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/*
* Copyright (c) 2016-2019 Matt Borgerson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#if INCLUDE_DEMO
#define ENTRYPOINT _start
#else
#define ENTRYPOINT dbg_start
#endif
#define MULTIBOOT_MAGIC 0x1badb002
#define MULTIBOOT_FLAGS 0x10000
#define MULTIBOOT_CSUM (0 - (MULTIBOOT_MAGIC + MULTIBOOT_FLAGS))
ENTRY(ENTRYPOINT)
MEMORY
{
RAM (WX) : ORIGIN = BASE_ADDRESS, LENGTH = 0x10000
}
SECTIONS
{
.text : {
*(.text.dbg_start)
#if INCLUDE_DEMO
. = ALIGN(16);
/* Include a multiboot header to boot in QEMU */
multiboot_hdr = .;
LONG(MULTIBOOT_MAGIC)
LONG(MULTIBOOT_FLAGS)
LONG(MULTIBOOT_CSUM)
LONG(multiboot_hdr)
LONG(BASE_ADDRESS)
LONG(_load_end_addr)
LONG(_bss_end_addr)
LONG(ENTRYPOINT)
#endif
*(.text)
*(.rodata)
} > RAM
.data : {
*(.data)
*(.bss)
_load_end_addr = .;
_bss_end_addr = .;
} > RAM
/DISCARD/ : {
*(.comment)
*(.note.GNU-stack)
*(.eh_frame)
*(.rela.eh_frame)
*(.shstrtab)
*(.symtab)
*(.strtab)
}
}
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