diff options
Diffstat (limited to 'plat/common/aarch64/platform_mp_stack.S')
| -rw-r--r-- | plat/common/aarch64/platform_mp_stack.S | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/plat/common/aarch64/platform_mp_stack.S b/plat/common/aarch64/platform_mp_stack.S index 7a98d290..0cea9ac3 100644 --- a/plat/common/aarch64/platform_mp_stack.S +++ b/plat/common/aarch64/platform_mp_stack.S @@ -36,7 +36,8 @@ .local platform_normal_stacks .weak platform_set_stack .weak platform_get_stack - + .weak plat_get_my_stack + .weak plat_set_my_stack /* ----------------------------------------------------- * unsigned long platform_get_stack (unsigned long mpidr) @@ -66,6 +67,33 @@ func platform_set_stack endfunc platform_set_stack /* ----------------------------------------------------- + * unsigned long plat_get_my_stack () + * + * For the current CPU, this function returns the stack + * pointer for a stack allocated in device memory. + * ----------------------------------------------------- + */ +func plat_get_my_stack + mov x10, x30 // lr + get_my_mp_stack platform_normal_stacks, PLATFORM_STACK_SIZE + ret x10 +endfunc plat_get_my_stack + + /* ----------------------------------------------------- + * void plat_set_my_stack () + * + * For the current CPU, this function sets the stack + * pointer to a stack allocated in normal memory. + * ----------------------------------------------------- + */ +func plat_set_my_stack + mov x9, x30 // lr + bl plat_get_my_stack + mov sp, x0 + ret x9 +endfunc plat_set_my_stack + + /* ----------------------------------------------------- * Per-cpu stacks in normal memory. Each cpu gets a * stack of PLATFORM_STACK_SIZE bytes. * ----------------------------------------------------- |