From ff5fef1428dafc8f73e1f5d63966ef5c9bd8c420 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antoine=20C=C5=93ur?= <coeur@gmx.fr>
Date: Wed, 6 Feb 2019 23:39:35 +0800
Subject: ArmPkg: Fix various typos

Fix various typos in ArmPkg.

Signed-off-by: Coeur <coeur@gmx.fr>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c   |  2 +-
 .../ArmDisassemblerLib/Aarch64Disassembler.c       |  2 +-
 .../Library/ArmDisassemblerLib/ArmDisassembler.c   |  4 +--
 .../Library/ArmDisassemblerLib/ThumbDisassembler.c | 14 +++++-----
 .../Library/ArmExceptionLib/Arm/ExceptionSupport.S |  2 +-
 .../ArmExceptionLib/Arm/ExceptionSupport.asm       |  2 +-
 ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.c   |  4 +--
 ArmPkg/Library/ArmLib/AArch64/AArch64Support.S     |  6 ++--
 ArmPkg/Library/ArmLib/AArch64/ArmLibSupportV8.S    |  2 +-
 ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c   |  2 +-
 ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c       |  2 +-
 .../DebugPeCoffExtraActionLib.inf                  |  2 +-
 .../AArch64/DefaultExceptionHandler.c              |  2 +-
 .../Arm/DefaultExceptionHandler.c                  |  2 +-
 ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c |  4 +--
 .../RvdPeCoffExtraActionLib.c                      |  2 +-
 .../RvdPeCoffExtraActionLib.inf                    |  2 +-
 ArmPkg/Library/SemiHostingDebugLib/DebugLib.c      | 32 +++++++++++-----------
 .../SemiHostingSerialPortLib.inf                   |  2 +-
 .../SemiHostingSerialPortLib/SerialPortLib.c       |  8 +++---
 20 files changed, 49 insertions(+), 49 deletions(-)

(limited to 'ArmPkg/Library')

diff --git a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
index e6e47c8c3b..7c698fe471 100644
--- a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
+++ b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
@@ -152,7 +152,7 @@ MicroSecondDelay (
 
   @param  NanoSeconds The minimum number of nanoseconds to delay.
 
-  @return The value of NanoSeconds inputed.
+  @return The value of NanoSeconds inputted.
 
 **/
 UINTN
diff --git a/ArmPkg/Library/ArmDisassemblerLib/Aarch64Disassembler.c b/ArmPkg/Library/ArmDisassemblerLib/Aarch64Disassembler.c
index f3afc4360f..353f41bfba 100644
--- a/ArmPkg/Library/ArmDisassemblerLib/Aarch64Disassembler.c
+++ b/ArmPkg/Library/ArmDisassemblerLib/Aarch64Disassembler.c
@@ -13,7 +13,7 @@
 #include <Library/ArmDisassemblerLib.h>
 
 /**
-  Place a disassembly of of **OpCodePtr into buffer, and update OpCodePtr to
+  Place a disassembly of **OpCodePtr into buffer, and update OpCodePtr to
   point to next instruction.
 
   @param  OpCodePtrPtr  Pointer to pointer of instruction to disassemble.
diff --git a/ArmPkg/Library/ArmDisassemblerLib/ArmDisassembler.c b/ArmPkg/Library/ArmDisassemblerLib/ArmDisassembler.c
index b38a4ce07f..b4f0f8dbbf 100644
--- a/ArmPkg/Library/ArmDisassemblerLib/ArmDisassembler.c
+++ b/ArmPkg/Library/ArmDisassemblerLib/ArmDisassembler.c
@@ -137,8 +137,8 @@ RotateRight (
 
 
 /**
-  Place a dissasembly of of **OpCodePtr into buffer, and update OpCodePtr to
-  point to next instructin.
+  Place a disassembly of **OpCodePtr into buffer, and update OpCodePtr to
+  point to next instruction.
 
   We cheat and only decode instructions that access
   memory. If the instruction is not found we dump the instruction in hex.
diff --git a/ArmPkg/Library/ArmDisassemblerLib/ThumbDisassembler.c b/ArmPkg/Library/ArmDisassemblerLib/ThumbDisassembler.c
index dbfaee0586..b665132d69 100644
--- a/ArmPkg/Library/ArmDisassemblerLib/ThumbDisassembler.c
+++ b/ArmPkg/Library/ArmDisassemblerLib/ThumbDisassembler.c
@@ -1,5 +1,5 @@
 /** @file
-  Thumb Dissassembler. Still a work in progress.
+  Thumb Disassembler. Still a work in progress.
 
