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, 689 deletions

diff --git a/ANDROID_3.4.5/arch/x86/math-emu/errors.c b/ANDROID_3.4.5/arch/x86/math-emu/errors.c
deleted file mode 100644
index 59d353d2..00000000
--- a/ANDROID_3.4.5/arch/x86/math-emu/errors.c
+++ /dev/null
@@ -1,689 +0,0 @@
-/*---------------------------------------------------------------------------+
- |  errors.c                                                                 |
- |                                                                           |
- |  The error handling functions for wm-FPU-emu                              |
- |                                                                           |
- | Copyright (C) 1992,1993,1994,1996                                         |
- |                  W. Metzenthen, 22 Parker St, Ormond, Vic 3163, Australia |
- |                  E-mail   billm@jacobi.maths.monash.edu.au                |
- |                                                                           |
- |                                                                           |
- +---------------------------------------------------------------------------*/
-
-/*---------------------------------------------------------------------------+
- | Note:                                                                     |
- |    The file contains code which accesses user memory.                     |
- |    Emulator static data may change when user memory is accessed, due to   |
- |    other processes using the emulator while swapping is in progress.      |
- +---------------------------------------------------------------------------*/
-
-#include <linux/signal.h>
-
-#include <asm/uaccess.h>
-
-#include "fpu_emu.h"
-#include "fpu_system.h"
-#include "exception.h"
-#include "status_w.h"
-#include "control_w.h"
-#include "reg_constant.h"
-#include "version.h"
-
-/* */
-#undef PRINT_MESSAGES
-/* */
-
-#if 0
-void Un_impl(void)
-{
-	u_char byte1, FPU_modrm;
-	unsigned long address = FPU_ORIG_EIP;
-
-	RE_ENTRANT_CHECK_OFF;
-	/* No need to check access_ok(), we have previously fetched these bytes. */
-	printk("Unimplemented FPU Opcode at eip=%p : ", (void __user *)address);
-	if (FPU_CS == __USER_CS) {
-		while (1) {
-			FPU_get_user(byte1, (u_char __user *) address);
-			if ((byte1 & 0xf8) == 0xd8)
-				break;
-			printk("[%02x]", byte1);
-			address++;
-		}
-		printk("%02x ", byte1);
-		FPU_get_user(FPU_modrm, 1 + (u_char __user *) address);
-
-		if (FPU_modrm >= 0300)
-			printk("%02x (%02x+%d)\n", FPU_modrm, FPU_modrm & 0xf8,
-			       FPU_modrm & 7);
-		else
-			printk("/%d\n", (FPU_modrm >> 3) & 7);
-	} else {
-		printk("cs selector = %04x\n", FPU_CS);
-	}
-
-	RE_ENTRANT_CHECK_ON;
-
-	EXCEPTION(EX_Invalid);
-
-}
-#endif /*  0  */
-
-/*
-   Called for opcodes which are illegal and which are known to result in a
-   SIGILL with a real 80486.
