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[Qemu-devel] [RFC v2 1/2] target-arm: Prepare support for Cortex-R4
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [RFC v2 1/2] target-arm: Prepare support for Cortex-R4 |
Date: |
Sat, 22 Sep 2012 13:45:53 +0200 |
Glue "cortex-r4" to r1p4, the latest available TRM.
Set MPU and Thumb division feature bit.
Signed-off-by: Andreas Färber <address@hidden>
---
target-arm/cpu.c | 24 ++++++++++++++++++++++++
1 Datei geändert, 24 Zeilen hinzugefügt(+)
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index b00f5fa..6726498 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -382,6 +382,29 @@ static void cortex_m3_initfn(Object *obj)
cpu->midr = 0x410fc231;
}
+static void cortex_r4_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+ set_feature(&cpu->env, ARM_FEATURE_V7);
+ set_feature(&cpu->env, ARM_FEATURE_THUMB_DIV);
+ set_feature(&cpu->env, ARM_FEATURE_MPU);
+ cpu->midr = 0x411FC144; /* r1p4 */
+ cpu->id_pfr0 = 0x0131;
+ cpu->id_pfr1 = 0x001;
+ cpu->id_dfr0 = 0x010400;
+ cpu->id_afr0 = 0x0;
+ cpu->id_mmfr0 = 0x0210030;
+ cpu->id_mmfr1 = 0x00000000;
+ cpu->id_mmfr2 = 0x01200000;
+ cpu->id_mmfr3 = 0x0211;
+ cpu->id_isar0 = 0x1101111;
+ cpu->id_isar1 = 0x13112111;
+ cpu->id_isar2 = 0x21232131;
+ cpu->id_isar3 = 0x01112131;
+ cpu->id_isar4 = 0x0010142;
+ cpu->id_isar5 = 0x0;
+}
+
static const ARMCPRegInfo cortexa8_cp_reginfo[] = {
{ .name = "L2LOCKDOWN", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 0,
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
@@ -737,6 +760,7 @@ static const ARMCPUInfo arm_cpus[] = {
{ .name = "arm1176", .initfn = arm1176_initfn },
{ .name = "arm11mpcore", .initfn = arm11mpcore_initfn },
{ .name = "cortex-m3", .initfn = cortex_m3_initfn },
+ { .name = "cortex-r4", .initfn = cortex_r4_initfn },
{ .name = "cortex-a8", .initfn = cortex_a8_initfn },
{ .name = "cortex-a9", .initfn = cortex_a9_initfn },
{ .name = "cortex-a15", .initfn = cortex_a15_initfn },
--
1.7.10.4
Re: [Qemu-devel] ARM Cortex-R4 support ?, Giancarlo ASNAGHI, 2012/09/24
Re: [Qemu-devel] ARM Cortex-R4 support ?, Giancarlo ASNAGHI, 2012/09/25