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2002-02-10 Chris Demetriou <cgd@broadcom.com> 

* callback.c: Fix some spelling errors.
        * hw-device.h: Likewise.
        * hw-tree.c: Likewise.
        * sim-abort.c: Likewise.
        * sim-alu.h: Likewise.
        * sim-core.h: Likewise.
        * sim-events.c: Likewise.
        * sim-events.h: Likewise.
        * sim-fpu.h: Likewise.
        * sim-profile.h: Likewise.
        * sim-utils.c: Likewise.
This commit is contained in:
Chris Demetriou 2002-02-10 23:11:37 +00:00
parent e55c0b759b
commit 6439295f61
12 changed files with 50 additions and 36 deletions
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14
sim/common/ChangeLog
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@ -1,3 +1,17 @@
2002-02-10 Chris Demetriou <cgd@broadcom.com>
* callback.c: Fix some spelling errors.
* hw-device.h: Likewise.
* hw-tree.c: Likewise.
* sim-abort.c: Likewise.
* sim-alu.h: Likewise.
* sim-core.h: Likewise.
* sim-events.c: Likewise.
* sim-events.h: Likewise.
* sim-fpu.h: Likewise.
* sim-profile.h: Likewise.
* sim-utils.c: Likewise.
2002-01-31 Hans-Peter Nilsson <hp@axis.com>
* cgen-ops.h (ADDCQI, ADDCFQI, ADDOFQI, SUBCQI, SUBCFQI, SUBOFQI):

2
sim/common/callback.c
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@ -726,7 +726,7 @@ store (p, size, val, big_p)
TS is ignored.
The result is the size of the target's stat struct,
or zero if an error occured during the translation. */
or zero if an error occurred during the translation. */
int
cb_host_to_target_stat (cb, hs, ts)

2
sim/common/hw-device.h
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@ -172,7 +172,7 @@ typedef unsigned (hw_reset_method)
node is described as the bus owner and is responisble for
co-ordinating bus operations. On the bus, a SPACE:ADDR pair is used
to specify an address. A device that is both a bus owner (parent)
and bus client (child) are refered to as a bridging device.
and bus client (child) are referred to as a bridging device.
A child performing a data (DMA) transfer will pass its request to
the bus owner (the devices parent). The bus owner will then either

2
sim/common/hw-tree.c
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@ -681,7 +681,7 @@ parse_string_property (struct hw *current,
/* copy it in */
if (*chp == '"')
{
/* a quoted string - watch for '\' et.al. */
/* a quoted string - watch for '\' et al. */
/* estimate the size and allocate space for it */
int pos;
chp++;

2
sim/common/sim-abort.c
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@ -28,7 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
jump right out of the simulator.
It is intended as a holder for simulators that have started to use
sim-core et.al. but are not yet in a position to use sim-engine
sim-core et al. but are not yet in a position to use sim-engine
(the setjmp/longjmp code). */