-   */
-void FPU_illegal(void)
-{
-	math_abort(FPU_info, SIGILL);
-}
-
-void FPU_printall(void)
-{
-	int i;
-	static const char *tag_desc[] = { "Valid", "Zero", "ERROR", "Empty",
-		"DeNorm", "Inf", "NaN"
-	};
-	u_char byte1, FPU_modrm;
-	unsigned long address = FPU_ORIG_EIP;
-
-	RE_ENTRANT_CHECK_OFF;
-	/* No need to check access_ok(), we have previously fetched these bytes. */
-	printk("At %p:", (void *)address);
-	if (FPU_CS == __USER_CS) {
-#define MAX_PRINTED_BYTES 20
-		for (i = 0; i < MAX_PRINTED_BYTES; i++) {
-			FPU_get_user(byte1, (u_char __user *) address);
-			if ((byte1 & 0xf8) == 0xd8) {
-				printk(" %02x", byte1);
-				break;
-			}
-			printk(" [%02x]", byte1);
-			address++;
-		}
-		if (i == MAX_PRINTED_BYTES)
-			printk(" [more..]\n");
-		else {
-			FPU_get_user(FPU_modrm, 1 + (u_char __user *) address);
-
-			if (FPU_modrm >= 0300)
-				printk(" %02x (%02x+%d)\n", FPU_modrm,
-				       FPU_modrm & 0xf8, FPU_modrm & 7);
-			else
-				printk(" /%d, mod=%d rm=%d\n",
-				       (FPU_modrm >> 3) & 7,
-				       (FPU_modrm >> 6) & 3, FPU_modrm & 7);
-		}
-	} else {
-		printk("%04x\n", FPU_CS);
-	}
-
-	partial_status = status_word();
-
-#ifdef DEBUGGING
-	if (partial_status & SW_Backward)
-		printk("SW: backward compatibility\n");
-	if (partial_status & SW_C3)
-		printk("SW: condition bit 3\n");
-	if (partial_status & SW_C2)
-		printk("SW: condition bit 2\n");
-	if (partial_status & SW_C1)
-		printk("SW: condition bit 1\n");
-	if (partial_status & SW_C0)
-		printk("SW: condition bit 0\n");
-	if (partial_status & SW_Summary)
-		printk("SW: exception summary\n");
-	if (partial_status & SW_Stack_Fault)
-		printk("SW: stack fault\n");
-	if (partial_status & SW_Precision)
-		printk("SW: loss of precision\n");
-	if (partial_status & SW_Underflow)
-		printk("SW: underflow\n");
-	if (partial_status & SW_Overflow)
-		printk("SW: overflow\n");
-	if (partial_status & SW_Zero_Div)
-		printk("SW: divide by zero\n");
-	if (partial_status & SW_Denorm_Op)
-		printk("SW: denormalized operand\n");
-	if (partial_status & SW_Invalid)
-		printk("SW: invalid operation\n");
-#endif /* DEBUGGING */
-
-	printk(" SW: b=%d st=%d es=%d sf=%d cc=%d%d%d%d ef=%d%d%d%d%d%d\n", partial_status & 0x8000 ? 1 : 0,	/* busy */
-	       (partial_status & 0x3800) >> 11,	/* stack top pointer */
-	       partial_status & 0x80 ? 1 : 0,	/* Error summary status */
-	       partial_status & 0x40 ? 1 : 0,	/* Stack flag */
-	       partial_status & SW_C3 ? 1 : 0, partial_status & SW_C2 ? 1 : 0,	/* cc */
-	       partial_status & SW_C1 ? 1 : 0, partial_status & SW_C0 ? 1 : 0,	/* cc */
-	       partial_status & SW_Precision ? 1 : 0,
-	       partial_status & SW_Underflow ? 1 : 0,
-	       partial_status & SW_Overflow ? 1 : 0,
-	       partial_status & SW_Zero_Div ? 1 : 0,
-	       partial_status & SW_Denorm_Op ? 1 : 0,
-	       partial_status & SW_Invalid ? 1 : 0);
-
-	printk(" CW: ic=%d rc=%d%d pc=%d%d iem=%d     ef=%d%d%d%d%d%d\n",
-	       control_word & 0x1000 ? 1 : 0,
-	       (control_word & 0x800) >> 11, (control_word & 0x400) >> 10,
-	       (control_word & 0x200) >> 9, (control_word & 0x100) >> 8,
-	       control_word & 0x80 ? 1 : 0,
-	       control_word & SW_Precision ? 1 : 0,
-	       control_word & SW_Underflow ? 1 : 0,
