From patchwork Sun Apr 15 13:45:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 7856 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id B543C23E47 for ; Sun, 15 Apr 2012 13:46:54 +0000 (UTC) Received: from mail-iy0-f180.google.com (mail-iy0-f180.google.com [209.85.210.180]) by fiordland.canonical.com (Postfix) with ESMTP id 7B0CDA181B4 for ; Sun, 15 Apr 2012 13:46:54 +0000 (UTC) Received: by mail-iy0-f180.google.com with SMTP id e36so8543068iag.11 for ; Sun, 15 Apr 2012 06:46:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-forwarded-to:x-forwarded-for:delivered-to:received-spf:from:to:cc :subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=IgCUq+3PVFFouusQlJBtYBEoVoTa9rnD9u4avKsRhzc=; b=Um9ejsJbVhgek3hP6ddGUFVRo1WY23urmu/OIj2lDZqFZRAm24MAtT8xvmDmwTZ6bK gOyhUHgfMuP5z6vWYJAy2Fm+g/XsBhIgmsFLnZSI7N3ZzBzcZM9bsH4tQLCegm0jAyOk ChBPYIolsxLlHcKrwP4KCNfO//VZjezaCXrvuJEj239JuWK51JigtzcdbDIYQrF0+wwk ilxal5bn6ei+/IaP/kngY2jq5Cy2O1a6VoQBT1CykTLb3YOWKSMJaxo8Ddt0OfWfGqUU nlxqdFyp0JaPRXJbCaza3x59eCYoemm19LC3V+hDv8vM8dgGhvkPtszWwuDuncTnCGOw A9hw== Received: by 10.42.141.72 with SMTP id n8mr4872669icu.47.1334497614277; Sun, 15 Apr 2012 06:46:54 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.231.70.69 with SMTP id c5csp22260ibj; Sun, 15 Apr 2012 06:46:53 -0700 (PDT) Received: by 10.205.138.9 with SMTP id iq9mr2428125bkc.139.1334497612933; Sun, 15 Apr 2012 06:46:52 -0700 (PDT) Received: from mnementh.archaic.org.uk (mnementh.archaic.org.uk. [81.2.115.146]) by mx.google.com with ESMTPS id ea7si5695024bkb.135.2012.04.15.06.46.51 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 15 Apr 2012 06:46:52 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of pm215@archaic.org.uk designates 81.2.115.146 as permitted sender) client-ip=81.2.115.146; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of pm215@archaic.org.uk designates 81.2.115.146 as permitted sender) smtp.mail=pm215@archaic.org.uk Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.72) (envelope-from ) id 1SJPmc-0000EZ-1G; Sun, 15 Apr 2012 14:46:26 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Cc: patches@linaro.org, =?UTF-8?q?Andreas=20F=C3=A4rber?= , Paul Brook Subject: [PATCH 02/32] hw/pxa2xx: Convert cp14 perf registers to new scheme Date: Sun, 15 Apr 2012 14:45:55 +0100 Message-Id: <1334497585-867-3-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1334497585-867-1-git-send-email-peter.maydell@linaro.org> References: <1334497585-867-1-git-send-email-peter.maydell@linaro.org> X-Gm-Message-State: ALoCoQkdtAYLxXATfoBBPyzn/DgQyFpwuZnAXUh0H46Q8rBX8+lN7DXfvWhU4Rtte6YPWY75aX2l Convert the PXA2xx cp14 perf registers from old-style coprocessor hooks to the new scheme. Signed-off-by: Peter Maydell --- hw/pxa2xx.c | 142 +++++++++++++++++++++++++--------------------------------- 1 files changed, 61 insertions(+), 81 deletions(-) diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c index ddaa846..38d5b0e 100644 --- a/hw/pxa2xx.c +++ b/hw/pxa2xx.c @@ -324,80 +324,11 @@ static void pxa2xx_clkpwr_write(void *opaque, int op2, int reg, int crm, } } -/* Performace Monitoring Registers */ -#define CPPMNC 0 /* Performance Monitor Control register */ -#define CPCCNT 1 /* Clock Counter register */ -#define CPINTEN 4 /* Interrupt Enable register */ -#define CPFLAG 5 /* Overflow Flag register */ -#define CPEVTSEL 8 /* Event Selection register */ - -#define CPPMN0 0 /* Performance Count register 0 */ -#define CPPMN1 1 /* Performance Count register 1 */ -#define CPPMN2 2 /* Performance Count register 2 */ -#define CPPMN3 3 /* Performance Count register 3 */ - -static uint32_t pxa2xx_perf_read(void *opaque, int op2, int reg, int crm) -{ - PXA2xxState *s = (PXA2xxState *) opaque; - - switch (reg) { - case CPPMNC: - return s->pmnc; - case CPCCNT: - if (s->pmnc & 1) - return qemu_get_clock_ns(vm_clock); - else - return 0; - case CPINTEN: - case CPFLAG: - case CPEVTSEL: - return 0; - - default: - printf("%s: Bad register 0x%x\n", __FUNCTION__, reg); - break; - } - return 0; -} - -static void pxa2xx_perf_write(void *opaque, int op2, int reg, int crm, - uint32_t value) -{ - PXA2xxState *s = (PXA2xxState *) opaque; - - switch (reg) { - case CPPMNC: - s->pmnc = value; - break; - - case CPCCNT: - case CPINTEN: - case CPFLAG: - case CPEVTSEL: - break; - - default: - printf("%s: Bad register 0x%x\n", __FUNCTION__, reg); - break; - } -} - static uint32_t pxa2xx_cp14_read(void *opaque, int op2, int reg, int crm) { switch (crm) { case 0: return pxa2xx_clkpwr_read(opaque, op2, reg, crm); - case 1: - return pxa2xx_perf_read(opaque, op2, reg, crm); - case 2: - switch (reg) { - case CPPMN0: - case CPPMN1: - case CPPMN2: - case CPPMN3: - return 0; - } - /* Fall through */ default: printf("%s: Bad register 0x%x\n", __FUNCTION__, reg); break; @@ -412,24 +343,71 @@ static void pxa2xx_cp14_write(void *opaque, int op2, int reg, int crm, case 0: pxa2xx_clkpwr_write(opaque, op2, reg, crm, value); break; - case 1: - pxa2xx_perf_write(opaque, op2, reg, crm, value); - break; - case 2: - switch (reg) { - case CPPMN0: - case CPPMN1: - case CPPMN2: - case CPPMN3: - return; - } - /* Fall through */ default: printf("%s: Bad register 0x%x\n", __FUNCTION__, reg); break; } } +static int pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t *value) +{ + PXA2xxState *s = (PXA2xxState *)ri->opaque; + *value = s->pmnc; + return 0; +} + +static int pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + PXA2xxState *s = (PXA2xxState *)ri->opaque; + s->pmnc = value; + return 0; +} + +static int pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t *value) +{ + PXA2xxState *s = (PXA2xxState *)ri->opaque; + if (s->pmnc & 1) { + *value = qemu_get_clock_ns(vm_clock); + } else { + *value = 0; + } + return 0; +} + +static const ARMCPRegInfo pxa_cp_reginfo[] = { + /* cp14 crn==1: perf registers */ + { .name = "CPPMNC", .cp = 14, .crn = 1, .crm = 0, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, + .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write }, + { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, + .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore }, + { .name = "CPINTEN", .cp = 14, .crn = 1, .crm = 4, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "CPFLAG", .cp = 14, .crn = 1, .crm = 5, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "CPEVTSEL", .cp = 14, .crn = 1, .crm = 8, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + /* cp14 crn==2: performance count registers */ + { .name = "CPPMN0", .cp = 14, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "CPPMN1", .cp = 14, .crn = 2, .crm = 1, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + REGINFO_SENTINEL +}; + +static void pxa2xx_setup_cp14(PXA2xxState *s) +{ + define_arm_cp_regs_with_opaque(s->env, pxa_cp_reginfo, s); +} + #define MDCNFG 0x00 /* SDRAM Configuration register */ #define MDREFR 0x04 /* SDRAM Refresh Control register */ #define MSC0 0x08 /* Static Memory Control register 0 */ @@ -2134,6 +2112,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space, vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s); + pxa2xx_setup_cp14(s); s->mm_base = 0x48000000; s->mm_regs[MDMRS >> 2] = 0x00020002; @@ -2265,6 +2244,7 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size) vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s); + pxa2xx_setup_cp14(s); s->mm_base = 0x48000000; s->mm_regs[MDMRS >> 2] = 0x00020002;