--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_BYTEORDER_H
+#define _ASM_BYTEORDER_H
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+# define __BYTEORDER_HAS_U64__
+#endif
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_BYTEORDER_H */
--- /dev/null
+/*
+ * ELF definitions for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef __ASM_ELF_H
+#define __ASM_ELF_H
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+/*
+ * This should really be in linux/elf-em.h.
+ */
+#define EM_HEXAGON 164 /* QUALCOMM Hexagon */
+
+struct elf32_hdr;
+
+/*
+ * ELF header e_flags defines.
+ */
+
+/* should have stuff like "CPU type" and maybe "ABI version", etc */
+
+/* Hexagon relocations */
+ /* V2 */
+#define R_HEXAGON_NONE 0
+#define R_HEXAGON_B22_PCREL 1
+#define R_HEXAGON_B15_PCREL 2
+#define R_HEXAGON_B7_PCREL 3
+#define R_HEXAGON_LO16 4
+#define R_HEXAGON_HI16 5
+#define R_HEXAGON_32 6
+#define R_HEXAGON_16 7
+#define R_HEXAGON_8 8
+#define R_HEXAGON_GPREL16_0 9
+#define R_HEXAGON_GPREL16_1 10
+#define R_HEXAGON_GPREL16_2 11
+#define R_HEXAGON_GPREL16_3 12
+#define R_HEXAGON_HL16 13
+ /* V3 */
+#define R_HEXAGON_B13_PCREL 14
+ /* V4 */
+#define R_HEXAGON_B9_PCREL 15
+ /* V4 (extenders) */
+#define R_HEXAGON_B32_PCREL_X 16
+#define R_HEXAGON_32_6_X 17
+ /* V4 (extended) */
+#define R_HEXAGON_B22_PCREL_X 18
+#define R_HEXAGON_B15_PCREL_X 19
+#define R_HEXAGON_B13_PCREL_X 20
+#define R_HEXAGON_B9_PCREL_X 21
+#define R_HEXAGON_B7_PCREL_X 22
+#define R_HEXAGON_16_X 23
+#define R_HEXAGON_12_X 24
+#define R_HEXAGON_11_X 25
+#define R_HEXAGON_10_X 26
+#define R_HEXAGON_9_X 27
+#define R_HEXAGON_8_X 28
+#define R_HEXAGON_7_X 29
+#define R_HEXAGON_6_X 30
+ /* V2 PIC */
+#define R_HEXAGON_32_PCREL 31
+#define R_HEXAGON_COPY 32
+#define R_HEXAGON_GLOB_DAT 33
+#define R_HEXAGON_JMP_SLOT 34
+#define R_HEXAGON_RELATIVE 35
+#define R_HEXAGON_PLT_B22_PCREL 36
+#define R_HEXAGON_GOTOFF_LO16 37
+#define R_HEXAGON_GOTOFF_HI16 38
+#define R_HEXAGON_GOTOFF_32 39
+#define R_HEXAGON_GOT_LO16 40
+#define R_HEXAGON_GOT_HI16 41
+#define R_HEXAGON_GOT_32 42
+#define R_HEXAGON_GOT_16 43
+
+/*
+ * ELF register definitions..
+ */
+typedef unsigned long elf_greg_t;
+
+typedef struct user_regs_struct elf_gregset_t;
+#define ELF_NGREG (sizeof(elf_gregset_t)/sizeof(unsigned long))
+
+/* Placeholder */
+typedef unsigned long elf_fpregset_t;
+
+/*
+ * Bypass the whole "regsets" thing for now and use the define.