-	       control_word & SW_Overflow ? 1 : 0,
-	       control_word & SW_Zero_Div ? 1 : 0,
-	       control_word & SW_Denorm_Op ? 1 : 0,
-	       control_word & SW_Invalid ? 1 : 0);
-
-	for (i = 0; i < 8; i++) {
-		FPU_REG *r = &st(i);
-		u_char tagi = FPU_gettagi(i);
-		switch (tagi) {
-		case TAG_Empty:
-			continue;
-			break;
-		case TAG_Zero:
-		case TAG_Special:
-			tagi = FPU_Special(r);
-		case TAG_Valid:
-			printk("st(%d)  %c .%04lx %04lx %04lx %04lx e%+-6d ", i,
-			       getsign(r) ? '-' : '+',
-			       (long)(r->sigh >> 16),
-			       (long)(r->sigh & 0xFFFF),
-			       (long)(r->sigl >> 16),
-			       (long)(r->sigl & 0xFFFF),
-			       exponent(r) - EXP_BIAS + 1);
-			break;
-		default:
-			printk("Whoops! Error in errors.c: tag%d is %d ", i,
-			       tagi);
-			continue;
-			break;
-		}
-		printk("%s\n", tag_desc[(int)(unsigned)tagi]);
-	}
-
-	RE_ENTRANT_CHECK_ON;
-
-}
-
-static struct {
-	int type;
-	const char *name;
-} exception_names[] = {
-	{
-	EX_StackOver, "stack overflow"}, {
-	EX_StackUnder, "stack underflow"}, {
-	EX_Precision, "loss of precision"}, {
-	EX_Underflow, "underflow"}, {
-	EX_Overflow, "overflow"}, {
-	EX_ZeroDiv, "divide by zero"}, {
-	EX_Denormal, "denormalized operand"}, {
-	EX_Invalid, "invalid operation"}, {
-	EX_INTERNAL, "INTERNAL BUG in " FPU_VERSION}, {
-	0, NULL}
-};
-
-/*
- EX_INTERNAL is always given with a code which indicates where the
- error was detected.
-
- Internal error types:
-       0x14   in fpu_etc.c
-       0x1nn  in a *.c file:
-              0x101  in reg_add_sub.c
-              0x102  in reg_mul.c
-              0x104  in poly_atan.c
-              0x105  in reg_mul.c
-              0x107  in fpu_trig.c
-	      0x108  in reg_compare.c
-	      0x109  in reg_compare.c
-	      0x110  in reg_add_sub.c
-	      0x111  in fpe_entry.c
-	      0x112  in fpu_trig.c
-	      0x113  in errors.c
-	      0x115  in fpu_trig.c
-	      0x116  in fpu_trig.c
-	      0x117  in fpu_trig.c
-	      0x118  in fpu_trig.c
-	      0x119  in fpu_trig.c
-	      0x120  in poly_atan.c
-	      0x121  in reg_compare.c
-	      0x122  in reg_compare.c
-	      0x123  in reg_compare.c
-	      0x125  in fpu_trig.c
-	      0x126  in fpu_entry.c
-	      0x127  in poly_2xm1.c
-	      0x128  in fpu_entry.c
-	      0x129  in fpu_entry.c
-	      0x130  in get_address.c
-	      0x131  in get_address.c
-	      0x132  in get_address.c
-	      0x133  in get_address.c
-	      0x140  in load_store.c
-	      0x141  in load_store.c
-              0x150  in poly_sin.c
-              0x151  in poly_sin.c
-	      0x160  in reg_ld_str.c
-	      0x161  in reg_ld_str.c
-	      0x162  in reg_ld_str.c
-	      0x163  in reg_ld_str.c
-	      0x164  in reg_ld_str.c
-	      0x170  in fpu_tags.c
-	      0x171  in fpu_tags.c
-	      0x172  in fpu_tags.c
-	      0x180  in reg_convert.c
-       0x2nn  in an *.S file:
-              0x201  in reg_u_add.S
-              0x202  in reg_u_div.S
-              0x203  in reg_u_div.S
-              0x204  in reg_u_div.S
-              0x205  in reg_u_mul.S
-              0x206  in reg_u_sub.S
-              0x207  in wm_sqrt.S
-	      0x208  in reg_div.S
-              0x209  in reg_u_sub.S
-              0x210  in reg_u_sub.S
