diff options
Diffstat (limited to 'driver/gator_events_scorpion.c')
| -rw-r--r-- | driver/gator_events_scorpion.c | 218 |
1 files changed, 108 insertions, 110 deletions
diff --git a/driver/gator_events_scorpion.c b/driver/gator_events_scorpion.c index ed0d8de..5ffc63a 100644 --- a/driver/gator_events_scorpion.c +++ b/driver/gator_events_scorpion.c @@ -20,8 +20,8 @@ static int pmnc_counters; #define PMNC_C (1 << 2) /* Cycle counter reset */ #define PMNC_D (1 << 3) /* CCNT counts every 64th cpu cycle */ #define PMNC_X (1 << 4) /* Export to ETM */ -#define PMNC_DP (1 << 5) /* Disable CCNT if non-invasive debug*/ -#define PMNC_MASK 0x3f /* Mask for writable bits */ +#define PMNC_DP (1 << 5) /* Disable CCNT if non-invasive debug */ +#define PMNC_MASK 0x3f /* Mask for writable bits */ // ccnt reg #define CCNT_REG (1 << 31) @@ -37,95 +37,95 @@ static unsigned long pmnc_key[CNTMAX]; static DEFINE_PER_CPU(int[CNTMAX * 2], perfCnt); enum scorpion_perf_types { - SCORPION_ICACHE_EXPL_INV = 0x4c, - SCORPION_ICACHE_MISS = 0x4d, - SCORPION_ICACHE_ACCESS = 0x4e, - SCORPION_ICACHE_CACHEREQ_L2 = 0x4f, - SCORPION_ICACHE_NOCACHE_L2 = 0x50, - SCORPION_HIQUP_NOPED = 0x51, - SCORPION_DATA_ABORT = 0x52, - SCORPION_IRQ = 0x53, - SCORPION_FIQ = 0x54, - SCORPION_ALL_EXCPT = 0x55, - SCORPION_UNDEF = 0x56, - SCORPION_SVC = 0x57, - SCORPION_SMC = 0x58, - SCORPION_PREFETCH_ABORT = 0x59, - SCORPION_INDEX_CHECK = 0x5a, - SCORPION_NULL_CHECK = 0x5b, - SCORPION_EXPL_ICIALLU = 0x5c, - SCORPION_IMPL_ICIALLU = 0x5d, - SCORPION_NONICIALLU_BTAC_INV = 0x5e, - SCORPION_ICIMVAU_IMPL_ICIALLU = 0x5f, - SCORPION_SPIPE_ONLY_CYCLES = 0x60, - SCORPION_XPIPE_ONLY_CYCLES = 0x61, - SCORPION_DUAL_CYCLES = 0x62, - SCORPION_DISPATCH_ANY_CYCLES = 0x63, - SCORPION_FIFO_FULLBLK_CMT = 0x64, - SCORPION_FAIL_COND_INST = 0x65, - SCORPION_PASS_COND_INST = 0x66, - SCORPION_ALLOW_VU_CLK = 0x67, - SCORPION_VU_IDLE = 0x68, - SCORPION_ALLOW_L2_CLK = 0x69, - SCORPION_L2_IDLE = 0x6a, - SCORPION_DTLB_IMPL_INV_SCTLR_DACR = 0x6b, - SCORPION_DTLB_EXPL_INV = 0x6c, - SCORPION_DTLB_MISS = 0x6d, - SCORPION_DTLB_ACCESS = 0x6e, - SCORPION_ITLB_MISS = 0x6f, - SCORPION_ITLB_IMPL_INV = 0x70, - SCORPION_ITLB_EXPL_INV = 0x71, - SCORPION_UTLB_D_MISS = 0x72, - SCORPION_UTLB_D_ACCESS = 0x73, - SCORPION_UTLB_I_MISS = 0x74, - SCORPION_UTLB_I_ACCESS = 0x75, - SCORPION_UTLB_INV_ASID = 0x76, - SCORPION_UTLB_INV_MVA = 0x77, - SCORPION_UTLB_INV_ALL = 0x78, - SCORPION_S2_HOLD_RDQ_UNAVAIL = 0x79, - SCORPION_S2_HOLD = 0x7a, - SCORPION_S2_HOLD_DEV_OP = 0x7b, - SCORPION_S2_HOLD_ORDER = 0x7c, - SCORPION_S2_HOLD_BARRIER = 0x7d, - SCORPION_VIU_DUAL_CYCLE = 0x7e, - SCORPION_VIU_SINGLE_CYCLE = 0x7f, - SCORPION_VX_PIPE_WAR_STALL_CYCLES = 0x80, - SCORPION_VX_PIPE_WAW_STALL_CYCLES = 0x81, - SCORPION_VX_PIPE_RAW_STALL_CYCLES = 0x82, - SCORPION_VX_PIPE_LOAD_USE_STALL = 0x83, - SCORPION_VS_PIPE_WAR_STALL_CYCLES = 0x84, - SCORPION_VS_PIPE_WAW_STALL_CYCLES = 0x85, - SCORPION_VS_PIPE_RAW_STALL_CYCLES = 0x86, - SCORPION_EXCEPTIONS_INV_OPERATION = 0x87, - SCORPION_EXCEPTIONS_DIV_BY_ZERO = 0x88, - SCORPION_COND_INST_FAIL_VX_PIPE = 0x89, - SCORPION_COND_INST_FAIL_VS_PIPE = 0x8a, - SCORPION_EXCEPTIONS_OVERFLOW = 0x8b, - SCORPION_EXCEPTIONS_UNDERFLOW = 0x8c, - SCORPION_EXCEPTIONS_DENORM = 0x8d, + SCORPION_ICACHE_EXPL_INV = 0x4c, + SCORPION_ICACHE_MISS = 0x4d, + SCORPION_ICACHE_ACCESS = 0x4e, + SCORPION_ICACHE_CACHEREQ_L2 = 0x4f, + SCORPION_ICACHE_NOCACHE_L2 = 0x50, + SCORPION_HIQUP_NOPED = 0x51, + SCORPION_DATA_ABORT = 0x52, + SCORPION_IRQ = 0x53, + SCORPION_FIQ = 0x54, + SCORPION_ALL_EXCPT = 0x55, + SCORPION_UNDEF = 0x56, + SCORPION_SVC = 0x57, + SCORPION_SMC = 0x58, + SCORPION_PREFETCH_ABORT = 0x59, + SCORPION_INDEX_CHECK = 0x5a, + SCORPION_NULL_CHECK = 0x5b, + SCORPION_EXPL_ICIALLU = 0x5c, + SCORPION_IMPL_ICIALLU = 0x5d, + SCORPION_NONICIALLU_BTAC_INV = 0x5e, + SCORPION_ICIMVAU_IMPL_ICIALLU = 0x5f, + SCORPION_SPIPE_ONLY_CYCLES = 0x60, + SCORPION_XPIPE_ONLY_CYCLES = 0x61, + SCORPION_DUAL_CYCLES = 0x62, + SCORPION_DISPATCH_ANY_CYCLES = 0x63, + SCORPION_FIFO_FULLBLK_CMT = 0x64, + SCORPION_FAIL_COND_INST = 0x65, + SCORPION_PASS_COND_INST = 0x66, + SCORPION_ALLOW_VU_CLK = 0x67, + SCORPION_VU_IDLE = 0x68, + SCORPION_ALLOW_L2_CLK = 0x69, + SCORPION_L2_IDLE = 0x6a, + SCORPION_DTLB_IMPL_INV_SCTLR_DACR = 0x6b, + SCORPION_DTLB_EXPL_INV = 0x6c, + SCORPION_DTLB_MISS = 0x6d, + SCORPION_DTLB_ACCESS = 0x6e, + SCORPION_ITLB_MISS = 0x6f, + SCORPION_ITLB_IMPL_INV = 0x70, + SCORPION_ITLB_EXPL_INV = 0x71, + SCORPION_UTLB_D_MISS = 0x72, + SCORPION_UTLB_D_ACCESS = 0x73, + SCORPION_UTLB_I_MISS = 0x74, + SCORPION_UTLB_I_ACCESS = 