gas used to accept (and ignore?) .size directives which referred to
undefined symbols, as this does. In binutils 2.21 these are treated
as errors.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Most of the warnings emitted (we fail arch/sparc file
builds with -Werror) were legitimate but harmless, however
one case (n2_pcr_write) was a genuine bug.
Based almost entirely upon a patch by Sam Ravnborg.
Reported-by: Dennis Gilmore <dennis@ausil.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
entry.S access percpu + global data defined in
sun4m_irq.c - so move the types to irq.h.
This makes sparse happy and allow us to utilize
asm-offsets later.
Also updated a few comments in the sun4m_irq.c file.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
build_device_irq() is used to encapsulate the plaform
specific details when we build an irq.
For now the default is a simple 1:1 but sun4d differs.
This patch refactors functionality - but does not change
the existing functionality.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds machine related core files, also including build infrastructure.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
sparc_irq_config is used to hold the platform specific irq setup.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a few includes back required to build with floppy enabled
Fix declaration of trapbase_cpu* so it is now consistent
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This converts the sparc clocksources to use clocksource_register_hz/khz
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A recent patch to the x86 randomization code caused me to take
a quick look at what we do on sparc64, and in doing so I noticed
that we sometimes calculate a non-page-aligned randomization value
and stick it into mmap_base.
I also noticed that since I copied the logic over from PowerPC,
the powerpc code has tweaked the randomization ranges in ways that
would benefit us as well.
For one thing, we should allow up to at least 8MB of randomization
otherwise huge-page regions when HPAGE_SIZE is 4MB never randomize
at all.
And on the 64-bit side we were using up to 4GB. Tone it down to
1GB as 4GB can result in a lot of address space wastage.
Finally, make sure all computations are unsigned.
Signed-off-by: David S. Miller <davem@davemloft.net>
- drop filename in file header
- drop unused includes
- add KERN_* to printk
- fix spaces => tabs
- add spaces after reserved words
- drop all externs, they are now in header files
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements support for float point unit, which using UniCore-F64 FPU hardware
in UniCore32 ISA.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This looked like a bug to me.
Add a comment so next reader is hopefully less confused.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds pm related files, including hibernate and sleep supports.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The preprocessor symbol was not defined and the code
was therefore not in use.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
- drop filename in file header
- drop unused includes
- add description of sun4d interrupts (from davem)
- add KERN_* to printk
- fix spaces => tabs
- add spaces after reserved words
- fix indent of a whole code block in smp4d_boot_one_cpu()
Note: two printk() was updated from debug to KERN_INFO in this code block
- drop all externs, they are now in header files
This is partly based on a patch from: David Miller <davem@davemloft.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements interrupts and gpio handling.
UniCore32 has 9 gpio interrupt sources.
And gpio device operations are also here.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
- drop filename in file header
- drop unused includes
- add description of sun4m interrupts (from davem)
- add KERN_* to printk
- fix spaces => tabs
- add spaces after reserved words
- drop all externs, they are now in header files
This is partly based on a patch from: David Miller <davem@davemloft.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
- drop filename in header
- drop unused includes
- add description of sun4c interrupts (from davem)
- add spaces after reserved words
This is partly based on a patch from: David Miller <davem@davemloft.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation for cleaning up a number of files add
declarations for irq and smp related data/functions to
the relevant headers.
This showed that the extern declaration of cputypval differed
in the two files where it was used.
As cputypval is defined like this:
cputypval:
.asciz "sun4c"
the correct representation is a char array.
Fix users to use the new declaration.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The two methods included in tick14.c was nop because
the static variable linux_lvl14 was always NULL.
So remove the file and callers.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements process/thread related codes. Backtrace and stacktrace are here.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This patch includes processor and system headers. System call interface is here.
We used the syscall interface the same as asm-generic version.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This patch includes some generic stuff including elf and ksyms.
Because all one-line asm-generic headers are auto-generated by ASM_GENERIC_HEADERS
in arch/unicore32/Makefile, so the rest seems very little.
ELF handling functions and module handling functions are also here.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This patch changes the implementation of strnlen_user in include/asm-generic/uaccess.h.
Originally, it calls strlen() function directly, which may not correctly handle the access of
user space in most mmu-enabled architectures.
New __strnlen_user is added for using as an architecture specific function.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
The way a LEON is powered down is implemented differently depending
on CHIP type. The AMBA Plug&Play system ID tells revision of GRLIB
and CHIP.
This is for example needed by the GR-LEON4-ITX board and the UT699.
Previously the power down support for LEON was limited to SMP, now
both SMP and UP systems use the instruction.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds ftrace.h into asm-generic headers.
The file content could be empty in most architectures.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This is only for LEON as u-boot for SPARC only supports LEON.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds sizes.h into asm-generic headers.
Only 32-bit version supported.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The generic irq support uses the term 'irq' for the
allocated irq number.
Fix it so sparc64 use the same term for an irq as the
generic irq support does.
For a naive reader this is less confusing.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The definitions for the PC-style PIO functions in asm-generic/io.h were
meant as dummies so you could compile code on architectures without
ISA and PCI buses. However, unicore32 actually wants to use them
with a real PCI bus, so they need to be defined to actually address
the register window holding the I/O ports.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The generic irq support uses the term 'irq' for the
allocated irq number.
Fix it so sparc64 use the same term for an irq as the
generic irq support does.
For a naive reader this is less confusing.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drop all uses of deprecated genirq features.
The irq_set_affinity() call got a third paramter 'force'
which is unused.
For now genirq does not use this paramter and it is
ignored by sparc.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Josip Rodin <joy@entuzijast.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
{get,set}_irq_data uses the member "handler_data" in irq_data
which fits the naem of the datatype.
The change has no functional impact
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