-              0x211  in reg_u_sub.S
-              0x212  in reg_u_sub.S
-	      0x213  in wm_sqrt.S
-	      0x214  in wm_sqrt.S
-	      0x215  in wm_sqrt.S
-	      0x220  in reg_norm.S
-	      0x221  in reg_norm.S
-	      0x230  in reg_round.S
-	      0x231  in reg_round.S
-	      0x232  in reg_round.S
-	      0x233  in reg_round.S
-	      0x234  in reg_round.S
-	      0x235  in reg_round.S
-	      0x236  in reg_round.S
-	      0x240  in div_Xsig.S
-	      0x241  in div_Xsig.S
-	      0x242  in div_Xsig.S
- */
-
-asmlinkage void FPU_exception(int n)
-{
-	int i, int_type;
-
-	int_type = 0;		/* Needed only to stop compiler warnings */
-	if (n & EX_INTERNAL) {
-		int_type = n - EX_INTERNAL;
-		n = EX_INTERNAL;
-		/* Set lots of exception bits! */
-		partial_status |= (SW_Exc_Mask | SW_Summary | SW_Backward);
-	} else {
-		/* Extract only the bits which we use to set the status word */
-		n &= (SW_Exc_Mask);
-		/* Set the corresponding exception bit */
-		partial_status |= n;
-		/* Set summary bits iff exception isn't masked */
-		if (partial_status & ~control_word & CW_Exceptions)
-			partial_status |= (SW_Summary | SW_Backward);
-		if (n & (SW_Stack_Fault | EX_Precision)) {
-			if (!(n & SW_C1))
-				/* This bit distinguishes over- from underflow for a stack fault,
-				   and roundup from round-down for precision loss. */
-				partial_status &= ~SW_C1;
-		}
-	}
-
-	RE_ENTRANT_CHECK_OFF;
-	if ((~control_word & n & CW_Exceptions) || (n == EX_INTERNAL)) {
-#ifdef PRINT_MESSAGES
-		/* My message from the sponsor */
-		printk(FPU_VERSION " " __DATE__ " (C) W. Metzenthen.\n");
-#endif /* PRINT_MESSAGES */
-
-		/* Get a name string for error reporting */
-		for (i = 0; exception_names[i].type; i++)
-			if ((exception_names[i].type & n) ==
-			    exception_names[i].type)
-				break;
-
-		if (exception_names[i].type) {
-#ifdef PRINT_MESSAGES
-			printk("FP Exception: %s!\n", exception_names[i].name);
-#endif /* PRINT_MESSAGES */
-		} else
-			printk("FPU emulator: Unknown Exception: 0x%04x!\n", n);
-
-		if (n == EX_INTERNAL) {
-			printk("FPU emulator: Internal error type 0x%04x\n",
-			       int_type);
-			FPU_printall();
-		}
-#ifdef PRINT_MESSAGES
-		else
-			FPU_printall();
-#endif /* PRINT_MESSAGES */
-
-		/*
-		 * The 80486 generates an interrupt on the next non-control FPU
-		 * instruction. So we need some means of flagging it.
-		 * We use the ES (Error Summary) bit for this.
-		 */
-	}
-	RE_ENTRANT_CHECK_ON;
-
-#ifdef __DEBUG__
-	math_abort(FPU_info, SIGFPE);
-#endif /* __DEBUG__ */
-
-}
-
-/* Real operation attempted on a NaN. */
-/* Returns < 0 if the exception is unmasked */
-int real_1op_NaN(FPU_REG *a)
-{
-	int signalling, isNaN;
-
-	isNaN = (exponent(a) == EXP_OVER) && (a->sigh & 0x80000000);
-
-	/* The default result for the case of two "equal" NaNs (signs may
-	   differ) is chosen to reproduce 80486 behaviour */
-	signalling = isNaN && !(a->sigh & 0x40000000);
-
-	if (!signalling) {
-		if (!isNaN) {	/* pseudo-NaN, or other unsupported? */
-			if (control_word & CW_Invalid) {
-				/* Masked response */
-				reg_copy(&CONST_QNaN, a);
-			}
-			EXCEPTION(EX_Invalid);
-			return (!(control_word & CW_Invalid) ? FPU_Exception :
-				0) | TAG_Special;
-		}
-		return TAG_Special;