+ */
+
+#define ELF_CORE_COPY_REGS(DEST, REGS) \
+do { \
+ DEST.r0 = REGS->r00; \
+ DEST.r1 = REGS->r01; \
+ DEST.r2 = REGS->r02; \
+ DEST.r3 = REGS->r03; \
+ DEST.r4 = REGS->r04; \
+ DEST.r5 = REGS->r05; \
+ DEST.r6 = REGS->r06; \
+ DEST.r7 = REGS->r07; \
+ DEST.r8 = REGS->r08; \
+ DEST.r9 = REGS->r09; \
+ DEST.r10 = REGS->r10; \
+ DEST.r11 = REGS->r11; \
+ DEST.r12 = REGS->r12; \
+ DEST.r13 = REGS->r13; \
+ DEST.r14 = REGS->r14; \
+ DEST.r15 = REGS->r15; \
+ DEST.r16 = REGS->r16; \
+ DEST.r17 = REGS->r17; \
+ DEST.r18 = REGS->r18; \
+ DEST.r19 = REGS->r19; \
+ DEST.r20 = REGS->r20; \
+ DEST.r21 = REGS->r21; \
+ DEST.r22 = REGS->r22; \
+ DEST.r23 = REGS->r23; \
+ DEST.r24 = REGS->r24; \
+ DEST.r25 = REGS->r25; \
+ DEST.r26 = REGS->r26; \
+ DEST.r27 = REGS->r27; \
+ DEST.r28 = REGS->r28; \
+ DEST.r29 = pt_psp(REGS); \
+ DEST.r30 = REGS->r30; \
+ DEST.r31 = REGS->r31; \
+ DEST.sa0 = REGS->sa0; \
+ DEST.lc0 = REGS->lc0; \
+ DEST.sa1 = REGS->sa1; \
+ DEST.lc1 = REGS->lc1; \
+ DEST.m0 = REGS->m0; \
+ DEST.m1 = REGS->m1; \
+ DEST.usr = REGS->usr; \
+ DEST.p3_0 = REGS->preds; \
+ DEST.gp = REGS->gp; \
+ DEST.ugp = REGS->ugp; \
+ DEST.pc = pt_elr(REGS); \
+ DEST.cause = pt_cause(REGS); \
+ DEST.badva = pt_badva(REGS); \
+} while (0);
+
+
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ * Checks the machine and ABI type.
+ */
+#define elf_check_arch(hdr) ((hdr)->e_machine == EM_HEXAGON)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS ELFCLASS32
+#define ELF_DATA ELFDATA2LSB
+#define ELF_ARCH EM_HEXAGON
+
+#ifdef CONFIG_HEXAGON_ARCH_V2
+#define ELF_CORE_EFLAGS 0x1
+#endif
+
+#ifdef CONFIG_HEXAGON_ARCH_V3
+#define ELF_CORE_EFLAGS 0x2
+#endif
+
+#ifdef CONFIG_HEXAGON_ARCH_V4
+#define ELF_CORE_EFLAGS 0x3
+#endif
+
+/*
+ * Some architectures have ld.so set up a pointer to a function
+ * to be registered using atexit, to facilitate cleanup. So that
+ * static executables will be well-behaved, we would null the register
+ * in question here, in the pt_regs structure passed. For now,
+ * leave it a null macro.
+ */
+#define ELF_PLAT_INIT(regs, load_addr) do { } while (0)
+
+#define USE_ELF_CORE_DUMP
+#define CORE_DUMP_USE_REGSET
+
+/* Hrm is this going to cause problems for changing PAGE_SIZE? */
+#define ELF_EXEC_PAGESIZE 4096
+
+/*
+ * 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 0x08000000UL
+
+/*
+ * This yields a mask that user programs can use to figure out what
+ * instruction set this cpu supports.
+ */
+#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)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
+#endif
+
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+struct linux_binprm;
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+ int uses_interp);
+
+
+#endif
--- /dev/null
+/*
+ * If the FPU is used inside the kernel,
+ * kernel_fpu_end() will be defined here.
+ */
--- /dev/null
+#ifndef _ASM_HEXAGON_FUTEX_H
+#define _ASM_HEXAGON_FUTEX_H
+
+#ifdef __KERNEL__
+
+#include <linux/futex.h>
+#include <linux/uaccess.h>
+#include <asm/errno.h>
+
+/* XXX TODO-- need to add sync barriers! */
+
+#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
+ __asm__ __volatile( \
+ "1: %0 = memw_locked(%3);\n" \
+ /* For example: %1 = %4 */ \
+ insn \
+ "2: memw_locked(%3,p2) = %1;\n" \
+ " if !p2 jump 1b;\n" \
+ " %1 = #0;\n" \
+ "3:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "4: %1 = #%5;\n" \
+ " jump 3b\n" \
+ ".previous\n" \
+ ".section __ex_table,\"a\"\n" \
+ ".long 1b,4b,2b,4b\n" \
+ ".previous\n" \
+ : "=&r" (oldval), "=&r" (ret), "+m" (*uaddr) \
+ : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \
+ : "p2", "memory")
+
+
+static inline int
+futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
+{
+ int op = (encoded_op >> 28) & 7;
+ int cmp = (encoded_op >> 24) & 15;
