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target/arm: Add Cortex-M33

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Add a Cortex-M33 definition. The M33 is an M profile CPU
which implements the ARM v8M architecture, including the
M profile Security Extension.

Backports commit c7b26382fee8b745c6e903c85281babf30c2cb7c from qemu
This commit is contained in:
Peter Maydell 2018-03-08 23:11:01 -05:00 committed by Lioncash
parent bd606401dc
commit e917a1ac0e
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 30 additions and 0 deletions
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30
qemu/target/arm/cpu.c
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@ -990,6 +990,35 @@ static void cortex_m4_initfn(struct uc_struct *uc, Object *obj, void *opaque)
cpu->id_isar5 = 0x00000000;
}
static void cortex_m33_initfn(struct uc_struct *uc, Object *obj, void *opaque)
{
ARMCPU *cpu = ARM_CPU(uc, obj);
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_M);
set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
cpu->midr = 0x410fd213; /* r0p3 */
cpu->pmsav7_dregion = 16;
cpu->sau_sregion = 8;
cpu->id_pfr0 = 0x00000030;
cpu->id_pfr1 = 0x00000210;
cpu->id_dfr0 = 0x00200000;
cpu->id_afr0 = 0x00000000;
cpu->id_mmfr0 = 0x00101F40;
cpu->id_mmfr1 = 0x00000000;
cpu->id_mmfr2 = 0x01000000;
cpu->id_mmfr3 = 0x00000000;
cpu->id_isar0 = 0x01101110;
cpu->id_isar1 = 0x02212000;
cpu->id_isar2 = 0x20232232;
cpu->id_isar3 = 0x01111131;
cpu->id_isar4 = 0x01310132;
cpu->id_isar5 = 0x00000000;
cpu->clidr = 0x00000000;
cpu->ctr = 0x8000c000;
}
static void arm_v7m_class_init(struct uc_struct *uc, ObjectClass *oc, void *data)
{
CPUClass *cc = CPU_CLASS(uc, oc);
@ -1472,6 +1501,7 @@ static const ARMCPUInfo arm_cpus[] = {
{ "arm11mpcore", arm11mpcore_initfn },
{ "cortex-m3", cortex_m3_initfn, arm_v7m_class_init },
{ "cortex-m4", cortex_m4_initfn, arm_v7m_class_init },
{ "cortex-m33", cortex_m33_initfn, arm_v7m_class_init },
{ "cortex-r5", cortex_r5_initfn },
{ "cortex-a7", cortex_a7_initfn },
{ "cortex-a8", cortex_a8_initfn },