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
-
-struct semid64_ds {
- struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
- __kernel_time_t sem_otime; /* last semop time */
- unsigned long __unused1;
- __kernel_time_t sem_ctime; /* last change time */
- unsigned long __unused2;
- unsigned long sem_nsems; /* no. of semaphores in array */
- unsigned long __unused3;
- unsigned long __unused4;
-};
-
-#endif /* _CRIS_SEMBUF_H */
+++ /dev/null
-#ifndef _CRIS_SHMBUF_H
-#define _CRIS_SHMBUF_H
-
-/*
- * The shmid64_ds structure for CRIS architecture (same as for i386)
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
-
-struct shmid64_ds {
- struct ipc64_perm shm_perm; /* operation perms */
- size_t shm_segsz; /* size of segment (bytes) */
- __kernel_time_t shm_atime; /* last attach time */
- unsigned long __unused1;
- __kernel_time_t shm_dtime; /* last detach time */
- unsigned long __unused2;
- __kernel_time_t shm_ctime; /* last change time */
- unsigned long __unused3;
- __kernel_pid_t shm_cpid; /* pid of creator */
- __kernel_pid_t shm_lpid; /* pid of last operator */
- unsigned long shm_nattch; /* no. of current attaches */
- unsigned long __unused4;
- unsigned long __unused5;
-};
-
-struct shminfo64 {
- unsigned long shmmax;
- unsigned long shmmin;
- unsigned long shmmni;
- unsigned long shmseg;
- unsigned long shmall;
- unsigned long __unused1;
- unsigned long __unused2;
- unsigned long __unused3;
- unsigned long __unused4;
-};
-
-#endif /* _CRIS_SHMBUF_H */
+++ /dev/null
-#ifndef _CRIS_SIGINFO_H
-#define _CRIS_SIGINFO_H
-
-#include <asm-generic/siginfo.h>
-
-#endif
+++ /dev/null
-#ifndef _ASM_SOCKET_H
-#define _ASM_SOCKET_H
-
-/* almost the same as asm-i386/socket.h */
-
-#include <asm/sockios.h>
-
-/* For setsockoptions(2) */
-#define SOL_SOCKET 1
-
-#define SO_DEBUG 1
-#define SO_REUSEADDR 2
-#define SO_TYPE 3
-#define SO_ERROR 4
-#define SO_DONTROUTE 5
-#define SO_BROADCAST 6
-#define SO_SNDBUF 7
-#define SO_RCVBUF 8
-#define SO_SNDBUFFORCE 32
-#define SO_RCVBUFFORCE 33
-#define SO_KEEPALIVE 9
-#define SO_OOBINLINE 10
-#define SO_NO_CHECK 11
-#define SO_PRIORITY 12
-#define SO_LINGER 13
-#define SO_BSDCOMPAT 14
-#define SO_REUSEPORT 15
-#define SO_PASSCRED 16
-#define SO_PEERCRED 17
-#define SO_RCVLOWAT 18
-#define SO_SNDLOWAT 19
-#define SO_RCVTIMEO 20
-#define SO_SNDTIMEO 21
-
-/* Security levels - as per NRL IPv6 - don't actually do anything */
-#define SO_SECURITY_AUTHENTICATION 22
-#define SO_SECURITY_ENCRYPTION_TRANSPORT 23
-#define SO_SECURITY_ENCRYPTION_NETWORK 24
-
-#define SO_BINDTODEVICE 25
-
-/* Socket filtering */
-#define SO_ATTACH_FILTER 26
-#define SO_DETACH_FILTER 27
-#define SO_GET_FILTER SO_ATTACH_FILTER
-
-#define SO_PEERNAME 28
-#define SO_TIMESTAMP 29
-#define SCM_TIMESTAMP SO_TIMESTAMP
-
-#define SO_ACCEPTCONN 30
-
-#define SO_PEERSEC 31
-#define SO_PASSSEC 34
-#define SO_TIMESTAMPNS 35
-#define SCM_TIMESTAMPNS SO_TIMESTAMPNS
-
-#define SO_MARK 36
-
-#define SO_TIMESTAMPING 37
-#define SCM_TIMESTAMPING SO_TIMESTAMPING
-
-#define SO_PROTOCOL 38
-#define SO_DOMAIN 39
-
-#define SO_RXQ_OVFL 40
-
-#define SO_WIFI_STATUS 41
-#define SCM_WIFI_STATUS SO_WIFI_STATUS
