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Associate secure context with task handle

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The secure side context management code now checks that the secure
context being saved or restored belongs to the task being switched-out
or switched-in respectively.

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Gaurav Aggarwal 2021-08-04 14:57:45 -07:00 • committed by Gaurav-Aggarwal-AWS
parent ccaa0f4d6e
commit 61f7560243
53 changed files with 1796 additions and 1353 deletions
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3
portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c
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@ -36,6 +36,9 @@
#error Cortex-M23 does not have a Floating Point Unit (FPU) and therefore configENABLE_FPU must be set to 0.
#endif
void SecureContext_LoadContextAsm( SecureContext_t * pxSecureContext ) __attribute__( ( naked ) );
void SecureContext_SaveContextAsm( SecureContext_t * pxSecureContext ) __attribute__( ( naked ) );
void SecureContext_LoadContextAsm( SecureContext_t * pxSecureContext )
{
/* pxSecureContext value is in r0. */

3
portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c
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@ -32,6 +32,9 @@
/* Secure port macros. */
#include "secure_port_macros.h"
void SecureContext_LoadContextAsm( SecureContext_t * pxSecureContext ) __attribute__( ( naked ) );
void SecureContext_SaveContextAsm( SecureContext_t * pxSecureContext ) __attribute__( ( naked ) );
void SecureContext_LoadContextAsm( SecureContext_t * pxSecureContext )
{
/* pxSecureContext value is in r0. */

7
portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port_asm.s
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@ -29,6 +29,13 @@
SECTION .text:CODE:NOROOT(2)
THUMB
/* Including FreeRTOSConfig.h here will cause build errors if the header file
contains code not understood by the assembler - for example the 'extern' keyword.
To avoid errors place any such code inside a #ifdef __ICCARM__/#endif block so
the code is included in C files but excluded by the preprocessor in assembly
files (__ICCARM__ is defined by the IAR C compiler but not by the IAR assembler. */
#include "FreeRTOSConfig.h"
PUBLIC SecureContext_LoadContextAsm
PUBLIC SecureContext_SaveContextAsm

7
portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s
View file

@ -29,6 +29,13 @@
SECTION .text:CODE:NOROOT(2)
THUMB
/* Including FreeRTOSConfig.h here will cause build errors if the header file
contains code not understood by the assembler - for example the 'extern' keyword.
To avoid errors place any such code inside a #ifdef __ICCARM__/#endif block so
the code is included in C files but excluded by the preprocessor in assembly
files (__ICCARM__ is defined by the IAR C compiler but not by the IAR assembler. */
#include "FreeRTOSConfig.h"
PUBLIC SecureContext_LoadContextAsm
PUBLIC SecureContext_SaveContextAsm
/*-----------------------------------------------------------*/