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[Qemu-devel] [PULL 12/30] target/arm: add "cortex-m0" CPU model
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 12/30] target/arm: add "cortex-m0" CPU model |
Date: |
Thu, 16 Aug 2018 14:34:20 +0100 |
From: Stefan Hajnoczi <address@hidden>
Define a "cortex-m0" ARMv6-M CPU model.
Most of the register reset values set by other CPU models are not
relevant for the cut-down ARMv6-M architecture.
Signed-off-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
target/arm/cpu.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index a4d46db13ae..258ba6dcaad 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1255,6 +1255,15 @@ static void arm11mpcore_initfn(Object *obj)
cpu->reset_auxcr = 1;
}
+static void cortex_m0_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+ set_feature(&cpu->env, ARM_FEATURE_V6);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+
+ cpu->midr = 0x410cc200;
+}
+
static void cortex_m3_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
@@ -1845,6 +1854,8 @@ static const ARMCPUInfo arm_cpus[] = {
{ .name = "arm1136", .initfn = arm1136_initfn },
{ .name = "arm1176", .initfn = arm1176_initfn },
{ .name = "arm11mpcore", .initfn = arm11mpcore_initfn },
+ { .name = "cortex-m0", .initfn = cortex_m0_initfn,
+ .class_init = arm_v7m_class_init },
{ .name = "cortex-m3", .initfn = cortex_m3_initfn,
.class_init = arm_v7m_class_init },
{ .name = "cortex-m4", .initfn = cortex_m4_initfn,
--
2.18.0
- [Qemu-devel] [PULL 02/30] target/arm: Fix sign-extension in sve do_ldr/do_str, (continued)
- [Qemu-devel] [PULL 02/30] target/arm: Fix sign-extension in sve do_ldr/do_str, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 03/30] target/arm: Fix offset for LD1R instructions, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 08/30] i.MX6UL: Add i.MX6UL specific CCM device, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 09/30] i.MX6UL: Add i.MX6UL SOC, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 11/30] hw/arm: make bitbanded IO optional on ARMv7-M, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 13/30] loader: extract rom_free() function, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 14/30] loader: add rom transaction API, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 16/30] Add QTest testcase for the Intel Hexadecimal, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 20/30] aspeed_sdmc: Set 'cache initial sequence' always true, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 21/30] aspeed_sdmc: Init status always idle, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 12/30] target/arm: add "cortex-m0" CPU model,
Peter Maydell <=
- [Qemu-devel] [PULL 01/30] target/arm: Fix typo in helper_sve_ld1hss_r, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 22/30] aspeed_sdmc: Handle ECC training, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 25/30] target/arm: Ignore float_flag_input_denormal from fp_status_f16, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 17/30] imx_spi: Unset XCH when TX FIFO becomes empty, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 24/30] target/arm: Adjust FPCR_MASK for FZ16, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 23/30] aspeed: add a max_ram_size property to the memory controller, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 15/30] loader: Implement .hex file loader, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 18/30] aspeed_sdmc: Extend number of valid registers, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 19/30] aspeed_sdmc: Fix saved values, Peter Maydell, 2018/08/16
- [Qemu-devel] [PULL 26/30] target/arm: Use fp_status_fp16 for do_fmpa_zpzzz_h, Peter Maydell, 2018/08/16