46
sim/common/sim-alu.h
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@ -36,7 +36,7 @@
Code using this module includes it into sim-main.h and then, as a
convention, defines macro's ALU*_END that records the result of any
aritmetic performed. Ex:
arithmetic performed. Ex:
#include "sim-alu.h"
#define ALU32_END(RES) \
@ -73,7 +73,7 @@
ALU*_RESULT: Generic ALU result output.
ALU*_HAD_OVERFLOW: Returns a nonzero value if signed overflow
occured.
occurred.
ALU*_OVERFLOW_RESULT: If the macro ALU*_HAD_OVERFLOW is being
used this is the most efficient result available. Ex:
@ -84,8 +84,8 @@
(RES) = ALU16_OVERFLOW_RESULT
ALU*_HAD_CARRY_BORROW: Returns a nonzero value if unsigned
overflow or underflow (also refered to as carry and borrow)
occured.
overflow or underflow (also referred to as carry and borrow)
occurred.
ALU*_CARRY_BORROW_RESULT: If the macro ALU*_HAD_CARRY_BORROW is being
used this is the most efficient result available. Ex:
@ -132,7 +132,7 @@
/* Twos complement aritmetic - addition/subtraction - carry/borrow
/* Twos complement arithmetic - addition/subtraction - carry/borrow
(or you thought you knew the answer to 0-0)
@ -154,9 +154,9 @@
UMAXn: The upper bound of an unsigned N bit value (the lower
bound is always zero).
Un: UMAXn + 1. Unsigned arrithmetic is computed `modulo (Un)'.
Un: UMAXn + 1. Unsigned arithmetic is computed `modulo (Un)'.
X[p]: Is bit P of X. X[0] denotes the least signifant bit.
X[p]: Is bit P of X. X[0] denotes the least significant bit.
~X[p]: Is the inversion of bit X[p]. Also equal to 1-X[p],
(1+X[p])mod(2).
@ -167,7 +167,7 @@
Overflow/Overflow indicates an error in computation of signed
arrithmetic. i.e. given X,Y in [MINn..MAXn]; overflow
arithmetic. i.e. given X,Y in [MINn..MAXn]; overflow
indicates that the result X+Y > MAXn or X+Y < MIN_INTx.
Hardware traditionally implements overflow by computing the XOR of
@ -179,7 +179,7 @@
Addition - Overflow - method 1:
Overflow occures when the sign (most significant bit) of the two N
Overflow occurs when the sign (most significant bit) of the two N
bit operands is identical but different to the sign of the result:
Rn = (Xn + Yn)
@ -191,7 +191,7 @@
The two N bit operands are sign extended to M>N bits and then
added. Overflow occures when SIGN_BIT<n> and SIGN_BIT<m> do not
added. Overflow occurs when SIGN_BIT<n> and SIGN_BIT<m> do not
match.
Rm = (SEXTn (Xn) + SEXTn (Yn))
@ -203,7 +203,7 @@
The two N bit operands are sign extended to M>N bits and then
added. Overflow occures when the result is outside of the sign
added. Overflow occurs when the result is outside of the sign
extended range [MINn .. MAXn].
@ -235,7 +235,7 @@
Addition - Carry - Introduction:
Carry (poorly named) indicates that an overflow occured for
Carry (poorly named) indicates that an overflow occurred for
unsigned N bit addition. i.e. given X, Y in [0..UMAXn] then
carry indicates X+Y > UMAXn or X+Y >= Un.
@ -293,7 +293,7 @@
Given two signed N bit numbers, a carry can be detected by treating
the numbers as N bit unsigned and adding them using M>N unsigned
arrithmetic. Carry is indicated by bit (1 << N) being set (result
arithmetic. Carry is indicated by bit (1 << N) being set (result
>= 2**N).
@ -314,29 +314,29 @@
0 <= X < Un, 0 <= Y < Un
==> X + Y < 2 Un
Consider Y when carry occures:
Consider Y when carry occurs:
X + Y >= Un, Y < Un
==> (Un - X) <= Y < Un # re-arange
==> (Un - X) <= Y < Un # rearrange
==> Un <= X + Y < Un + X < 2 Un # add Xn
==> 0 <= (X + Y) mod Un < X mod Un
or when carry as occured:
or when carry as occurred:
(X + Y) mod Un < X mod Un
Consider Y when carry does not occure:
Consider Y when carry does not occur:
X + Y < Un
have X < Un, Y >= 0
==> X <= X + Y < Un
==> X mod Un <= (X + Y) mod Un
or when carry has not occured:
or when carry has not occurred:
! ( (X + Y) mod Un < X mod Un)
hence we get carry by computing in N bit unsigned arrithmetic.
hence we get carry by computing in N bit unsigned arithmetic.
carry <- (Xn + Yn) < Xn
@ -360,7 +360,7 @@
==> X + ~Y + 1 # -Y = ~Y + 1
In addition to the result, the equation produces Carry-out. For
succeeding extended prrcision calculations, the more general
succeeding extended precision calculations, the more general
equation can be used:
C[p]:R[p] = X[p] + ~Y[p] + C[p-1]
@ -416,7 +416,7 @@
Treating Xn and Yn as unsigned values then a borrow (unsigned
underflow) occures when:
underflow) occurs when:
B = Xn < Yn
==> C = Xn >= Yn
@ -491,7 +491,7 @@ do { \
/* 32 bit target expressions:
Since most hosts do not support 64 (> 32) bit arrithmetic, carry
Since most hosts do not support 64 (> 32) bit arithmetic, carry
method 4 and overflow method 4 are used. */
#define ALU32_BEGIN(VAL) \
@ -518,7 +518,7 @@ alu32_v = 0
/* 64 bit target expressions:
Even though the host typically doesn't support native 64 bit
arrithmetic, it is still used. */
arithmetic, it is still used. */
#define ALU64_BEGIN(VAL) \
unsigned64 alu64_r = (VAL); \

