Merge branch 'arch-frv' into no-rebases

13 files changed, 560 insertions, 0 deletions

diff --git a/arch/hexagon/include/uapi/asm/Kbuild b/arch/hexagon/include/uapi/asm/Kbuild
index baebb3da1d44..c31706c38631 100644
--- a/arch/hexagon/include/uapi/asm/Kbuild
+++ b/arch/hexagon/include/uapi/asm/Kbuild
@@ -1,3 +1,15 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+header-y += bitsperlong.h
+header-y += byteorder.h
+header-y += kvm_para.h
+header-y += param.h
+header-y += ptrace.h
+header-y += registers.h
+header-y += setup.h
+header-y += sigcontext.h
+header-y += signal.h
+header-y += swab.h
+header-y += unistd.h
+header-y += user.h
diff --git a/arch/hexagon/include/uapi/asm/bitsperlong.h b/arch/hexagon/include/uapi/asm/bitsperlong.h
new file mode 100644
index 000000000000..4a658151383d
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/bitsperlong.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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_HEXAGON_BITSPERLONG_H
+#define __ASM_HEXAGON_BITSPERLONG_H
+
+#define __BITS_PER_LONG 32
+
+#include <asm-generic/bitsperlong.h>
+
+#endif
diff --git a/arch/hexagon/include/uapi/asm/byteorder.h b/arch/hexagon/include/uapi/asm/byteorder.h
new file mode 100644
index 000000000000..e31f3f7d9a45
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/byteorder.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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 */
diff --git a/arch/hexagon/include/uapi/asm/kvm_para.h b/arch/hexagon/include/uapi/asm/kvm_para.h
new file mode 100644
index 000000000000..14fab8f0b957
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/kvm_para.h
@@ -0,0 +1 @@
+#include <asm-generic/kvm_para.h>
diff --git a/arch/hexagon/include/uapi/asm/param.h b/arch/hexagon/include/uapi/asm/param.h
new file mode 100644
index 000000000000..5cec8c0417fb
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/param.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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
diff --git a/arch/hexagon/include/uapi/asm/ptrace.h b/arch/hexagon/include/uapi/asm/ptrace.h
new file mode 100644
index 000000000000..1ffce0c6ee07
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/ptrace.h
@@ -0,0 +1,39 @@
+/*
+ * Ptrace definitions for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. 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_PTRACE_H
+#define _ASM_PTRACE_H
+
+#include <asm/registers.h>
+
+#define instruction_pointer(regs) pt_elr(regs)
+#define user_stack_pointer(regs) ((regs)->r29)
+
+#define profile_pc(regs) instruction_pointer(regs)
+
+/* kprobe-based event tracer support */
+extern int regs_query_register_offset(const char *name);
+extern const char *regs_query_register_name(unsigned int offset);
+
+#define current_pt_regs() \
+        ((struct pt_regs *) \
+         ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
+
+#endif
diff --git a/arch/hexagon/include/uapi/asm/registers.h b/arch/hexagon/include/uapi/asm/registers.h
new file mode 100644
index 000000000000..c20406f63b5c
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/registers.h
@@ -0,0 +1,221 @@
+/*
+ * Register definitions for the Hexagon architecture
+ */
+
+
+#ifndef _ASM_REGISTERS_H
+#define _ASM_REGISTERS_H
+
+#define SP r29
+
+#ifndef __ASSEMBLY__
+
+/*  See kernel/entry.S for further documentation.  */
+
+/*
+ * Entry code copies the event record out of guest registers into
+ * this structure (which is on the stack).
