| hwpmc_mips24k.c (204635) | hwpmc_mips24k.c (227395) |
|---|---|
| 1/*- 2 * Copyright (c) 2010 George V. Neville-Neil <gnn@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2010 George V. Neville-Neil <gnn@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/dev/hwpmc/hwpmc_mips24k.c 204635 2010-03-03 15:05:58Z gnn $"); | 29__FBSDID("$FreeBSD: head/sys/dev/hwpmc/hwpmc_mips24k.c 227395 2011-11-09 17:38:27Z adrian $"); |
| 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/pmc.h> 34#include <sys/pmckern.h> 35 36#include <machine/cpu.h> 37#include <machine/cpufunc.h> --- 211 unchanged lines hidden (view full) --- 249 250 if (caps & PMC_CAP_SYSTEM) 251 config |= (MIPS24K_PMC_SUPER_ENABLE | 252 MIPS24K_PMC_KERNEL_ENABLE); 253 if (caps & PMC_CAP_USER) 254 config |= MIPS24K_PMC_USER_ENABLE; 255 if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0) 256 config |= MIPS24K_PMC_ENABLE; | 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/pmc.h> 34#include <sys/pmckern.h> 35 36#include <machine/cpu.h> 37#include <machine/cpufunc.h> --- 211 unchanged lines hidden (view full) --- 249 250 if (caps & PMC_CAP_SYSTEM) 251 config |= (MIPS24K_PMC_SUPER_ENABLE | 252 MIPS24K_PMC_KERNEL_ENABLE); 253 if (caps & PMC_CAP_USER) 254 config |= MIPS24K_PMC_USER_ENABLE; 255 if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0) 256 config |= MIPS24K_PMC_ENABLE; |
| 257 if (caps & PMC_CAP_INTERRUPT) 258 config |= MIPS24K_PMC_INTERRUPT_ENABLE; |
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| 257 258 pm->pm_md.pm_mips24k.pm_mips24k_evsel = config; 259 260 PMCDBG(MDP,ALL,2,"mips-allocate ri=%d -> config=0x%x", ri, config); 261 262 return 0; 263} 264 --- 134 unchanged lines hidden (view full) --- 399 ("[mips,%d] PHW pmc %p non-NULL", __LINE__, phw->phw_pmc)); 400 401 return 0; 402} 403 404static int 405mips24k_intr(int cpu, struct trapframe *tf) 406{ | 259 260 pm->pm_md.pm_mips24k.pm_mips24k_evsel = config; 261 262 PMCDBG(MDP,ALL,2,"mips-allocate ri=%d -> config=0x%x", ri, config); 263 264 return 0; 265} 266 --- 134 unchanged lines hidden (view full) --- 401 ("[mips,%d] PHW pmc %p non-NULL", __LINE__, phw->phw_pmc)); 402 403 return 0; 404} 405 406static int 407mips24k_intr(int cpu, struct trapframe *tf) 408{ |
| 407 return 0; | 409 int error; 410 int retval, ri; 411 struct pmc *pm; 412 struct mips24k_cpu *pc; 413 uint32_t r, r0, r2; 414 415 KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), 416 ("[mips24k,%d] CPU %d out of range", __LINE__, cpu)); 417 418 retval = 0; 419 pc = mips24k_pcpu[cpu]; 420 421 /* Stop PMCs without clearing the counter */ 422 r0 = mips_rd_perfcnt0(); 423 mips_wr_perfcnt0(r0 & ~(0x1f)); 424 r2 = mips_rd_perfcnt2(); 425 mips_wr_perfcnt2(r2 & ~(0x1f)); 426 427 for (ri = 0; ri < mips24k_npmcs; ri++) { 428 pm = mips24k_pcpu[cpu]->pc_mipspmcs[ri].phw_pmc; 429 if (pm == NULL) 430 continue; 431 if (! PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm))) 432 continue; 433 434 r = mips24k_pmcn_read(ri); 435 436 /* If bit 31 is set, the counter has overflowed */ 437 if ((r & 0x80000000) == 0) 438 continue; 439 440 retval = 1; 441 if (pm->pm_state != PMC_STATE_RUNNING) 442 continue; 443 error = pmc_process_interrupt(cpu, pm, tf, 444 TRAPF_USERMODE(tf)); 445 if (error) { 446 /* Clear/disable the relevant counter */ 447 if (ri == 0) 448 r0 = 0; 449 else if (ri == 1) 450 r2 = 0; 451 mips24k_stop_pmc(cpu, ri); 452 } 453 454 /* Reload sampling count */ 455 mips24k_write_pmc(cpu, ri, pm->pm_sc.pm_reloadcount); 456 } 457 458 /* 459 * Re-enable the PMC counters where they left off. 460 * 461 * Any counter which overflowed will have its sample count 462 * reloaded in the loop above. 463 */ 464 mips_wr_perfcnt0(r0); 465 mips_wr_perfcnt2(r2); 466 467 return retval; |
| 408} 409 410static int 411mips24k_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc) 412{ 413 int error; 414 struct pmc_hw *phw; 415 char mips24k_name[PMC_NAME_MAX]; --- 155 unchanged lines hidden --- | 468} 469 470static int 471mips24k_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc) 472{ 473 int error; 474 struct pmc_hw *phw; 475 char mips24k_name[PMC_NAME_MAX]; --- 155 unchanged lines hidden --- |