4
sim/common/sim-core.h
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@ -167,7 +167,7 @@ extern void sim_core_detach
/* Variable sized read/write
Transfer a variable sized block of raw data between the host and
target. Should any problems occure, the number of bytes
target. Should any problems occur, the number of bytes
successfully transfered is returned.
No host/target byte endian conversion is performed. No xor-endian
@ -213,7 +213,7 @@ extern void sim_core_set_xor
/* XOR version of variable sized read/write.
Transfer a variable sized block of raw data between the host and
target. Should any problems occure, the number of bytes
target. Should any problems occur, the number of bytes
successfully transfered is returned.
No host/target byte endian conversion is performed. If applicable

6
sim/common/sim-events.c
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@ -37,7 +37,7 @@
#include <stdlib.h>
#endif
#include <signal.h> /* For SIGPROCMASK et.al. */
#include <signal.h> /* For SIGPROCMASK et al. */
typedef enum {
watch_invalid,
@ -112,7 +112,7 @@ struct _sim_event {
variables.
TIME_OF_EVENT: this holds the time at which the next event is ment
to occure. If no next event it will hold the time of the last
to occur. If no next event it will hold the time of the last
event.
TIME_FROM_EVENT: The current distance from TIME_OF_EVENT. A value
@ -447,7 +447,7 @@ insert_sim_event (SIM_DESC sd,
if (delta < 0)
sim_io_error (sd, "what is past is past!\n");
/* compute when the event should occure */
/* compute when the event should occur */
time_of_event = sim_events_time (sd) + delta;
/* find the queue insertion point - things are time ordered */

2
sim/common/sim-events.h
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@ -245,7 +245,7 @@ INLINE_SIM_EVENTS\
int slip);
/* Progress time such that an event shall occure upon the next call to
/* Progress time such that an event shall occur upon the next call to
sim_events tick */
#if 0

2
sim/common/sim-fpu.h
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@ -321,7 +321,7 @@ INLINE_SIM_FPU (int) sim_fpu_exp (const sim_fpu *s);
/* Specific comparison operators
For NaNs et.al., the comparison operators will set IS to zero and
For NaNs et al., the comparison operators will set IS to zero and
return a nonzero result. */
INLINE_SIM_FPU (int) sim_fpu_lt (int *is, const sim_fpu *l, const sim_fpu *r);

2
sim/common/sim-profile.h
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@ -96,7 +96,7 @@ SIM_RC sim_profile_set_option (SIM_DESC sd_, const char *name_, int idx_,
#define WITH_PROFILE_CORE_P (WITH_PROFILE & PROFILE_core)
/* If MAX_TARGET_MODES isn't defined, we can't do memory profiling.
??? It is intended that this is a temporary occurence. Normally
??? It is intended that this is a temporary occurrence. Normally
MAX_TARGET_MODES is defined. */
#ifndef MAX_TARGET_MODES
#undef WITH_PROFILE_MEMORY_P

2
sim/common/sim-utils.c
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@ -314,7 +314,7 @@ sim_elapsed_time_get ()
}
/* Return the elapsed time in milliseconds since START.
The actual time may be cpu usage (prefered) or wall clock. */
The actual time may be cpu usage (preferred) or wall clock. */
unsigned long
sim_elapsed_time_since (start)