OpenE2K/linux
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325 Commits

Author SHA1 Message Date
Ley Foon Tan
2fc8483fdc nios2: Build infrastructure 
This patch adds Makefile and Kconfig files required for building a
nios2 kernel.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:06 +08:00
Ley Foon Tan
106174d0d8 nios2: ptrace support 
Add ptrace support for nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:04 +08:00
Ley Foon Tan
42381bf1f2 nios2: Module support 
This patch adds support for loadable modules.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:04 +08:00
Ley Foon Tan
b31ebd8055 nios2: Nios2 registers 
This file contains constants for the instruction macros, cpu registers,
fields and bits.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:03 +08:00
Ley Foon Tan
97da0d62d4 nios2: Miscellaneous header files 
This patch introduces a few nios2-specific header files.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:03 +08:00
Ley Foon Tan
2612b87959 nios2: Cpuinfo handling 
Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:02 +08:00
Ley Foon Tan
4182de9e63 nios2: Time keeping 
Add time keeping code for nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
 2014-12-08 12:56:01 +08:00
Ley Foon Tan
95acd4c7b6 nios2: Device tree support 
Add device tree support to arch/nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:01 +08:00
Ley Foon Tan
eea9507a69 nios2: Library functions 
Add optimised library functions for nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:56:00 +08:00
Ley Foon Tan
b53e906d25 nios2: Signal handling support 
This patch adds support for signal handling.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:59 +08:00
Ley Foon Tan
1000197d80 nios2: System calls handling 
This patch adds support for system calls from userspaces. It uses the
asm-generic/unistd.h definitions with architecture spcific syscall.
The sys_call_table is just an array defined in a C file and it contains
pointers to the syscall functions.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:58 +08:00
Ley Foon Tan
19f4c6b5af nios2: ELF definitions 
This patch adds definitions for the ELF format

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:58 +08:00
Ley Foon Tan
e23c621f98 nios2: DMA mapping API 
This patch adds support for the DMA mapping API.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:56 +08:00
Ley Foon Tan
f27ffc751c nios2: Interrupt handling 
This patch adds the support for IRQ handling.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
 2014-12-08 12:55:55 +08:00
Ley Foon Tan
c983e92fcb nios2: TLB handling 
This patch adds the TLB maintenance functions.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:54 +08:00
Ley Foon Tan
93c91cb228 nios2: Cache handling 
This patch adds functionality required for cache maintenance.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:54 +08:00
Ley Foon Tan
71995e4d00 nios2: Process management 
This patch adds support for thread creation and context switching.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:53 +08:00
Ley Foon Tan
cbd15b3fad nios2: Page table management 
This patch adds support for page table management.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:53 +08:00
Ley Foon Tan
862674d424 nios2: MMU Fault handling 
This patch adds support for the handling of the MMU faults (exception
entry code introduced by a previous patch, kernel/entry.S).

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:52 +08:00
Ley Foon Tan
6b8baec4d6 nios2: I/O Mapping 
This patch adds several definitions for I/O accessors and ioremap().

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:52 +08:00
Ley Foon Tan
5ccc6af5e8 nios2: Memory management 
This patch contains the initialisation of the memory blocks, MMU
attributes and the memory map.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:51 +08:00
Ley Foon Tan
771a0163c0 nios2: Traps exception handling 
This patch contains traps exception handling.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:50 +08:00
Ley Foon Tan
82ed08dd1b nios2: Exception handling 
This patch contains the exception entry code (kernel/entry.S) and
misaligned exception.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:50 +08:00
Ley Foon Tan
27d22413e6 nios2: Kernel booting and initialization 
This patch adds the kernel booting and the initial setup code.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:49 +08:00
Ley Foon Tan
39b505cb79 nios2: Assembly macros and definitions 
This patch add assembly macros and definitions used in
the .S files across arch/nios2/ and together with asm-offsets.c.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:49 +08:00