   Wrong output is a bug, so please fix it.
   Hex output means there is not yet an entry or a decode bug.
@@ -103,7 +103,7 @@ typedef struct {
 } THUMB_INSTRUCTIONS;
 
 THUMB_INSTRUCTIONS gOpThumb[] = {
-// Thumb 16-bit instrucitons
+// Thumb 16-bit instructions
 //          Op       Mask   Format
   { "ADC" , 0x4140, 0xffc0, DATA_FORMAT5 },  // ADC <Rndn>, <Rm>
   { "ADR",  0xa000, 0xf800, ADR_FORMAT   },  // ADR <Rd>, <label>
@@ -447,7 +447,7 @@ SignExtend32 (
 
 //
 // Some instructions specify the PC is always considered aligned
-// The PC is after the instruction that is excuting. So you pass
+// The PC is after the instruction that is executing. So you pass
 // in the instruction address and you get back the aligned answer
 //
 UINT32
@@ -459,8 +459,8 @@ PCAlign4 (
 }
 
 /**
-  Place a dissasembly of of **OpCodePtr into buffer, and update OpCodePtr to
-  point to next instructin.
+  Place a disassembly of **OpCodePtr into buffer, and update OpCodePtr to
+  point to next instruction.
 
   We cheat and only decode instructions that access
   memory. If the instruction is not found we dump the instruction in hex.
@@ -1023,8 +1023,8 @@ DisassembleArmInstruction (
 
 
 /**
-  Place a dissasembly of of **OpCodePtr into buffer, and update OpCodePtr to
-  point to next instructin.
+  Place a disassembly of **OpCodePtr into buffer, and update OpCodePtr to
+  point to next instruction.
 
   We cheat and only decode instructions that access
   memory. If the instruction is not found we dump the instruction in hex.
diff --git a/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.S b/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.S
index 481dee9b80..d9ad775934 100644
--- a/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.S
+++ b/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.S
@@ -227,7 +227,7 @@ ASM_PFX(AsmCommonExceptionEntry):
   ldr       R5, [SP, #0x58]         @ PC is the LR pushed by srsfd
                                     @ Check to see if we have to adjust for Thumb entry
   sub       r4, r0, #1              @ if (ExceptionType == 1 || ExceptionType == 2)) {
-  cmp       r4, #1                  @   // UND & SVC have differnt LR adjust for Thumb
+  cmp       r4, #1                  @   // UND & SVC have different LR adjust for Thumb
   bhi       NoAdjustNeeded
 
   tst       r1, #0x20               @   if ((CPSR & T)) == T) {  // Thumb Mode on entry
diff --git a/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm b/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm
index 06507c6404..aa0229d2e8 100644
--- a/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm
+++ b/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm
@@ -221,7 +221,7 @@ AsmCommonExceptionEntry
   ldr       R5, [SP, #0x58]         ; PC is the LR pushed by srsfd
                                     ; Check to see if we have to adjust for Thumb entry
   sub       r4, r0, #1              ; if (ExceptionType == 1 || ExceptionType == 2)) {
-  cmp       r4, #1                  ;   // UND & SVC have differnt LR adjust for Thumb
+  cmp       r4, #1                  ;   // UND & SVC have different LR adjust for Thumb
   bhi       NoAdjustNeeded
 
   tst       r1, #0x20               ;   if ((CPSR & T)) == T) {  // Thumb Mode on entry
diff --git a/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.c b/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.c
index bd1895ef1d..1ff90dede5 100644
--- a/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.c
+++ b/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.c
@@ -94,7 +94,7 @@ InitializeCpuExceptionHandlers(
 
   Status = EFI_SUCCESS;
 
-  // if we are requested to copy exceptin handlers to another location
+  // if we are requested to copy exception handlers to another location
   if (gArmRelocateVectorTable) {
 
     VectorBase = PcdGet64(PcdCpuVectorBaseAddress);
@@ -131,7 +131,7 @@ InitializeCpuExceptionHandlers(
 }
 
 /**
-Copies exception handlers to the speciifed address.
+Copies exception handlers to the specified address.
 
