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arm: Adjust cortex-m7 support to reflect its ARMv7-M architecture.

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The cortex-m7 is an implementation of armv7-m.  Adjust the Kconfig
support for cortex-m7 to reflect this and drop the unnecessary,
explicit, conditional compilation.

Change-Id: I6ec20e69c8c83c5a80b1f714506f7f9e295b15d5
Signed-off-by: Marcus Shawcroft <marcus.shawcroft@arm.com>
This commit is contained in:
Marcus Shawcroft 2016-12-31 14:41:19 +00:00 • committed by Kumar Gala
commit 84cb997c62
16 changed files with 46 additions and 49 deletions
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7
arch/arm/core/cortex_m/Kconfig
View file

@ -111,11 +111,8 @@ config CPU_CORTEX_M4
config CPU_CORTEX_M7
bool
# Omit prompt to signify "hidden" option
select ARMV7_M
default n
select ATOMIC_OPERATIONS_BUILTIN
select ISA_THUMB2
select CPU_CORTEX_M_HAS_BASEPRI
select CPU_CORTEX_M_HAS_PROGRAMMABLE_FAULT_PRIOS
help
This option signifies the use of a Cortex-M7 CPU
@ -211,7 +208,7 @@ config FLASH_BASE_ADDRESS
endmenu
menu "ARM Cortex-M0/M0+/M3/M4/M7 options"
depends on ARMV6_M || ARMV7_M || CPU_CORTEX_M7
depends on ARMV6_M || ARMV7_M
config IRQ_OFFLOAD
bool "Enable IRQ offload"

2
arch/arm/core/cortex_m/reset.S
View file

@ -74,7 +74,7 @@ SECTION_SUBSEC_FUNC(TEXT,_reset_section,__start)
/* lock interrupts: will get unlocked when switch to main task */
#if defined(CONFIG_ARMV6_M)
cpsid i
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
movs.n r0, #_EXC_IRQ_DEFAULT_PRIO
msr BASEPRI, r0
#else

2
arch/arm/core/cortex_m/scb.c
View file

@ -91,7 +91,7 @@ void sys_arch_reboot(int type)
}
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/**
*
* @brief Set the number of priority groups based on the number of exception

2
arch/arm/core/cortex_m/vector_table.S
View file

@ -66,7 +66,7 @@ SECTION_SUBSEC_FUNC(exc_vector_table,_vector_table_section,__start)
.word __reserved
.word __reserved /* SVC not used for now (PendSV used instead) */
.word __reserved
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
.word __mpu_fault
.word __bus_fault
.word __usage_fault

2
arch/arm/core/cortex_m/vector_table.h
View file

@ -49,7 +49,7 @@ GTEXT(__reset)
GTEXT(__nmi)
GTEXT(__hard_fault)
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
GTEXT(__mpu_fault)
GTEXT(__bus_fault)
GTEXT(__usage_fault)

4
arch/arm/core/cpu_idle.S
View file

@ -129,7 +129,7 @@ SECTION_FUNC(TEXT, k_cpu_idle)
#if defined(CONFIG_ARMV6_M)
cpsie i
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/* clear BASEPRI so wfi is awakened by incoming interrupts */
eors.n r0, r0
msr BASEPRI, r0
@ -193,7 +193,7 @@ SECTION_FUNC(TEXT, k_cpu_atomic_idle)
cpsie i
_irq_disabled:
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/* r1: zero, for setting BASEPRI (needs a register) */
eors.n r1, r1

