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/* Copyright (C) 1998-2014 Free Software Foundation, Inc.
Contributed by Joern Rennecke
This file is part of GCC.
GCC 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, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define IN_GEN_AVR_MMCU_TEXI
#include "avr-arch.h"
#include "avr-devices.c"
static void
print_mcu (const avr_mcu_t *mcu)
{
const avr_mcu_t *arch_mcu;
for (arch_mcu = mcu; arch_mcu->macro; )
arch_mcu--;
if (arch_mcu->arch != mcu->arch)
exit (EXIT_FAILURE);
char name[100];
if (snprintf (name, sizeof name, "specs-%s", mcu->name) >= sizeof name)
exit (EXIT_FAILURE);
FILE *f = fopen (name ,"w");
const char *sp8, *errata_skip, *rmw;
/* Leave "avr2" and "avr25" alone. These two architectures are
the only ones that mix devices with 8-bit SP and 16-bit SP. */
if (mcu->macro == NULL
&& (mcu->arch == ARCH_AVR2 || mcu->arch == ARCH_AVR25))
sp8 = "";
sp8 = ((mcu->dev_attribute & AVR_SHORT_SP)
? " -msp8" : " %<msp8");
errata_skip = (mcu->dev_attribute & AVR_ERRATA_SKIP) ? " -mskip-bug" : "";
rmw = (mcu->dev_attribute & AVR_ISA_RMW) ? "%%{!mno-rmw: -mrmw}" : "";
const char *arch_name = avr_arch_types[mcu->arch].arch_name;
fprintf (f, "*self_spec:\n%%{!march=*:-march=%s}%s\n\n", arch_name, sp8);
if (mcu->macro)
fprintf (f, "*cpp:\n-D__AVR_DEV_LIB_NAME__=%s -D%s "
"-D__AVR_DEVICE_NAME__=%s\n\n",
mcu->library_name, mcu->macro, mcu->name);
fprintf (f, "*cc1:\n%s%s", errata_skip, rmw);
if (mcu->n_flash != arch_mcu->n_flash)
fprintf (f, " %%{!mn-flash:-mn-flash=%d}", mcu->n_flash);
fprintf (f, "\n\n");
fprintf (f, "*cc1plus:\n%s%s ", errata_skip, rmw);
if (mcu->n_flash != arch_mcu->n_flash)
fprintf (f, "%%{!mn-flash:-mn-flash=%d}", mcu->n_flash);
fprintf (f, "%%{!frtti: -fno-rtti}"
"%%{!fenforce-eh-specs: -fno-enforce-eh-specs}"
"%%{!fexceptions: -fno-exceptions}\n\n");
fprintf (f, "*asm:\n%%{march=*:-mmcu=%%*}%{mrelax: --mlink-relax}%s\n\n",
*errata_skip ? "" : " -mno-skip-bug");
fprintf (f, "*link:\n%%{mrelax:--relax");
if (strncmp (mcu->name, "at90usb8", strlen ("at90usb8")) == 0)
fprintf (f, "%%{mpmem-wrap-around: --pmem-wrap-around=8k}");
if (strncmp (mcu->name, "atmega16", strlen ("atmega16")) == 0)
fprintf (f, "%%{mpmem-wrap-around: --pmem-wrap-around=16k}");
if (strncmp (mcu->name, "atmega32", strlen ("atmega32")) == 0
|| strncmp (mcu->name, "at90can32", strlen ("at90can32")) == 0)
fprintf (f, "%%{mpmem-wrap-around: --pmem-wrap-around=32k}");
if (strncmp (mcu->name, "atmega64", strlen ("atmega64")) == 0
|| strncmp (mcu->name, "at90can64", strlen ("at90can64")) == 0
|| strncmp (mcu->name, "at90usb64", strlen ("at90usb64")) == 0)
fprintf (f, "%%{mpmem-wrap-around: --pmem-wrap-around=64k}");
fprintf (f, "} %%{march=*:-m%%*}");
if (mcu->data_section_start
!= avr_arch_types[mcu->arch].default_data_section_start)
fprintf (f, " -Tdata 0x%lX", 0x800000UL + mcu->data_section_start);
if (mcu->text_section_start != 0x0)
fprintf (f, " -Ttext 0x%lX", mcu->text_section_start);
fprintf (f, " %%{shared:%%eshared is not supported}\n\n");
fprintf (f, "*lib:\n");
if (strncmp (mcu->name, "mmcu=at90s1", strlen ("mmcu=at90s1")) != 0
&& strncmp (mcu->name, "mmcu=attiny11", strlen ("mmcu=attiny11")) != 0
&& strncmp (mcu->name, "mmcu=attiny12", strlen ("mmcu=attiny12")) != 0
&& strncmp (mcu->name, "mmcu=attiny15", strlen ("mmcu=attiny15")) != 0
&& strncmp (mcu->name, "mmcu=attiny28", strlen ("mmcu=attiny28")) != 0)
{
fprintf (f, "-lc");
if (mcu->macro)
fprintf (f, " dev/%s/libdev.a%%s", mcu->name);
}
fprintf (f, "\n\n");
fprintf (f, "*libgcc:\n");
if (strncmp (mcu->name, "mmcu=at90s1", strlen ("mmcu=at90s1")) != 0
&& strncmp (mcu->name, "mmcu=attiny11", strlen ("mmcu=attiny11")) != 0
&& strncmp (mcu->name, "mmcu=attiny12", strlen ("mmcu=attiny12")) != 0
&& strncmp (mcu->name, "mmcu=attiny15", strlen ("mmcu=attiny15")) != 0
&& strncmp (mcu->name, "mmcu=attiny28", strlen ("mmcu=attiny28")) != 0)
fprintf (f, "-lgcc");
fprintf (f, "\n\n");
fprintf (f, "*startfile:\ndev/%s/crt1.o%%s\n\n", mcu->name);
}
int main (void)
{
enum avr_arch arch = ARCH_UNKNOWN;
size_t i, n_mcus = 0;
const avr_mcu_t *mcu;
for (mcu = avr_mcu_types; mcu->name; mcu++)
print_mcu (mcu);
return EXIT_SUCCESS;
}
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