diff options
| author | Michael Rolnik <mrolnik@gmail.com> | 2020-01-24 01:51:07 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-07-10 17:58:32 +0200 |
| commit | c8c0d267fd423dcda81fec5dc35ca7a6c3207213 (patch) | |
| tree | 98c95d43ee578714e1aee7e466233e7107b5d023 /target/avr/cpu-param.h | |
| parent | f2a1cf9180f63e88bb38ff21c169da97c3f2bad5 (diff) | |
target/avr: Add basic parameters of the new platform
This includes definitions of various basic parameters needed
for integration of a new platform into QEMU.
[AM: Split a larger AVR introduction patch into logical units]
Suggested-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
Co-developed-by: Michael Rolnik <mrolnik@gmail.com>
Co-developed-by: Sarah Harris <S.E.Harris@kent.ac.uk>
Signed-off-by: Michael Rolnik <mrolnik@gmail.com>
Signed-off-by: Sarah Harris <S.E.Harris@kent.ac.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[thuth: Simplify MAINTAINERS right from the start]
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20200705140315.260514-2-huth@tuxfamily.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'target/avr/cpu-param.h')
| -rw-r--r-- | target/avr/cpu-param.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/avr/cpu-param.h b/target/avr/cpu-param.h new file mode 100644 index 0000000000..7ef4e7c679 --- /dev/null +++ b/target/avr/cpu-param.h @@ -0,0 +1,36 @@ +/* + * QEMU AVR CPU + * + * Copyright (c) 2016-2020 Michael Rolnik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + * <http://www.gnu.org/licenses/lgpl-2.1.html> + */ + +#ifndef AVR_CPU_PARAM_H +#define AVR_CPU_PARAM_H + +#define TARGET_LONG_BITS 32 +/* + * TARGET_PAGE_BITS cannot be more than 8 bits because + * 1. all IO registers occupy [0x0000 .. 0x00ff] address range, and they + * should be implemented as a device and not memory + * 2. SRAM starts at the address 0x0100 + */ +#define TARGET_PAGE_BITS 8 +#define TARGET_PHYS_ADDR_SPACE_BITS 24 +#define TARGET_VIRT_ADDR_SPACE_BITS 24 +#define NB_MMU_MODES 2 + +#endif |