 Caller should try to get an array of interrupt and/or exception vectors that are in use and need to
 persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
index 310d4bb48a..199374ff59 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
@@ -430,13 +430,13 @@ ASM_FUNC(ArmReadMpidr)
   ret
 
 
-// Keep old function names for C compatibilty for now. Change later?
+// Keep old function names for C compatibility for now. Change later?
 ASM_FUNC(ArmReadTpidrurw)
   mrs   x0, tpidr_el0           // read tpidr_el0 (v7 TPIDRURW) -> (v8 TPIDR_EL0)
   ret
 
 
-// Keep old function names for C compatibilty for now. Change later?
+// Keep old function names for C compatibility for now. Change later?
 ASM_FUNC(ArmWriteTpidrurw)
   msr   tpidr_el0, x0           // write tpidr_el0 (v7 TPIDRURW) -> (v8 TPIDR_EL0)
   ret
@@ -453,7 +453,7 @@ ASM_FUNC(ArmReadIdPfr0)
   ret
 
 
-// Q: id_aa64pfr1_el1 not defined yet. What does this funtion want to access?
+// Q: id_aa64pfr1_el1 not defined yet. What does this function want to access?
 // A: used to setup arch timer. Check if we have security extensions, permissions to set stuff.
 //    See: ArmPkg/Library/ArmArchTimerLib/AArch64/ArmArchTimerLib.c
 //    Not defined yet, but stick in here for now, should read all zeros.
diff --git a/ArmPkg/Library/ArmLib/AArch64/ArmLibSupportV8.S b/ArmPkg/Library/ArmLib/AArch64/ArmLibSupportV8.S
index c9aab63f36..0e8d21e226 100644
--- a/ArmPkg/Library/ArmLib/AArch64/ArmLibSupportV8.S
+++ b/ArmPkg/Library/ArmLib/AArch64/ArmLibSupportV8.S
@@ -23,7 +23,7 @@
 
 
 ASM_FUNC(ArmIsMpCore)
-  mrs   x0, mpidr_el1         // Read EL1 Mutliprocessor Affinty Reg (MPIDR)
+  mrs   x0, mpidr_el1         // Read EL1 Multiprocessor Affinty Reg (MPIDR)
   and   x0, x0, #MPIDR_U_MASK // U Bit clear, the processor is part of a multiprocessor system
   lsr   x0, x0, #MPIDR_U_BIT
   eor   x0, x0, #1
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c
index 2cd584c898..e8f5c69e31 100644
--- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c
+++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c
@@ -352,7 +352,7 @@ UpdateRegionMapping (
 
   do {
     // Get the first Block Entry that matches the Virtual Address and also the information on the Table Descriptor
-    // such as the the size of the Block Entry and the address of the last BlockEntry of the Table Descriptor
+    // such as the size of the Block Entry and the address of the last BlockEntry of the Table Descriptor
     BlockEntrySize = RegionLength;
     BlockEntry = GetBlockEntryListFromAddress (RootTable, RegionStart, &TableLevel, &BlockEntrySize, &LastBlockEntry);
     if (BlockEntry == NULL) {
diff --git a/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c
index edb4de341f..74ac31de98 100644
--- a/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c
+++ b/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c
@@ -691,7 +691,7 @@ UpdateSectionEntries (
   for(i=0; i<NumSections; i++) {
     CurrentDescriptor = FirstLevelTable[FirstLevelIdx + i];
 
-    // has this descriptor already been coverted to pages?
+    // has this descriptor already been converted to pages?
     if (TT_DESCRIPTOR_SECTION_TYPE_IS_PAGE_TABLE(CurrentDescriptor)) {
       // forward this 1MB range to page table function instead
       Status = UpdatePageEntries (
diff --git a/ArmPkg/Library/DebugPeCoffExtraActionLib/DebugPeCoffExtraActionLib.inf b/ArmPkg/Library/DebugPeCoffExtraActionLib/DebugPeCoffExtraActionLib.inf
index e0ea815b3e..42b283d645 100644
--- a/ArmPkg/Library/DebugPeCoffExtraActionLib/DebugPeCoffExtraActionLib.inf
+++ b/ArmPkg/Library/DebugPeCoffExtraActionLib/DebugPeCoffExtraActionLib.inf
@@ -1,5 +1,5 @@
 #/** @file
-# PeCoff extra action libary for DXE phase that run Unix emulator.
+# PeCoff extra action library for DXE phase that run Unix emulator.
 #
 # Lib to provide memory journal status code reporting Routines
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
diff --git a/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c b/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c
index ef71398cce..ba3c0e0cc4 100644
--- a/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c
+++ b/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c
@@ -137,7 +137,7 @@ BaseName (
 /**
   This is the default action to take on an unexpected exception
 