+ */
+
+struct hvm_event_record {
+        unsigned long vmel;     /* Event Linkage (return address) */
+        unsigned long vmest;    /* Event context - pre-event SSR values */
+        unsigned long vmpsp;    /* Previous stack pointer */
+        unsigned long vmbadva;  /* Bad virtual address for addressing events */
+};
+
+struct pt_regs {
+        long restart_r0;        /* R0 checkpoint for syscall restart */
+        long syscall_nr;        /* Only used in system calls */
+        union {
+                struct {
+                        unsigned long usr;
+                        unsigned long preds;
+                };
+                long long int predsusr;
+        };
+        union {
+                struct {
+                        unsigned long m0;
+                        unsigned long m1;
+                };
+                long long int m1m0;
+        };
+        union {
+                struct {
+                        unsigned long sa1;
+                        unsigned long lc1;
+                };
+                long long int lc1sa1;
+        };
+        union {
+                struct {
+                        unsigned long sa0;
+                        unsigned long lc0;
+                };
+                long long int lc0sa0;
+        };
+        union {
+                struct {
+                        unsigned long gp;
+                        unsigned long ugp;
+                };
+                long long int ugpgp;
+        };
+        /*
+        * Be extremely careful with rearranging these, if at all.  Some code
+        * assumes the 32 registers exist exactly like this in memory;
+        * e.g. kernel/ptrace.c
+        * e.g. kernel/signal.c (restore_sigcontext)
+        */
+        union {
+                struct {
+                        unsigned long r00;
+                        unsigned long r01;
+                };
+                long long int r0100;
+        };
+        union {
+                struct {
+                        unsigned long r02;
+                        unsigned long r03;
+                };
+                long long int r0302;
+        };
+        union {
+                struct {
+                        unsigned long r04;
+                        unsigned long r05;
+                };
+                long long int r0504;
+        };
+        union {
+                struct {
+                        unsigned long r06;
+                        unsigned long r07;
+                };
+                long long int r0706;
+        };
+        union {
+                struct {
+                        unsigned long r08;
+                        unsigned long r09;
+                };
+                long long int r0908;
+        };
+        union {
+               struct {
+                        unsigned long r10;
+                        unsigned long r11;
+               };
+               long long int r1110;
+        };
+        union {
+               struct {
+                        unsigned long r12;
+                        unsigned long r13;
+               };
+               long long int r1312;
+        };
+        union {
+               struct {
+                        unsigned long r14;
+                        unsigned long r15;
+               };
+               long long int r1514;
+        };
+        union {
+                struct {
+                        unsigned long r16;
+                        unsigned long r17;
+                };
+                long long int r1716;
+        };
+        union {
+                struct {
+                        unsigned long r18;
+                        unsigned long r19;
+                };
+                long long int r1918;
+        };
+        union {
+                struct {
+                        unsigned long r20;
+                        unsigned long r21;
+                };
+                long long int r2120;
+        };
+        union {
+                struct {
+                        unsigned long r22;
+                        unsigned long r23;
+                };
+                long long int r2322;
+        };
+        union {
+                struct {
+                        unsigned long r24;
+                        unsigned long r25;
+                };
+                long long int r2524;
+        };
+        union {
+                struct {
+                        unsigned long r26;
+                        unsigned long r27;
+                };
+                long long int r2726;
+        };
+        union {
+                struct {
+                        unsigned long r28;
+                        unsigned long r29;
+               };
+               long long int r2928;
+        };
+        union {
+                struct {
+                        unsigned long r30;
+                        unsigned long r31;
+                };
+                long long int r3130;
+        };
+        /* VM dispatch pushes event record onto stack - we can build on it */
+        struct hvm_event_record hvmer;
+};
+
+/* Defines to conveniently access the values  */
+
+/*
+ * As of the VM spec 0.5, these registers are now set/retrieved via a
+ * VM call.  On the in-bound side, we just fetch the values
+ * at the entry points and stuff them into the old record in pt_regs.
+ * However, on the outbound side, probably at VM rte, we set the
+ * registers back.
+ */
+
+#define pt_elr(regs) ((regs)->hvmer.vmel)
+#define pt_set_elr(regs, val) ((regs)->hvmer.vmel = (val))
+#define pt_cause(regs) ((regs)->hvmer.vmest & (HVM_VMEST_CAUSE_MSK))
+#define user_mode(regs) \
+        (((regs)->hvmer.vmest & (HVM_VMEST_UM_MSK << HVM_VMEST_UM_SFT)) != 0)
+#define ints_enabled(regs) \
+        (((regs)->hvmer.vmest & (HVM_VMEST_IE_MSK << HVM_VMEST_IE_SFT)) != 0)
+#define pt_psp(regs) ((regs)->hvmer.vmpsp)
+#define pt_badva(regs) ((regs)->hvmer.vmbadva)
+
+#define pt_set_rte_sp(regs, sp) do {\
+        pt_psp(regs) = (sp);\
+        (regs)->SP = (unsigned long) &((regs)->hvmer);\
+        } while (0)
+
+#define pt_set_kmode(regs) \
+        (regs)->hvmer.vmest = (HVM_VMEST_IE_MSK << HVM_VMEST_IE_SFT)
+
+#define pt_set_usermode(regs) \
+        (regs)->hvmer.vmest = (HVM_VMEST_UM_MSK << HVM_VMEST_UM_SFT) \
+                            | (HVM_VMEST_IE_MSK << HVM_VMEST_IE_SFT)
+
+#endif  /*  ifndef __ASSEMBLY  */
+
+#endif
diff --git a/arch/hexagon/include/uapi/asm/setup.h b/arch/hexagon/include/uapi/asm/setup.h
new file mode 100644
index 000000000000..e48285e4af96
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/setup.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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_SETUP_H
+#define _ASM_SETUP_H
+
+#include <linux/init.h>
+#include <asm-generic/setup.h>
+
+extern char external_cmdline_buffer;
+
+void __init setup_arch_memory(void);
+
+#endif
diff --git a/arch/hexagon/include/uapi/asm/sigcontext.h b/arch/hexagon/include/uapi/asm/sigcontext.h
new file mode 100644
index 000000000000..b6ba5369ccc6
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/sigcontext.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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_SIGCONTEXT_H
+#define _ASM_SIGCONTEXT_H
+
+#include <asm/user.h>
+
+/*
+ * Signal context structure - contains all info to do with the state
+ * before the signal handler was invoked.  Note: only add new entries
+ * to the end of the structure.
