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| author | Ingo Molnar <mingo@kernel.org> | 2017-03-02 10:05:45 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-02 10:05:45 +0300 |
| commit | 9d020d33fc1b2faa0eb35859df1381ca5dc94ffe (patch) | |
| tree | adcd4356b93b17b42c9e4ef95c3fea3afa52f3ee /arch/powerpc/kernel/process.c | |
| parent | 6b0b7551428e4caae1e2c023a529465a9a9ae2d4 (diff) | |
| parent | 4977ab6e92e267afe9d8f78438c3db330ca8434c (diff) | |
| download | linux-9d020d33fc1b2faa0eb35859df1381ca5dc94ffe.tar.xz | |
Merge branch 'linus' into perf/urgent, to resolve conflict
Conflicts:
arch/powerpc/configs/85xx/kmp204x_defconfig
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 5dd056df0baa..4379a079b3c2 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -730,6 +730,28 @@ 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) { |