-	}
-
-	if (control_word & CW_Invalid) {
-		/* The masked response */
-		if (!(a->sigh & 0x80000000)) {	/* pseudo-NaN ? */
-			reg_copy(&CONST_QNaN, a);
-		}
-		/* ensure a Quiet NaN */
-		a->sigh |= 0x40000000;
-	}
-
-	EXCEPTION(EX_Invalid);
-
-	return (!(control_word & CW_Invalid) ? FPU_Exception : 0) | TAG_Special;
-}
-
-/* Real operation attempted on two operands, one a NaN. */
-/* Returns < 0 if the exception is unmasked */
-int real_2op_NaN(FPU_REG const *b, u_char tagb,
-		 int deststnr, FPU_REG const *defaultNaN)
-{
-	FPU_REG *dest = &st(deststnr);
-	FPU_REG const *a = dest;
-	u_char taga = FPU_gettagi(deststnr);
-	FPU_REG const *x;
-	int signalling, unsupported;
-
-	if (taga == TAG_Special)
-		taga = FPU_Special(a);
-	if (tagb == TAG_Special)
-		tagb = FPU_Special(b);
-
-	/* TW_NaN is also used for unsupported data types. */
-	unsupported = ((taga == TW_NaN)
-		       && !((exponent(a) == EXP_OVER)
-			    && (a->sigh & 0x80000000)))
-	    || ((tagb == TW_NaN)
-		&& !((exponent(b) == EXP_OVER) && (b->sigh & 0x80000000)));
-	if (unsupported) {
-		if (control_word & CW_Invalid) {
-			/* Masked response */
-			FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
-		}
-		EXCEPTION(EX_Invalid);
-		return (!(control_word & CW_Invalid) ? FPU_Exception : 0) |
-		    TAG_Special;
-	}
-
-	if (taga == TW_NaN) {
-		x = a;
-		if (tagb == TW_NaN) {
-			signalling = !(a->sigh & b->sigh & 0x40000000);
-			if (significand(b) > significand(a))
-				x = b;
-			else if (significand(b) == significand(a)) {
-				/* The default result for the case of two "equal" NaNs (signs may
-				   differ) is chosen to reproduce 80486 behaviour */
-				x = defaultNaN;
-			}
-		} else {
-			/* return the quiet version of the NaN in a */
-			signalling = !(a->sigh & 0x40000000);
-		}
-	} else
-#ifdef PARANOID
-	if (tagb == TW_NaN)
-#endif /* PARANOID */
-	{
-		signalling = !(b->sigh & 0x40000000);
-		x = b;
-	}
-#ifdef PARANOID
-	else {
-		signalling = 0;
-		EXCEPTION(EX_INTERNAL | 0x113);
-		x = &CONST_QNaN;
-	}
-#endif /* PARANOID */
-
-	if ((!signalling) || (control_word & CW_Invalid)) {
-		if (!x)
-			x = b;
-
-		if (!(x->sigh & 0x80000000))	/* pseudo-NaN ? */
-			x = &CONST_QNaN;
-
-		FPU_copy_to_regi(x, TAG_Special, deststnr);
-
-		if (!signalling)
-			return TAG_Special;
-
-		/* ensure a Quiet NaN */
-		dest->sigh |= 0x40000000;
-	}
-
-	EXCEPTION(EX_Invalid);
-
-	return (!(control_word & CW_Invalid) ? FPU_Exception : 0) | TAG_Special;
-}
-
-/* Invalid arith operation on Valid registers */
-/* Returns < 0 if the exception is unmasked */
-asmlinkage int arith_invalid(int deststnr)
-{
-
-	EXCEPTION(EX_Invalid);
-
-	if (control_word & CW_Invalid) {
-		/* The masked response */
-		FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
-	}
-
-	return (!(control_word & CW_Invalid) ? FPU_Exception : 0) | TAG_Valid;
-
-}
-
-/* Divide a finite number by zero */
-asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign)
-{
-	FPU_REG *dest = &st(deststnr);
-	int tag = TAG_Valid;
-
-	if (control_word & CW_ZeroDiv) {
-		/* The masked response */
-		FPU_copy_to_regi(&CONST_INF, TAG_Special, deststnr);
-		setsign(dest, sign);
-		tag = TAG_Special;
-	}
-
-	EXCEPTION(EX_ZeroDiv);
-
-	return (!(control_word & CW_ZeroDiv) ? FPU_Exception : 0) | tag;
