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| author | Bob Nelson <rrnelson@linux.vnet.ibm.com> | 2007-08-17 11:06:09 -0500 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2007-12-19 01:00:01 +0100 |
| commit | a1ef4849fdca379cf51cbacd337e8fa742437d26 (patch) | |
| tree | 080b20cdb517702f08d51fad010a9e3aac5bce74 | |
| parent | 29641ce165e5f643b48988cb779c6ba97b647503 (diff) | |
| download | op-kernel-dev-a1ef4849fdca379cf51cbacd337e8fa742437d26.zip op-kernel-dev-a1ef4849fdca379cf51cbacd337e8fa742437d26.tar.gz | |
[POWERPC] OProfile: fix cbe pm signal routing problem
Fix debug_bus_control and group_control PMU register values set up in
set_pm_event(). Initialize variables before calling set_pm_event().
Delete unused static array and code that initialized it.
Rename constant to better reflect usage.
Signed-off-by: Bob Nelson <rrnelson@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | arch/powerpc/oprofile/op_model_cell.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index bb6bff5..1392977 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -61,7 +61,7 @@ static unsigned int spu_cycle_reset; #define NUM_THREADS 2 /* number of physical threads in * physical processor */ -#define NUM_TRACE_BUS_WORDS 4 +#define NUM_DEBUG_BUS_WORDS 4 #define NUM_INPUT_BUS_WORDS 2 #define MAX_SPU_COUNT 0xFFFFFF /* maximum 24 bit LFSR value */ @@ -169,7 +169,6 @@ static DEFINE_SPINLOCK(virt_cntr_lock); static u32 ctr_enabled; -static unsigned char trace_bus[NUM_TRACE_BUS_WORDS]; static unsigned char input_bus[NUM_INPUT_BUS_WORDS]; /* @@ -298,7 +297,7 @@ static void set_pm_event(u32 ctr, int event, u32 unit_mask) p->signal_group = event / 100; p->bus_word = bus_word; - p->sub_unit = (unit_mask & 0x0000f000) >> 12; + p->sub_unit = GET_SUB_UNIT(unit_mask); pm_regs.pm07_cntrl[ctr] = 0; pm_regs.pm07_cntrl[ctr] |= PM07_CTR_COUNT_CYCLES(count_cycles); @@ -334,16 +333,16 @@ static void set_pm_event(u32 ctr, int event, u32 unit_mask) p->bit = signal_bit; } - for (i = 0; i < NUM_TRACE_BUS_WORDS; i++) { + for (i = 0; i < NUM_DEBUG_BUS_WORDS; i++) { if (bus_word & (1 << i)) { pm_regs.debug_bus_control |= - (bus_type << (31 - (2 * i) + 1)); + (bus_type << (30 - (2 * i))); for (j = 0; j < NUM_INPUT_BUS_WORDS; j++) { if (input_bus[j] == 0xff) { input_bus[j] = i; pm_regs.group_control |= - (i << (31 - i)); + (i << (30 - (2 * j))); break; } @@ -450,6 +449,12 @@ static void cell_virtual_cntr(unsigned long data) hdw_thread = 1 ^ hdw_thread; next_hdw_thread = hdw_thread; + pm_regs.group_control = 0; + pm_regs.debug_bus_control = 0; + + for (i = 0; i < NUM_INPUT_BUS_WORDS; i++) + input_bus[i] = 0xff; + /* * There are some per thread events. Must do the * set event, for the thread that is being started @@ -619,9 +624,6 @@ static int cell_reg_setup(struct op_counter_config *ctr, pmc_cntrl[1][i].vcntr = i; } - for (i = 0; i < NUM_TRACE_BUS_WORDS; i++) - trace_bus[i] = 0xff; - for (i = 0; i < NUM_INPUT_BUS_WORDS; i++) input_bus[i] = 0xff; |