-  Since this is exception context don't do anything crazy like try to allcoate memory.
+  Since this is exception context don't do anything crazy like try to allocate memory.
 
   @param  ExceptionType    Type of the exception
   @param  SystemContext    Register state at the time of the Exception
diff --git a/ArmPkg/Library/DefaultExceptionHandlerLib/Arm/DefaultExceptionHandler.c b/ArmPkg/Library/DefaultExceptionHandlerLib/Arm/DefaultExceptionHandler.c
index a214e6ef25..fa9af8c410 100644
--- a/ArmPkg/Library/DefaultExceptionHandlerLib/Arm/DefaultExceptionHandler.c
+++ b/ArmPkg/Library/DefaultExceptionHandlerLib/Arm/DefaultExceptionHandler.c
@@ -168,7 +168,7 @@ STATIC CHAR8 *gExceptionTypeString[] = {
 /**
   This is the default action to take on an unexpected exception
 
-  Since this is exception context don't do anything crazy like try to allcoate memory.
+  Since this is exception context don't do anything crazy like try to allocate memory.
 
   @param  ExceptionType    Type of the exception
   @param  SystemContext    Register state at the time of the Exception
diff --git a/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c b/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c
index 1e30f148b3..39b892a4b2 100644
--- a/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c
+++ b/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c
@@ -650,11 +650,11 @@ HandleCapsules (
   Do the platform specific action after the console is ready
   Possible things that can be done in PlatformBootManagerAfterConsole:
   > Console post action:
-    > Dynamically switch output mode from 100x31 to 80x25 for certain senarino
+    > Dynamically switch output mode from 100x31 to 80x25 for certain scenario
     > Signal console ready platform customized event
   > Run diagnostics like memory testing
   > Connect certain devices
-  > Dispatch aditional option roms
+  > Dispatch additional option roms
   > Special boot: e.g.: USB boot, enter UI
 **/
 VOID
diff --git a/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.c b/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.c
index 5fe9b25f1f..80e531921c 100644
--- a/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.c
+++ b/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.c
@@ -21,7 +21,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 /**
   Append string to debugger script file, create file if needed.
 
-  This library can show up in mulitple places so we need to append the file every time we write to it.
+  This library can show up in multiple places so we need to append the file every time we write to it.
   For example Sec can use this to load the DXE core, and the DXE core would use this to load all the
   other modules. So we have two instances of the library in the system.
 
diff --git a/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.inf b/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.inf
index 49946ecfb7..6b7ac87509 100644
--- a/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.inf
+++ b/ArmPkg/Library/RvdPeCoffExtraActionLib/RvdPeCoffExtraActionLib.inf
@@ -1,5 +1,5 @@
 #/** @file
-# PeCoff extra action libary for DXE phase that run Unix emulator.
+# PeCoff extra action library for DXE phase that run Unix emulator.
 #
 # Lib to provide memory journal status code reporting Routines
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
diff --git a/ArmPkg/Library/SemiHostingDebugLib/DebugLib.c b/ArmPkg/Library/SemiHostingDebugLib/DebugLib.c
index 055158aed5..ae762d8bea 100644
--- a/ArmPkg/Library/SemiHostingDebugLib/DebugLib.c
+++ b/ArmPkg/Library/SemiHostingDebugLib/DebugLib.c
@@ -172,11 +172,11 @@ DebugBPrint (
 
   Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n"
   to the debug output device.  If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of
-  PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if
-  DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then
+  PcdDebugPropertyMask is set then CpuBreakpoint() is called. Otherwise, if
+  DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugPropertyMask is set then
   CpuDeadLoop() is called.  If neither of these bits are set, then this function
   returns immediately after the message is printed to the debug output device.
-  DebugAssert() must actively prevent recusrsion.  If DebugAssert() is called while
+  DebugAssert() must actively prevent recursion.  If DebugAssert() is called while
   processing another DebugAssert(), then DebugAssert() must return immediately.
 