-
-}
-
-/* This may be called often, so keep it lean */
-int set_precision_flag(int flags)
-{
-	if (control_word & CW_Precision) {
-		partial_status &= ~(SW_C1 & flags);
-		partial_status |= flags;	/* The masked response */
-		return 0;
-	} else {
-		EXCEPTION(flags);
-		return 1;
-	}
-}
-
-/* This may be called often, so keep it lean */
-asmlinkage void set_precision_flag_up(void)
-{
-	if (control_word & CW_Precision)
-		partial_status |= (SW_Precision | SW_C1);	/* The masked response */
-	else
-		EXCEPTION(EX_Precision | SW_C1);
-}
-
-/* This may be called often, so keep it lean */
-asmlinkage void set_precision_flag_down(void)
-{
-	if (control_word & CW_Precision) {	/* The masked response */
-		partial_status &= ~SW_C1;
-		partial_status |= SW_Precision;
-	} else
-		EXCEPTION(EX_Precision);
-}
-
-asmlinkage int denormal_operand(void)
-{
-	if (control_word & CW_Denormal) {	/* The masked response */
-		partial_status |= SW_Denorm_Op;
-		return TAG_Special;
-	} else {
-		EXCEPTION(EX_Denormal);
-		return TAG_Special | FPU_Exception;
-	}
-}
-
-asmlinkage int arith_overflow(FPU_REG *dest)
-{
-	int tag = TAG_Valid;
-
-	if (control_word & CW_Overflow) {
-		/* The masked response */
-/* ###### The response here depends upon the rounding mode */
-		reg_copy(&CONST_INF, dest);
-		tag = TAG_Special;
-	} else {
-		/* Subtract the magic number from the exponent */
-		addexponent(dest, (-3 * (1 << 13)));
-	}
-
-	EXCEPTION(EX_Overflow);
-	if (control_word & CW_Overflow) {
-		/* The overflow exception is masked. */
-		/* By definition, precision is lost.
-		   The roundup bit (C1) is also set because we have
-		   "rounded" upwards to Infinity. */
-		EXCEPTION(EX_Precision | SW_C1);
-		return tag;
-	}
-
-	return tag;
-
-}
-
-asmlinkage int arith_underflow(FPU_REG *dest)
-{
-	int tag = TAG_Valid;
-
-	if (control_word & CW_Underflow) {
-		/* The masked response */
-		if (exponent16(dest) <= EXP_UNDER - 63) {
-			reg_copy(&CONST_Z, dest);
-			partial_status &= ~SW_C1;	/* Round down. */
-			tag = TAG_Zero;
-		} else {
-			stdexp(dest);
-		}
-	} else {
-		/* Add the magic number to the exponent. */
-		addexponent(dest, (3 * (1 << 13)) + EXTENDED_Ebias);
-	}
-
-	EXCEPTION(EX_Underflow);
-	if (control_word & CW_Underflow) {
-		/* The underflow exception is masked. */
-		EXCEPTION(EX_Precision);
-		return tag;
-	}
-
-	return tag;
-
-}
-
-void FPU_stack_overflow(void)
-{
-
-	if (control_word & CW_Invalid) {
-		/* The masked response */
-		top--;
-		FPU_copy_to_reg0(&CONST_QNaN, TAG_Special);
-	}
-
-	EXCEPTION(EX_StackOver);
-
-	return;
-
-}
-
-void FPU_stack_underflow(void)
-{
-
-	if (control_word & CW_Invalid) {
-		/* The masked response */
-		FPU_copy_to_reg0(&CONST_QNaN, TAG_Special);
-	}
-
-	EXCEPTION(EX_StackUnder);
-
-	return;
-
-}
-
-void FPU_stack_underflow_i(int i)
-{
-
-	if (control_word & CW_Invalid) {
-		/* The masked response */
-		FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
-	}
-
-	EXCEPTION(EX_StackUnder);
-
-	return;
-
-}
-
-void FPU_stack_underflow_pop(int i)
-{
-
-	if (control_word & CW_Invalid) {
-		/* The masked response */
-		FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
-		FPU_pop();
-	}
-
-	EXCEPTION(EX_StackUnder);
-
-	return;
-
-}