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/*
RCC-Project
Copyright (C) 2026 Richard Qin
This file is part of RCC-Project.
RCC-Project is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your option) any
later version.
RCC-Project is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
RCC-Project; see the file COPYING. If not see
<http://www.gnu.org/licenses/>.
*/
OUTPUT_FORMAT(elf32-i386)
OUTPUT_ARCH(i386)
ENTRY(reset_entry)
MEMORY
{
ROM (rx) : ORIGIN = 0xF0000, LENGTH = 0x10000
EBDA (rw) : ORIGIN = 0x9C000, LENGTH = 0x4000
}
SECTIONS
{
. = ORIGIN(ROM);
__rom_start = .;
. = ALIGN(16);
.text16.entry :
{
KEEP(*(.text16 .entry))
} > ROM
.text16.mode :
{
KEEP(*(.text16.mode))
} > ROM
.text16.irq :
{
KEEP(*(.text16.irq))
} > ROM
.text16 :
{
KEEP(*(.text16.mode))
} > ROM
. = ALIGN(16);
.text32 :
{
*(.text32 .text32.*)
*(.text .text.*)
} > ROM
. = ALIGN(4);
.rodata :
{
*(.rodata .rodata.*)
} > ROM
. = ALIGN(4);
.data :
{
__data_start = .;
*(.data .data.*)
__data_end = .;
} > EBDA AT> ROM
__data_load_start = LOADADDR(.data);
.reset 0xFFFF0 :
{
KEEP(*(.reset))
} > ROM
.bss (NOLOAD) :
{
. = ALIGN(4);
__bss_start = .;
*(.bss .bss.* COMMON)
__bss_end = .;
} > EBDA
__ebda_start = ORIGIN(EBDA);
__ebda_end = ORIGIN(EBDA) + LENGTH(EBDA);
__rom_end = ORIGIN(ROM) + LENGTH(ROM);
ASSERT(SIZEOF(.reset) <= 16, "reset section exceeds 16 bytes")
ASSERT(__bss_end <= __ebda_end, "EBDA overflow")
ASSERT(
LOADADDR(.reset) + SIZEOF(.reset) <= ORIGIN(ROM) + LENGTH(ROM),
"ROM overflow"
)
}
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