+ int oparg = (encoded_op << 8) >> 20;
+ int cmparg = (encoded_op << 20) >> 20;
+ int oldval = 0, ret;
+ if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+ oparg = 1 << oparg;
+
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ pagefault_disable();
+
+ switch (op) {
+ case FUTEX_OP_SET:
+ __futex_atomic_op("%1 = %4\n", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_ADD:
+ __futex_atomic_op("%1 = add(%0,%4)\n", ret, oldval, uaddr,
+ oparg);
+ break;
+ case FUTEX_OP_OR:
+ __futex_atomic_op("%1 = or(%0,%4)\n", ret, oldval, uaddr,
+ oparg);
+ break;
+ case FUTEX_OP_ANDN:
+ __futex_atomic_op("%1 = not(%4); %1 = and(%0,%1)\n", ret,
+ oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_XOR:
+ __futex_atomic_op("%1 = xor(%0,%4)\n", ret, oldval, uaddr,
+ oparg);
+ break;
+ default:
+ ret = -ENOSYS;
+ }
+
+ pagefault_enable();
+
+ if (!ret) {
+ switch (cmp) {
+ case FUTEX_OP_CMP_EQ:
+ ret = (oldval == cmparg);
+ break;
+ case FUTEX_OP_CMP_NE:
+ ret = (oldval != cmparg);
+ break;
+ case FUTEX_OP_CMP_LT:
+ ret = (oldval < cmparg);
+ break;
+ case FUTEX_OP_CMP_GE:
+ ret = (oldval >= cmparg);
+ break;
+ case FUTEX_OP_CMP_LE:
+ ret = (oldval <= cmparg);
+ break;
+ case FUTEX_OP_CMP_GT:
+ ret = (oldval > cmparg);
+ break;
+ default:
+ ret = -ENOSYS;
+ }
+ }
+ return ret;
+}
+
+static inline int
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval,
+ u32 newval)
+{
+ int prev;
+ int ret;
+
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ return -EFAULT;
+
+ __asm__ __volatile__ (
+ "1: %1 = memw_locked(%3)\n"
+ " {\n"
+ " p2 = cmp.eq(%1,%4)\n"
+ " if !p2.new jump:NT 3f\n"
+ " }\n"
+ "2: memw_locked(%3,p2) = %5\n"
+ " if !p2 jump 1b\n"
+ "3:\n"
+ ".section .fixup,\"ax\"\n"
+ "4: %0 = #%6\n"
+ " jump 3b\n"
+ ".previous\n"
+ ".section __ex_table,\"a\"\n"
+ ".long 1b,4b,2b,4b\n"
+ ".previous\n"
+ : "+r" (ret), "=&r" (prev), "+m" (*uaddr)
+ : "r" (uaddr), "r" (oldval), "r" (newval), "i"(-EFAULT)
+ : "p2", "memory");
+
+ *uval = prev;
+ return ret;
+}
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_HEXAGON_FUTEX_H */
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#define __ALIGN .align 4
+#define __ALIGN_STR ".align 4"
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_MODULE_H
+#define _ASM_MODULE_H
+
+#include <asm-generic/module.h>
+
+#define MODULE_ARCH_VERMAGIC __stringify(PROCESSOR_MODEL_NAME) " "
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_PARAM_H
+#define _ASM_PARAM_H
+
+#define EXEC_PAGESIZE 16384
+
+#include <asm-generic/param.h>
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_PERF_EVENT_H
+#define _ASM_PERF_EVENT_H
+
+#define PERF_EVENT_INDEX_OFFSET 0
+
+#endif /* _ASM_PERF_EVENT_H */
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_STRING_H_
+#define _ASM_STRING_H_
+
+#ifdef __KERNEL__
+#define __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+
+/* ToDo: use dczeroa, accelerate the compiler-constant zero case */
+#define __HAVE_ARCH_MEMSET
+extern void *memset(void *__to, int c, size_t __n);
+#endif
+
+
+#endif /* _ASM_STRING_H_ */
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_SUSPEND_H
+#define _ASM_SUSPEND_H
+
+static inline int arch_prepare_suspend(void)
+{
+ return 0;
+}
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_SWAB_H
+#define _ASM_SWAB_H
+
+#define __SWAB_64_THRU_32__
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_TIMEX_H
+#define _ASM_TIMEX_H
+
+#include <asm-generic/timex.h>
+#include <asm/timer-regs.h>
+
+/* Using TCX0 as our clock. CLOCK_TICK_RATE scheduled to be removed. */
+#define CLOCK_TICK_RATE TCX0_CLK_RATE
+
+#define ARCH_HAS_READ_CURRENT_TIMER
+
+static inline int read_current_timer(unsigned long *timer_val)
+{
+ *timer_val = (unsigned long) __vmgettime();
+ return 0;
+}
+
+#endif
projects / platform / kernel / linux-starfive.git / commitdiff