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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 18:07:50 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 18:07:50 +0100 |
| commit | 3dab04e6978e358ad2307bca563fabd6c5d2c58b (patch) | |
| tree | 893e9bc5041e7f722722fe13a3b145396f2554d8 /arch/mn10300/mm/Kconfig.cache | |
| parent | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/... (diff) | |
| parent | MN10300: gcc 4.6 vs am33 inline assembly (diff) | |
| download | linux-3dab04e6978e358ad2307bca563fabd6c5d2c58b.tar.xz linux-3dab04e6978e358ad2307bca563fabd6c5d2c58b.zip | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300:
MN10300: gcc 4.6 vs am33 inline assembly
MN10300: Deprecate gdbstub
MN10300: Allow KGDB to use the MN10300 serial ports
MN10300: Emulate single stepping in KGDB on MN10300
MN10300: Generalise kernel debugger kernel halt, reboot or power off hook
KGDB: Notify GDB of machine halt, reboot or power off
MN10300: Use KGDB
MN10300: Create generic kernel debugger hooks
MN10300: Create general kernel debugger cache flushing
MN10300: Introduce a general config option for kernel debugger hooks
MN10300: The icache invalidate functions should disable the icache first
MN10300: gdbstub: Restrict single-stepping to non-preemptable non-SMP configs
Diffstat (limited to 'arch/mn10300/mm/Kconfig.cache')
| -rw-r--r-- | arch/mn10300/mm/Kconfig.cache | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/mn10300/mm/Kconfig.cache b/arch/mn10300/mm/Kconfig.cache index c4fd923a55a0..bfbe52691f2c 100644 --- a/arch/mn10300/mm/Kconfig.cache +++ b/arch/mn10300/mm/Kconfig.cache @@ -99,3 +99,49 @@ config MN10300_CACHE_INV_ICACHE help Set if we need the icache to be invalidated, even if the dcache is in write-through mode and doesn't need flushing. + +# +# The kernel debugger gets its own separate cache flushing functions +# +config MN10300_DEBUGGER_CACHE_FLUSH_BY_TAG + def_bool y if KERNEL_DEBUGGER && \ + MN10300_CACHE_WBACK && \ + !MN10300_CACHE_SNOOP && \ + MN10300_CACHE_MANAGE_BY_TAG + help + Set if the debugger needs to flush the dcache and invalidate the + icache using the cache tag registers to make breakpoints work. + +config MN10300_DEBUGGER_CACHE_FLUSH_BY_REG + def_bool y if KERNEL_DEBUGGER && \ + MN10300_CACHE_WBACK && \ + !MN10300_CACHE_SNOOP && \ + MN10300_CACHE_MANAGE_BY_REG + help + Set if the debugger needs to flush the dcache and invalidate the + icache using automatic purge registers to make breakpoints work. + +config MN10300_DEBUGGER_CACHE_INV_BY_TAG + def_bool y if KERNEL_DEBUGGER && \ + MN10300_CACHE_WTHRU && \ + !MN10300_CACHE_SNOOP && \ + MN10300_CACHE_MANAGE_BY_TAG + help + Set if the debugger needs to invalidate the icache using the cache + tag registers to make breakpoints work. + +config MN10300_DEBUGGER_CACHE_INV_BY_REG + def_bool y if KERNEL_DEBUGGER && \ + MN10300_CACHE_WTHRU && \ + !MN10300_CACHE_SNOOP && \ + MN10300_CACHE_MANAGE_BY_REG + help + Set if the debugger needs to invalidate the icache using automatic + purge registers to make breakpoints work. + +config MN10300_DEBUGGER_CACHE_NO_FLUSH + def_bool y if KERNEL_DEBUGGER && \ + (MN10300_CACHE_DISABLED || MN10300_CACHE_SNOOP) + help + Set if the debugger does not need to flush the dcache and/or + invalidate the icache to make breakpoints work. |