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Alfred Gedeon 2020-07-01 22:27:40 -07:00 • committed by alfred gedeon
parent a5dbc2b1de
commit 718178c68a
406 changed files with 108795 additions and 106323 deletions
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94
portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c
View file

@ -30,61 +30,61 @@
/* Secure port macros. */
#include "secure_port_macros.h"
#if( configENABLE_FPU == 1 )
#error Cortex-M23 does not have a Floating Point Unit (FPU) and therefore configENABLE_FPU must be set to 0.
#if ( configENABLE_FPU == 1 )
#error Cortex-M23 does not have a Floating Point Unit (FPU) and therefore configENABLE_FPU must be set to 0.
#endif
secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle )
{
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n" /* r1 = IPSR. */
" cbz r1, load_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */
" ldmia r0!, {r1, r2} \n" /* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */
#if( configENABLE_MPU == 1 )
" ldmia r1!, {r3} \n" /* Read CONTROL register value from task's stack. r3 = CONTROL. */
" msr control, r3 \n" /* CONTROL = r3. */
#endif /* configENABLE_MPU */
" msr psplim, r2 \n" /* PSPLIM = r2. */
" msr psp, r1 \n" /* PSP = r1. */
" \n"
" load_ctx_therad_mode: \n"
" nop \n"
" \n"
:::"r0", "r1", "r2"
);
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n"/* r1 = IPSR. */
" cbz r1, load_ctx_therad_mode \n"/* Do nothing if the processor is running in the Thread Mode. */
" ldmia r0!, {r1, r2} \n"/* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */
#if ( configENABLE_MPU == 1 )
" ldmia r1!, {r3} \n"/* Read CONTROL register value from task's stack. r3 = CONTROL. */
" msr control, r3 \n"/* CONTROL = r3. */
#endif /* configENABLE_MPU */
" msr psplim, r2 \n"/* PSPLIM = r2. */
" msr psp, r1 \n"/* PSP = r1. */
" \n"
" load_ctx_therad_mode: \n"
" nop \n"
" \n"
::: "r0", "r1", "r2"
);
}
/*-----------------------------------------------------------*/
secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle )
{
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n" /* r1 = IPSR. */
" cbz r1, save_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */
" mrs r1, psp \n" /* r1 = PSP. */
#if( configENABLE_MPU == 1 )
" mrs r2, control \n" /* r2 = CONTROL. */
" subs r1, r1, #4 \n" /* Make space for the CONTROL value on the stack. */
" str r1, [r0] \n" /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */
" stmia r1!, {r2} \n" /* Store CONTROL value on the stack. */
#else /* configENABLE_MPU */
" str r1, [r0] \n" /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */
#endif /* configENABLE_MPU */
" movs r1, %0 \n" /* r1 = securecontextNO_STACK. */
" msr psplim, r1 \n" /* PSPLIM = securecontextNO_STACK. */
" msr psp, r1 \n" /* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */
" \n"
" save_ctx_therad_mode: \n"
" nop \n"
" \n"
:: "i" ( securecontextNO_STACK ) : "r1", "memory"
);
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n"/* r1 = IPSR. */
" cbz r1, save_ctx_therad_mode \n"/* Do nothing if the processor is running in the Thread Mode. */
" mrs r1, psp \n"/* r1 = PSP. */
#if ( configENABLE_MPU == 1 )
" mrs r2, control \n"/* r2 = CONTROL. */
" subs r1, r1, #4 \n"/* Make space for the CONTROL value on the stack. */
" str r1, [r0] \n"/* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */
" stmia r1!, {r2} \n"/* Store CONTROL value on the stack. */
#else /* configENABLE_MPU */
" str r1, [r0] \n"/* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */
#endif /* configENABLE_MPU */
" movs r1, %0 \n"/* r1 = securecontextNO_STACK. */
" msr psplim, r1 \n"/* PSPLIM = securecontextNO_STACK. */
" msr psp, r1 \n"/* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */
" \n"
" save_ctx_therad_mode: \n"
" nop \n"
" \n"
::"i" ( securecontextNO_STACK ) : "r1", "memory"
);
}
/*-----------------------------------------------------------*/

