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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 15:07:33 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 15:07:33 +0100 |
| commit | b70366e5d31788650b2a5cec5cd13ea80ac7e44a (patch) | |
| tree | d972ffd190111d699200448494fda333d28b2486 /arch/powerpc/kernel/process.c | |
| parent | f42e181935d5e5670c87d31ae48063a495bbacae (diff) | |
| parent | db6ccf23e8ba40fc2e8914ec9c0eb950df71d9fe (diff) | |
| download | lwn-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.tar.gz lwn-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.zip | |
Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next
Pointer for Markus's image conversion work.
We need this so we can merge all the pretty drm graphs for 4.12.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 5dd056df0baa..d645da302bf2 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -16,6 +16,9 @@ #include <linux/errno.h> #include <linux/sched.h> +#include <linux/sched/debug.h> +#include <linux/sched/task.h> +#include <linux/sched/task_stack.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> @@ -730,6 +733,28 @@ static inline int __set_dabr(unsigned long dabr, unsigned long dabrx) mtspr(SPRN_DABRX, dabrx); return 0; } +#elif defined(CONFIG_PPC_8xx) +static inline int __set_dabr(unsigned long dabr, unsigned long dabrx) +{ + unsigned long addr = dabr & ~HW_BRK_TYPE_DABR; + unsigned long lctrl1 = 0x90000000; /* compare type: equal on E & F */ + unsigned long lctrl2 = 0x8e000002; /* watchpoint 1 on cmp E | F */ + + if ((dabr & HW_BRK_TYPE_RDWR) == HW_BRK_TYPE_READ) + lctrl1 |= 0xa0000; + else if ((dabr & HW_BRK_TYPE_RDWR) == HW_BRK_TYPE_WRITE) + lctrl1 |= 0xf0000; + else if ((dabr & HW_BRK_TYPE_RDWR) == 0) + lctrl2 = 0; + + mtspr(SPRN_LCTRL2, 0); + mtspr(SPRN_CMPE, addr); + mtspr(SPRN_CMPF, addr + 4); + mtspr(SPRN_LCTRL1, lctrl1); + mtspr(SPRN_LCTRL2, lctrl2); + + return 0; +} #else static inline int __set_dabr(unsigned long dabr, unsigned long dabrx) { |