0x75, + SCORPION_UTLB_INV_ASID = 0x76, + SCORPION_UTLB_INV_MVA = 0x77, + SCORPION_UTLB_INV_ALL = 0x78, + SCORPION_S2_HOLD_RDQ_UNAVAIL = 0x79, + SCORPION_S2_HOLD = 0x7a, + SCORPION_S2_HOLD_DEV_OP = 0x7b, + SCORPION_S2_HOLD_ORDER = 0x7c, + SCORPION_S2_HOLD_BARRIER = 0x7d, + SCORPION_VIU_DUAL_CYCLE = 0x7e, + SCORPION_VIU_SINGLE_CYCLE = 0x7f, + SCORPION_VX_PIPE_WAR_STALL_CYCLES = 0x80, + SCORPION_VX_PIPE_WAW_STALL_CYCLES = 0x81, + SCORPION_VX_PIPE_RAW_STALL_CYCLES = 0x82, + SCORPION_VX_PIPE_LOAD_USE_STALL = 0x83, + SCORPION_VS_PIPE_WAR_STALL_CYCLES = 0x84, + SCORPION_VS_PIPE_WAW_STALL_CYCLES = 0x85, + SCORPION_VS_PIPE_RAW_STALL_CYCLES = 0x86, + SCORPION_EXCEPTIONS_INV_OPERATION = 0x87, + SCORPION_EXCEPTIONS_DIV_BY_ZERO = 0x88, + SCORPION_COND_INST_FAIL_VX_PIPE = 0x89, + SCORPION_COND_INST_FAIL_VS_PIPE = 0x8a, + SCORPION_EXCEPTIONS_OVERFLOW = 0x8b, + SCORPION_EXCEPTIONS_UNDERFLOW = 0x8c, + SCORPION_EXCEPTIONS_DENORM = 0x8d, #ifdef CONFIG_ARCH_MSM_SCORPIONMP - SCORPIONMP_NUM_BARRIERS = 0x8e, - SCORPIONMP_BARRIER_CYCLES = 0x8f, + SCORPIONMP_NUM_BARRIERS = 0x8e, + SCORPIONMP_BARRIER_CYCLES = 0x8f, #else - SCORPION_BANK_AB_HIT = 0x8e, - SCORPION_BANK_AB_ACCESS = 0x8f, - SCORPION_BANK_CD_HIT = 0x90, - SCORPION_BANK_CD_ACCESS = 0x91, - SCORPION_BANK_AB_DSIDE_HIT = 0x92, - SCORPION_BANK_AB_DSIDE_ACCESS = 0x93, - SCORPION_BANK_CD_DSIDE_HIT = 0x94, - SCORPION_BANK_CD_DSIDE_ACCESS = 0x95, - SCORPION_BANK_AB_ISIDE_HIT = 0x96, - SCORPION_BANK_AB_ISIDE_ACCESS = 0x97, - SCORPION_BANK_CD_ISIDE_HIT = 0x98, - SCORPION_BANK_CD_ISIDE_ACCESS = 0x99, - SCORPION_ISIDE_RD_WAIT = 0x9a, - SCORPION_DSIDE_RD_WAIT = 0x9b, - SCORPION_BANK_BYPASS_WRITE = 0x9c, - SCORPION_BANK_AB_NON_CASTOUT = 0x9d, - SCORPION_BANK_AB_L2_CASTOUT = 0x9e, - SCORPION_BANK_CD_NON_CASTOUT = 0x9f, - SCORPION_BANK_CD_L2_CASTOUT = 0xa0, + SCORPION_BANK_AB_HIT = 0x8e, + SCORPION_BANK_AB_ACCESS = 0x8f, + SCORPION_BANK_CD_HIT = 0x90, + SCORPION_BANK_CD_ACCESS = 0x91, + SCORPION_BANK_AB_DSIDE_HIT = 0x92, + SCORPION_BANK_AB_DSIDE_ACCESS = 0x93, + SCORPION_BANK_CD_DSIDE_HIT = 0x94, + SCORPION_BANK_CD_DSIDE_ACCESS = 0x95, + SCORPION_BANK_AB_ISIDE_HIT = 0x96, + SCORPION_BANK_AB_ISIDE_ACCESS = 0x97, + SCORPION_BANK_CD_ISIDE_HIT = 0x98, + SCORPION_BANK_CD_ISIDE_ACCESS = 0x99, + SCORPION_ISIDE_RD_WAIT = 0x9a, + SCORPION_DSIDE_RD_WAIT = 0x9b, + SCORPION_BANK_BYPASS_WRITE = 0x9c, + SCORPION_BANK_AB_NON_CASTOUT = 0x9d, + SCORPION_BANK_AB_L2_CASTOUT = 0x9e, + SCORPION_BANK_CD_NON_CASTOUT = 0x9f, + SCORPION_BANK_CD_L2_CASTOUT = 0xa0, #endif MSM_MAX_EVT }; @@ -209,8 +209,8 @@ static const struct scorp_evt sc_evt[] = { {SCORPION_EXCEPTIONS_DENORM, 0x8c000000, 4, 0x5f}, #ifdef CONFIG_ARCH_MSM_SCORPIONMP - {SCORPIONMP_NUM_BARRIERS, 0x80000e00, 3, 0x59}, - {SCORPIONMP_BARRIER_CYCLES, 0x800e0000, 3, 0x5a}, + {SCORPIONMP_NUM_BARRIERS, 0x80000e00, 3, 0x59}, + {SCORPIONMP_BARRIER_CYCLES, 0x800e0000, 3, 0x5a}, #else {SCORPION_BANK_AB_HIT, 0x80000001, 3, 0x58}, {SCORPION_BANK_AB_ACCESS, 0x80000100, 3, 0x59}, @@ -375,8 +375,8 @@ static void scorpion_write_vlpm(u32 val) } struct scorpion_access_funcs { - u32 (*read) (void); - void (*write) (u32); + u32(*read)(void); + void (*write)(u32); }; struct scorpion_access_funcs scor_func[] = { @@ -395,7 +395,7 @@ static void scorpion_pre_vlpm(void) u32 venum_new_val; u32 fp_new_val; - /* CPACR Enable CP10 access*/ + /* CPACR Enable CP10 access */ asm volatile("mrc p15, 0, %0, c1, c0, 2" : "=r" (venum_orig_val)); venum_new_val = venum_orig_val | 0x00300000; asm volatile("mcr p15, 0, %0, c1, c0, 2" : : "r" (venum_new_val)); @@ -407,9 +407,9 @@ static void scorpion_pre_vlpm(void) static void scorpion_post_vlpm(void) { - /* Restore FPEXC*/ + /* Restore FPEXC */ asm volatile("mcr p10, 7, %0, c8, c0, 0" : : "r" (fp_orig_val)); - /* Restore CPACR*/ + /* Restore CPACR */ asm volatile("mcr p15, 0, %0, c1, c0, 2" : : "r" (venum_orig_val)); } @@ -464,7 +464,8 @@ static inline void scorpion_pmnc_write_evtsel(unsigned int cnt, u32 val) u32 zero = 0; struct scorp_evt evtinfo; // extract evtinfo.grp and evtinfo.tevt_type_act from val - if (get_scorpion_evtinfo(val, &evtinfo) == 0) return; + if (get_scorpion_evtinfo(val, &evtinfo) == 0) + return; asm volatile("mcr p15, 0, %0, c9, c13, 1" : : "r" (evtinfo.evt_type_act)); asm volatile("mcr p15, 0, %0, c9, c15, 0" : : "r" (zero)); scorpion_evt_setup(evtinfo.grp, val); @@ -482,7 +483,7 @@ static void scorpion_pmnc_reset_counter(unsigned int cnt) asm volatile("mcr p15, 0, %0, c9, c13, 0" : : "r" (val)); if (pmnc_enabled[cnt] != 0) - scorpion_pmnc_enable_counter(cnt); + scorpion_pmnc_enable_counter(cnt); } else if (cnt >= CNTMAX) { pr_err("gator: CPU%u resetting wrong PMNC counter %d\n", smp_processor_id(), cnt); @@ -490,10 +491,10 @@ static void scorpion_pmnc_reset_counter(unsigned int cnt) scorpion_pmnc_disable_counter(cnt); if (scorpion_pmnc_select_counter(cnt) == cnt) - asm volatile("mcr p15, 0, %0, c9, c13, 2" : : "r" (val)); + asm volatile("mcr p15, 0, %0, c9, c13, 2" : : "r" (val)); if (pmnc_enabled[cnt] != 0) - scorpion_pmnc_enable_counter(cnt); + scorpion_pmnc_enable_counter(cnt); } } @@ -507,14 +508,14 @@ static int gator_events_scorpion_create_files(struct super_block *sb, struct den if (i == 0) { snprintf(buf, sizeof buf, "%s_ccnt", pmnc_name); } else { - snprintf(buf, sizeof buf, "%s_cnt%d", pmnc_name, i-1); + snprintf(buf, sizeof buf, "%s_cnt%d", pmnc_name, i - 1); } dir = gatorfs_mkdir(sb, root, buf); if (!dir) { return -1; } gatorfs_create_ulong(sb, dir, "enabled", &pmnc_enabled[i]); - gatorfs_create_ro_ulong(sb, dir, "key", &pmnc_key[i]); + gatorfs_create_ro_ulong(sb, dir, "key", &pmnc_key[i]); if (i > 0) { gatorfs_create_ulong(sb, dir, "event", &pmnc_event[i]); } @@ -523,7 +524,7 @@ static int gator_events_scorpion_create_files(struct super_block *sb, struct den return 0; } -static int gator_events_scorpion_online(int** buffer) +static int gator_events_scorpion_online(int **buffer) { unsigned int cnt, len = 0, cpu = smp_processor_id(); @@ -562,13 +563,10 @@ static int gator_events_scorpion_online(int** buffer) // read the counters and toss the invalid data, return zero instead for (cnt = 0; cnt < pmnc_counters; cnt++) { if (pmnc_enabled[cnt]) { - int value; if (cnt == CCNT) { - value = scorpion_ccnt_read(); + scorpion_ccnt_read(); } else if (scorpion_pmnc_select_counter(cnt) == cnt) { - value = scorpion_cntn_read(); - } else { - value = 0; + scorpion_cntn_read(); } scorpion_pmnc_reset_counter(cnt); @@ -583,7 +581,7 @@ static int gator_events_scorpion_online(int** buffer) return len; } -static int gator_events_scorpion_offline(int** buffer) +static int gator_events_scorpion_offline(int **buffer) { scorpion_pmnc_write(scorpion_pmnc_read() & ~PMNC_E); return 0; @@ -657,7 +655,7 @@ int gator_events_scorpion_init(void) return -1; } - pmnc_counters++; // CNT[n] + CCNT + pmnc_counters++; // CNT[n] + CCNT for (cnt = CCNT; cnt < CNTMAX; cnt++) { pmnc_enabled[cnt] = 0; |