92
portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c
View file

@ -32,56 +32,56 @@
secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle )
{
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n" /* r1 = IPSR. */
" cbz r1, load_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */
" ldmia r0!, {r1, r2} \n" /* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */
#if( configENABLE_MPU == 1 )
" ldmia r1!, {r3} \n" /* Read CONTROL register value from task's stack. r3 = CONTROL. */
" msr control, r3 \n" /* CONTROL = r3. */
#endif /* configENABLE_MPU */
" msr psplim, r2 \n" /* PSPLIM = r2. */
" msr psp, r1 \n" /* PSP = r1. */
" \n"
" load_ctx_therad_mode: \n"
" nop \n"
" \n"
:::"r0", "r1", "r2"
);
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n"/* r1 = IPSR. */
" cbz r1, load_ctx_therad_mode \n"/* Do nothing if the processor is running in the Thread Mode. */
" ldmia r0!, {r1, r2} \n"/* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */
#if ( configENABLE_MPU == 1 )
" ldmia r1!, {r3} \n"/* Read CONTROL register value from task's stack. r3 = CONTROL. */
" msr control, r3 \n"/* CONTROL = r3. */
#endif /* configENABLE_MPU */
" msr psplim, r2 \n"/* PSPLIM = r2. */
" msr psp, r1 \n"/* PSP = r1. */
" \n"
" load_ctx_therad_mode: \n"
" nop \n"
" \n"
::: "r0", "r1", "r2"
);
}
/*-----------------------------------------------------------*/
secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle )
{
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n" /* r1 = IPSR. */
" cbz r1, save_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */
" mrs r1, psp \n" /* r1 = PSP. */
#if( configENABLE_FPU == 1 )
" vstmdb r1!, {s0} \n" /* Trigger the defferred stacking of FPU registers. */
" vldmia r1!, {s0} \n" /* Nullify the effect of the pervious statement. */
#endif /* configENABLE_FPU */
#if( configENABLE_MPU == 1 )
" mrs r2, control \n" /* r2 = CONTROL. */
" stmdb r1!, {r2} \n" /* Store CONTROL value on the stack. */
#endif /* configENABLE_MPU */
" str r1, [r0] \n" /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */
" movs r1, %0 \n" /* r1 = securecontextNO_STACK. */
" msr psplim, r1 \n" /* PSPLIM = securecontextNO_STACK. */
" msr psp, r1 \n" /* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */
" \n"
" save_ctx_therad_mode: \n"
" nop \n"
" \n"
:: "i" ( securecontextNO_STACK ) : "r1", "memory"
);
/* xSecureContextHandle value is in r0. */
__asm volatile
(
" .syntax unified \n"
" \n"
" mrs r1, ipsr \n"/* r1 = IPSR. */
" cbz r1, save_ctx_therad_mode \n"/* Do nothing if the processor is running in the Thread Mode. */
" mrs r1, psp \n"/* r1 = PSP. */
#if ( configENABLE_FPU == 1 )
" vstmdb r1!, {s0} \n"/* Trigger the defferred stacking of FPU registers. */
" vldmia r1!, {s0} \n"/* Nullify the effect of the pervious statement. */
#endif /* configENABLE_FPU */
#if ( configENABLE_MPU == 1 )
" mrs r2, control \n"/* r2 = CONTROL. */
" stmdb r1!, {r2} \n"/* Store CONTROL value on the stack. */
#endif /* configENABLE_MPU */
" str r1, [r0] \n"/* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */
" movs r1, %0 \n"/* r1 = securecontextNO_STACK. */
" msr psplim, r1 \n"/* PSPLIM = securecontextNO_STACK. */
" msr psp, r1 \n"/* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */
" \n"
" save_ctx_therad_mode: \n"
" nop \n"
" \n"
::"i" ( securecontextNO_STACK ) : "r1", "memory"
);
}
/*-----------------------------------------------------------*/

4
portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port.c
View file

@ -36,12 +36,12 @@ extern void SecureContext_SaveContextAsm( SecureContextHandle_t xSecureContextHa
secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle )
{
SecureContext_LoadContextAsm( xSecureContextHandle );
SecureContext_LoadContextAsm( xSecureContextHandle );
}
/*-----------------------------------------------------------*/
secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle )
{
SecureContext_SaveContextAsm( xSecureContextHandle );
SecureContext_SaveContextAsm( xSecureContextHandle );
}
/*-----------------------------------------------------------*/

4
portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c
View file

@ -36,12 +36,12 @@ extern void SecureContext_SaveContextAsm( SecureContextHandle_t xSecureContextHa
secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle )
{
SecureContext_LoadContextAsm( xSecureContextHandle );
SecureContext_LoadContextAsm( xSecureContextHandle );
}
/*-----------------------------------------------------------*/
secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle )
{
SecureContext_SaveContextAsm( xSecureContextHandle );
SecureContext_SaveContextAsm( xSecureContextHandle );
}
/*-----------------------------------------------------------*/