+ */
+struct sigcontext {
+        struct user_regs_struct sc_regs;
+} __aligned(8);
+
+#endif
diff --git a/arch/hexagon/include/uapi/asm/signal.h b/arch/hexagon/include/uapi/asm/signal.h
new file mode 100644
index 000000000000..939556817d34
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/signal.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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_SIGNAL_H
+#define _ASM_SIGNAL_H
+
+extern unsigned long __rt_sigtramp_template[2];
+
+#include <asm-generic/signal.h>
+
+#endif
diff --git a/arch/hexagon/include/uapi/asm/swab.h b/arch/hexagon/include/uapi/asm/swab.h
new file mode 100644
index 000000000000..9069e9247a2e
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/swab.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. 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
diff --git a/arch/hexagon/include/uapi/asm/unistd.h b/arch/hexagon/include/uapi/asm/unistd.h
new file mode 100644
index 000000000000..26b2e0f909c8
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/unistd.h
@@ -0,0 +1,32 @@
+/*
+ * Syscall support for Hexagon
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. 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.
+ */
+
+/*
+ *  The kernel pulls this unistd.h in three different ways:
+ *  1.  the "normal" way which gets all the __NR defines
+ *  2.  with __SYSCALL defined to produce function declarations
+ *  3.  with __SYSCALL defined to produce syscall table initialization
+ *  See also:  syscalltab.c
+ */
+
+#define sys_mmap2 sys_mmap_pgoff
+#define __ARCH_WANT_SYS_EXECVE
+
+#include <asm-generic/unistd.h>
diff --git a/arch/hexagon/include/uapi/asm/user.h b/arch/hexagon/include/uapi/asm/user.h
new file mode 100644
index 000000000000..cef13ee1413f
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/user.h
@@ -0,0 +1,63 @@
+#ifndef HEXAGON_ASM_USER_H
+#define HEXAGON_ASM_USER_H
+
+/*
+ * Layout for registers passed in elf core dumps to userspace.
+ *
+ * Basically a rearranged subset of "pt_regs".
+ *
+ * Interested parties:  libc, gdb...
+ */
+
+struct user_regs_struct {
+        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 r14;
+        unsigned long r15;
+        unsigned long r16;
+        unsigned long r17;
+        unsigned long r18;
+        unsigned long r19;
+        unsigned long r20;
+        unsigned long r21;
+        unsigned long r22;
+        unsigned long r23;
+        unsigned long r24;
+        unsigned long r25;
+        unsigned long r26;
+        unsigned long r27;
+        unsigned long r28;
+        unsigned long r29;
+        unsigned long r30;
+        unsigned long r31;
+        unsigned long sa0;
+        unsigned long lc0;
+        unsigned long sa1;
+        unsigned long lc1;
+        unsigned long m0;
+        unsigned long m1;
+        unsigned long usr;
+        unsigned long p3_0;
+        unsigned long gp;
+        unsigned long ugp;
+        unsigned long pc;
+        unsigned long cause;
+        unsigned long badva;
+        unsigned long pad1;  /* pad out to 48 words total */
+        unsigned long pad2;  /* pad out to 48 words total */
+        unsigned long pad3;  /* pad out to 48 words total */
+};
+
+#endif