10
arch/arm/core/fault.c
View file

@ -70,7 +70,7 @@ void _FaultDump(const NANO_ESF *esf, int fault)
esf->pc);
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
int escalation = 0;
if (3 == fault) { /* hard fault */
@ -124,7 +124,7 @@ static void _FaultThreadShow(const NANO_ESF *esf)
}
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/**
*
@ -266,7 +266,7 @@ static void _HardFault(const NANO_ESF *esf)
#if defined(CONFIG_ARMV6_M)
_FaultThreadShow(esf);
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
if (_ScbHardFaultIsBusErrOnVectorRead()) {
PR_EXC(" Bus fault on vector table read\n");
} else if (_ScbHardFaultIsForced()) {
@ -327,7 +327,7 @@ static void _FaultDump(const NANO_ESF *esf, int fault)
_HardFault(esf);
break;
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
case 4:
_MpuFault(esf, 0);
break;
@ -388,7 +388,7 @@ void _Fault(const NANO_ESF *esf)
void _FaultInit(void)
{
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
_ScbDivByZeroFaultEnable();
#else
#error Unknown ARM architecture

6
arch/arm/core/fault_s.S
View file

@ -33,7 +33,7 @@ GTEXT(_Fault)
GTEXT(__hard_fault)
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
GTEXT(__mpu_fault)
GTEXT(__bus_fault)
GTEXT(__usage_fault)
@ -68,7 +68,7 @@ GTEXT(__reserved)
SECTION_SUBSEC_FUNC(TEXT,__fault,__hard_fault)
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
SECTION_SUBSEC_FUNC(TEXT,__fault,__mpu_fault)
SECTION_SUBSEC_FUNC(TEXT,__fault,__bus_fault)
SECTION_SUBSEC_FUNC(TEXT,__fault,__usage_fault)
@ -95,7 +95,7 @@ _stack_frame_msp:
mrs r0, MSP
_stack_frame_endif:
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/* force unlock interrupts */
eors.n r0, r0
msr BASEPRI, r0

6
arch/arm/core/isr_wrapper.S
View file

@ -88,7 +88,7 @@ SECTION_FUNC(TEXT, _isr_wrapper)
blx _sys_power_save_idle_exit
_idle_state_cleared:
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
ittt ne
movne r1, #0
/* clear kernel idle state */
@ -106,7 +106,7 @@ _idle_state_cleared:
ldr r1, =16
subs r0, r1 /* get IRQ number */
lsls r0, #3 /* table is 8-byte wide */
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
sub r0, r0, #16 /* get IRQ number */
lsl r0, r0, #3 /* table is 8-byte wide */
#else
@ -122,7 +122,7 @@ _idle_state_cleared:
#if defined(CONFIG_ARMV6_M)
pop {r3}
mov lr, r3
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
pop {lr}
#else
#error Unknown ARM architecture

12
arch/arm/core/swap.S
View file

@ -33,7 +33,7 @@ _ASM_FILE_PROLOGUE
GTEXT(_Swap)
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
GTEXT(__svc)
#else
#error Unknown ARM architecture
@ -88,7 +88,7 @@ SECTION_FUNC(TEXT, __pendsv)
mov r7, ip
/* store r8-12 */
stmea r0!, {r3-r7}
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
stmia r0, {v1-v8, ip}
#ifdef CONFIG_FP_SHARING
add r0, r2, #_thread_offset_to_preempt_float
@ -111,7 +111,7 @@ SECTION_FUNC(TEXT, __pendsv)
/* protect the kernel state while we play with the thread lists */
#if defined(CONFIG_ARMV6_M)
cpsid i
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
movs.n r0, #_EXC_IRQ_DEFAULT_PRIO
msr BASEPRI, r0
#else
@ -170,7 +170,7 @@ _thread_irq_disabled:
/* restore r4-r7, go back 9*4 bytes to the start of the stored block */
subs r0, #36
ldmia r0!, {r4-r7}
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/* restore BASEPRI for the incoming thread */
msr BASEPRI, r0
@ -192,7 +192,7 @@ _thread_irq_disabled:
bx lr
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
/**
*
* @brief Service call handler
@ -316,7 +316,7 @@ SECTION_FUNC(TEXT, _Swap)
* of a higher priority pending.
*/
cpsie i
#elif defined(CONFIG_ARMV7_M) || defined(CONFIG_CPU_CORTEX_M7)
#elif defined(CONFIG_ARMV7_M)
svc #0
#else
#error Unknown ARM architecture