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ckormanyos merged 2 commits into from
Nov 5, 2025
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More modernization Examples Chap 9 #687

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6fd4d9d
More modernization Examples Chap 9
ckormanyos Nov 4, 2025
36b936e
Repair build typos and trivial syntax
ckormanyos Nov 4, 2025
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20 changes: 14 additions & 6 deletions examples/chapter04_04a/target/micros/avr/make/avr.ld
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
Copyright Christopher Kormanyos 2007 - 2023.
Copyright Christopher Kormanyos 2007 - 2025.
Distributed under the Boost Software License,
Version 1.0. (See accompanying file LICENSE_1_0.txt
or copy at http://www.boost.org/LICENSE_1_0.txt)
Expand All @@ -12,6 +12,10 @@ INPUT(libc.a libm.a libgcc.a)
OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
OUTPUT_ARCH(avr:5)

/* The beginning and end of the program ROM area. */
_rom_begin = 0x00000000;
_rom_end = 0x00007FFC;

/* The beginning and end (i.e., top) of the stack */
/* Set up a stack with a size of 0x180=(3/8)K */
_stack_begin = 0x00800780;
Expand All @@ -22,9 +26,8 @@ __initial_stack_pointer = 0x00800900 - 2;

MEMORY
{
VEC(rx) : ORIGIN = 0x00000000, LENGTH = 0x00000080
ROM(rx) : ORIGIN = 0x00000080, LENGTH = 32K - 0x00000080
RAM(rwx) : ORIGIN = 0x00800100, LENGTH = 0x00000780 - 0x00000100
ROM(rx) : ORIGIN = 0, LENGTH = 32K - 4
RAM(rw!x) : ORIGIN = 0x00800100, LENGTH = 0x00000780 - 0x00000100
}

SECTIONS
Expand All @@ -38,7 +41,7 @@ SECTIONS
*(.isr_vector)
. = ALIGN(0x10);
KEEP(*(.isr_vector))
} > VEC = 0x5555
} > ROM = 0xAAAA

/* Startup code */
.startup :
Expand Down Expand Up @@ -67,6 +70,11 @@ SECTIONS
. = ALIGN(2);
} > ROM

.text :
{
. = ALIGN(0x10);
} > ROM = 0xAAAA

. = 0x00800100;
. = ALIGN(2);

Expand All @@ -80,7 +88,7 @@ SECTIONS
*(.data*)
. = ALIGN(2);
KEEP (*(.data*))
*(.rodata) /* Use special handling of rodata (i.e., as part of data since _const_ variables are stored in RAM for AVR arch). */
*(.rodata) /* Do *NOT* move this! Include .rodata here if gcc is used with -fdata-sections. */
. = ALIGN(2);
KEEP (*(.rodata))
*(.rodata*)
Expand Down
3 changes: 2 additions & 1 deletion examples/chapter04_04a/target/micros/avr/make/avr_flags.gmk
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Expand Up @@ -12,6 +12,7 @@
ifneq ($(MAKE),make)
GCC_VERSION = 15.1.0
endif

GCC_TARGET = avr
GCC_PREFIX = avr

Expand All @@ -33,7 +34,7 @@ endif
TGT_CFLAGS = -std=c11 \
$(TGT_ALLFLAGS)

TGT_CXXFLAGS = -std=c++14 \
TGT_CXXFLAGS = -std=c++20 \
$(TGT_ALLFLAGS)

TGT_INCLUDES = -I$(PATH_APP)/util/STL
Expand Down
2 changes: 1 addition & 1 deletion examples/chapter09_08/src/mcal/avr/mcal_led_sys_start_interface.cpp
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@@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////////////
// Copyright Christopher Kormanyos 2017 - 2018.
// Copyright Christopher Kormanyos 2017 - 2025.
// Distributed under the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
Expand Down
2 changes: 1 addition & 1 deletion examples/chapter09_08/src/sys/start/sys_start.cpp
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////////////
// Copyright Christopher Kormanyos 2007 - 2023.
// Copyright Christopher Kormanyos 2007 - 2025.
// Distributed under the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
Expand Down
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