-#define SO_PEEK_OFF 42
-
-/* Instruct lower device to use last 4-bytes of skb data as FCS */
-#define SO_NOFCS 43
-
-#define SO_LOCK_FILTER 44
-
-#define SO_SELECT_ERR_QUEUE 45
-
-#define SO_BUSY_POLL 46
-
-#define SO_MAX_PACING_RATE 47
-
-#define SO_BPF_EXTENSIONS 48
-
-#define SO_INCOMING_CPU 49
-
-#define SO_ATTACH_BPF 50
-#define SO_DETACH_BPF SO_DETACH_FILTER
-
-#endif /* _ASM_SOCKET_H */
-
-
+++ /dev/null
-#ifndef __ARCH_CRIS_SOCKIOS__
-#define __ARCH_CRIS_SOCKIOS__
-
-/* Socket-level I/O control calls. */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif
+++ /dev/null
-#ifndef _CRIS_STATFS_H
-#define _CRIS_STATFS_H
-
-#include <asm-generic/statfs.h>
-
-#endif
+++ /dev/null
-#include <asm-generic/int-ll64.h>
#define __NR_process_vm_writev 349
#define __NR_kcmp 350
#define __NR_finit_module 351
+#define __NR_sched_setattr 352
+#define __NR_sched_getattr 353
+#define __NR_renameat2 354
+#define __NR_seccomp 355
+#define __NR_getrandom 356
+#define __NR_memfd_create 357
+#define __NR_bpf 358
+#define __NR_execveat 359
#endif /* _UAPI_ASM_CRIS_UNISTD_H_ */
obj-y := process.o traps.o irq.o ptrace.o setup.o time.o sys_cris.o
obj-y += devicetree.o
+obj-y += stacktrace.o
obj-$(CONFIG_MODULES) += crisksyms.o
obj-$(CONFIG_MODULES) += module.o
asmlinkage void do_IRQ(int irq, struct pt_regs * regs)
{
unsigned long sp;
- struct pt_regs *old_regs = set_irq_regs(regs);
+ struct pt_regs *old_regs;
+
+ trace_hardirqs_off();
+
+ old_regs = set_irq_regs(regs);
irq_enter();
sp = rdsp();
if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
--- /dev/null
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+#include <linux/stacktrace.h>
+#include <asm/stacktrace.h>
+
+void walk_stackframe(unsigned long sp,
+ int (*fn)(unsigned long addr, void *data),
+ void *data)
+{
+ unsigned long high = ALIGN(sp, THREAD_SIZE);
+
+ for (; sp <= high - 4; sp += 4) {
+ unsigned long addr = *(unsigned long *) sp;
+
+ if (!kernel_text_address(addr))
+ continue;
+
+ if (fn(addr, data))
+ break;
+ }
+}
+
+struct stack_trace_data {
+ struct stack_trace *trace;
+ unsigned int no_sched_functions;
+ unsigned int skip;
+};
+
+#ifdef CONFIG_STACKTRACE
+
+static int save_trace(unsigned long addr, void *d)
+{
+ struct stack_trace_data *data = d;
+ struct stack_trace *trace = data->trace;
+
+ if (data->no_sched_functions && in_sched_functions(addr))
+ return 0;
+
+ if (data->skip) {
+ data->skip--;
+ return 0;
+ }
+
+ trace->entries[trace->nr_entries++] = addr;
+
+ return trace->nr_entries >= trace->max_entries;
+}
+
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+ struct stack_trace_data data;
+ unsigned long sp;
+
+ data.trace = trace;
+ data.skip = trace->skip;
+
+ if (tsk != current) {
+ data.no_sched_functions = 1;
+ sp = tsk->thread.ksp;
+ } else {
+ data.no_sched_functions = 0;
+ sp = rdsp();
+ }
+
+ walk_stackframe(sp, save_trace, &data);
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
+}
+
+void save_stack_trace(struct stack_trace *trace)
+{
+ save_stack_trace_tsk(current, trace);
+}
+EXPORT_SYMBOL_GPL(save_stack_trace);
+
+#endif /* CONFIG_STACKTRACE */
projects / linux-2.6-block.git / commitdiff