   If FileName is NULL, then a <FileName> string of "(NULL) Filename" is printed.
@@ -246,7 +246,7 @@ DebugClearMemory (
   ASSERT (Buffer != NULL);
 
   //
-  // SetMem() checks for the the ASSERT() condition on Length and returns Buffer
+  // SetMem() checks for the ASSERT() condition on Length and returns Buffer
   //
   return SetMem (Buffer, Length, PcdGet8(PcdDebugClearMemoryValue));
 }
@@ -257,10 +257,10 @@ DebugClearMemory (
   Returns TRUE if ASSERT() macros are enabled.
 
   This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of
-  PcdDebugProperyMask is set.  Otherwise FALSE is returned.
+  PcdDebugPropertyMask is set.  Otherwise FALSE is returned.
 
-  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set.
-  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear.
+  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugPropertyMask is set.
+  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugPropertyMask is clear.
 
 **/
 BOOLEAN
@@ -278,10 +278,10 @@ DebugAssertEnabled (
   Returns TRUE if DEBUG()macros are enabled.
 
   This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of
-  PcdDebugProperyMask is set.  Otherwise FALSE is returned.
+  PcdDebugPropertyMask is set.  Otherwise FALSE is returned.
 
-  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set.
-  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is clear.
+  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugPropertyMask is set.
+  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugPropertyMask is clear.
 
 **/
 BOOLEAN
@@ -299,10 +299,10 @@ DebugPrintEnabled (
   Returns TRUE if DEBUG_CODE()macros are enabled.
 
   This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of
-  PcdDebugProperyMask is set.  Otherwise FALSE is returned.
+  PcdDebugPropertyMask is set.  Otherwise FALSE is returned.
 
-  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set.
-  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is clear.
+  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugPropertyMask is set.
+  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugPropertyMask is clear.
 
 **/
 BOOLEAN
@@ -320,10 +320,10 @@ DebugCodeEnabled (
   Returns TRUE if DEBUG_CLEAR_MEMORY()macro is enabled.
 
   This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of
-  PcdDebugProperyMask is set.  Otherwise FALSE is returned.
+  PcdDebugPropertyMask is set.  Otherwise FALSE is returned.
 
-  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.
-  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear.
+  @retval  TRUE    The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugPropertyMask is set.
+  @retval  FALSE   The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugPropertyMask is clear.
 
 **/
 BOOLEAN
diff --git a/ArmPkg/Library/SemiHostingSerialPortLib/SemiHostingSerialPortLib.inf b/ArmPkg/Library/SemiHostingSerialPortLib/SemiHostingSerialPortLib.inf
index b44b97609b..814dabb9af 100644
--- a/ArmPkg/Library/SemiHostingSerialPortLib/SemiHostingSerialPortLib.inf
+++ b/ArmPkg/Library/SemiHostingSerialPortLib/SemiHostingSerialPortLib.inf
@@ -1,5 +1,5 @@
 #/** @file
-# Semihosting  serail port lib
+# Semihosting  serial port lib
 #
 # Copyright (c) 2008, Apple Inc. All rights reserved.<BR>
 #
diff --git a/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c b/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
index 851b00e8a1..7e5c61fad4 100644
--- a/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
+++ b/ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
@@ -103,7 +103,7 @@ SerialPortWrite (
   @param  NumberOfBytes    Number of output bytes which are cached in Buffer.
 
   @retval 0                Read data failed.
-  @retval !0               Aactual number of bytes read from serial device.
+  @retval !0               Actual number of bytes read from serial device.
 
 **/
 UINTN
@@ -120,10 +120,10 @@ SerialPortRead (
 
 
 /**
-  Check to see if any data is avaiable to be read from the debug device.
+  Check to see if any data is available to be read from the debug device.
 
-  @retval TRUE       At least one byte of data is avaiable to be read
-  @retval FALSE      No data is avaiable to be read
+  @retval TRUE       At least one byte of data is available to be read
+  @retval FALSE      No data is available to be read
 
 **/
 BOOLEAN
-- 
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