Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 233 deletions

diff --git a/ANDROID_3.4.5/arch/microblaze/kernel/ftrace.c b/ANDROID_3.4.5/arch/microblaze/kernel/ftrace.c
deleted file mode 100644
index 357d56ab..00000000
--- a/ANDROID_3.4.5/arch/microblaze/kernel/ftrace.c
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- * Ftrace support for Microblaze.
- *
- * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
- * Copyright (C) 2009 PetaLogix
- *
- * Based on MIPS and PowerPC ftrace code
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <asm/cacheflush.h>
-#include <linux/ftrace.h>
-
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-/*
- * Hook the return address and push it in the stack of return addrs
- * in current thread info.
- */
-void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
-{
-	unsigned long old;
-	int faulted, err;
-	struct ftrace_graph_ent trace;
-	unsigned long return_hooker = (unsigned long)
-				&return_to_handler;
-
-	if (unlikely(atomic_read(&current->tracing_graph_pause)))
-		return;
-
-	/*
-	 * Protect against fault, even if it shouldn't
-	 * happen. This tool is too much intrusive to
-	 * ignore such a protection.
-	 */
-	asm volatile("	1:	lwi	%0, %2, 0;		\
-			2:	swi	%3, %2, 0;		\
-				addik	%1, r0, 0;		\
-			3:					\
-				.section .fixup, \"ax\";	\
-			4:	brid	3b;			\
-				addik	%1, r0, 1;		\
-				.previous;			\
-				.section __ex_table,\"a\";	\
-				.word	1b,4b;			\
-				.word	2b,4b;			\
-				.previous;"			\
-			: "=&r" (old), "=r" (faulted)
-			: "r" (parent), "r" (return_hooker)
-	);
-
-	flush_dcache_range((u32)parent, (u32)parent + 4);
-	flush_icache_range((u32)parent, (u32)parent + 4);
-
-	if (unlikely(faulted)) {
-		ftrace_graph_stop();
-		WARN_ON(1);
-		return;
-	}
-
-	err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0);
-	if (err == -EBUSY) {
-		*parent = old;
-		return;
-	}
-
-	trace.func = self_addr;
-	/* Only trace if the calling function expects to */
-	if (!ftrace_graph_entry(&trace)) {
-		current->curr_ret_stack--;
-		*parent = old;
-	}
-}
-#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
-
-#ifdef CONFIG_DYNAMIC_FTRACE
-/* save value to addr - it is save to do it in asm */
-static int ftrace_modify_code(unsigned long addr, unsigned int value)
-{
-	int faulted = 0;
-
-	__asm__ __volatile__("	1:	swi	%2, %1, 0;		\
-					addik	%0, r0, 0;		\
-				2:					\
-					.section .fixup, \"ax\";	\
-				3:	brid	2b;			\
-					addik	%0, r0, 1;		\
-					.previous;			\
-					.section __ex_table,\"a\";	\
-					.word	1b,3b;			\
-					.previous;"			\
-				: "=r" (faulted)
-				: "r" (addr), "r" (value)
-	);
-
-	if (unlikely(faulted))
-		return -EFAULT;
-
-	flush_dcache_range(addr, addr + 4);
-	flush_icache_range(addr, addr + 4);
-
-	return 0;
-}
-
-#define MICROBLAZE_NOP 0x80000000
-#define MICROBLAZE_BRI 0xb800000C
-
-static unsigned int recorded; /* if save was or not */
-static unsigned int imm; /* saving whole imm instruction */
-
-/* There are two approaches howto solve ftrace_make nop function - look below */
-#undef USE_FTRACE_NOP
-
-#ifdef USE_FTRACE_NOP
-static unsigned int bralid; /* saving whole bralid instruction */
-#endif
-
-int ftrace_make_nop(struct module *mod,
-			struct dyn_ftrace *rec, unsigned long addr)
-{
-	/* we have this part of code which we are working with
-	 * b000c000        imm     -16384
-	 * b9fc8e30        bralid  r15, -29136     // c0008e30 <_mcount>
-	 * 80000000        or      r0, r0, r0
-	 *
-	 * The first solution (!USE_FTRACE_NOP-could be called branch solution)
-	 * b000c000        bri	12 (0xC - jump to any other instruction)
-	 * b9fc8e30        bralid  r15, -29136     // c0008e30 <_mcount>
-	 * 80000000        or      r0, r0, r0
-	 * any other instruction
-	 *
-	 * The second solution (USE_FTRACE_NOP) - no jump just nops
-	 * 80000000        or      r0, r0, r0
-	 * 80000000        or      r0, r0, r0
-	 * 80000000        or      r0, r0, r0
-	 */
-	int ret = 0;
-
-	if (recorded == 0) {
-		recorded = 1;
-		imm = *(unsigned int *)rec->ip;
-		pr_debug("%s: imm:0x%x\n", __func__, imm);
-#ifdef USE_FTRACE_NOP
-		bralid = *(unsigned int *)(rec->ip + 4);
-		pr_debug("%s: bralid 0x%x\n", __func__, bralid);
-#endif /* USE_FTRACE_NOP */
-	}
-
-#ifdef USE_FTRACE_NOP
-	ret = ftrace_modify_code(rec->ip, MICROBLAZE_NOP);
-	ret += ftrace_modify_code(rec->ip + 4, MICROBLAZE_NOP);
-#else /* USE_FTRACE_NOP */
-	ret = ftrace_modify_code(rec->ip, MICROBLAZE_BRI);
-#endif /* USE_FTRACE_NOP */
-	return ret;
-}
-
-/* I believe that first is called ftrace_make_nop before this function */
-int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
-{
-	int ret;
-	pr_debug("%s: addr:0x%x, rec->ip: 0x%x, imm:0x%x\n",
-		__func__, (unsigned int)addr, (unsigned int)rec->ip, imm);
-	ret = ftrace_modify_code(rec->ip, imm);
-#ifdef USE_FTRACE_NOP
-	pr_debug("%s: bralid:0x%x\n", __func__, bralid);
-	ret += ftrace_modify_code(rec->ip + 4, bralid);
-#endif /* USE_FTRACE_NOP */
-	return ret;
-}
-
-int __init ftrace_dyn_arch_init(void *data)
-{
-	/* The return code is retured via data */
-	*(unsigned long *)data = 0;
-
-	return 0;
-}
-
-int ftrace_update_ftrace_func(ftrace_func_t func)
-{
-	unsigned long ip = (unsigned long)(&ftrace_call);
-	unsigned int upper = (unsigned int)func;
-	unsigned int lower = (unsigned int)func;
-	int ret = 0;
-
-	/* create proper saving to ftrace_call poll */
-	upper = 0xb0000000 + (upper >> 16); /* imm func_upper */
-	lower = 0x32800000 + (lower & 0xFFFF); /* addik r20, r0, func_lower */
-
-	pr_debug("%s: func=0x%x, ip=0x%x, upper=0x%x, lower=0x%x\n",
-		__func__, (unsigned int)func, (unsigned int)ip, upper, lower);
-
-	/* save upper and lower code */
-	ret = ftrace_modify_code(ip, upper);
-	ret += ftrace_modify_code(ip + 4, lower);
-
-	/* We just need to replace the rtsd r15, 8 with NOP */
-	ret += ftrace_modify_code((unsigned long)&ftrace_caller,
-				  MICROBLAZE_NOP);
-
-	return ret;
-}
-
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-unsigned int old_jump; /* saving place for jump instruction */
-
-int ftrace_enable_ftrace_graph_caller(void)
-{
-	unsigned int ret;
-	unsigned long ip = (unsigned long)(&ftrace_call_graph);
-
-	old_jump = *(unsigned int *)ip; /* save jump over instruction */
-	ret = ftrace_modify_code(ip, MICROBLAZE_NOP);
-
-	pr_debug("%s: Replace instruction: 0x%x\n", __func__, old_jump);
-	return ret;
-}
-
-int ftrace_disable_ftrace_graph_caller(void)
-{
-	unsigned int ret;
-	unsigned long ip = (unsigned long)(&ftrace_call_graph);
-
-	ret = ftrace_modify_code(ip, old_jump);
-
-	pr_debug("%s\n", __func__);
-	return ret;
-}
-#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
-#endif /* CONFIG_DYNAMIC_FTRACE */