auracaster/openocd
3
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added FPU support for ChibiOS/RT

Browse Source 
When an enabled FPU is detected we now use an appropriate stacking.

Change-Id: I1b0f43ec22e1c55c4f10e2ffa97d4aaa77bca5ee
Signed-off-by: Christian Gudrian <christian.gudrian@gmx.de>
Reviewed-on: http://openocd.zylin.com/2354
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Christian Gudrian
2014-10-24 23:22:40 +02:00
committed by Spencer Oliver
parent 8b99681346
commit f83e1dc13f
3 changed files with 32 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/rtos/rtos_chibios_stackings.c
View File

@@ -55,3 +55,31 @@ const struct rtos_register_stacking rtos_chibios_arm_v7m_stacking = {
0, /* stack_alignment */
rtos_chibios_arm_v7m_stack_offsets /* register_offsets */
};
static const struct stack_register_offset rtos_chibios_arm_v7m_stack_offsets_w_fpu[ARMV7M_NUM_CORE_REGS] = {
{ -1, 32 }, /* r0 */
{ -1, 32 }, /* r1 */
{ -1, 32 }, /* r2 */
{ -1, 32 }, /* r3 */
{ 0x40, 32 }, /* r4 */
{ 0x44, 32 }, /* r5 */
{ 0x48, 32 }, /* r6 */
{ 0x4c, 32 }, /* r7 */
{ 0x50, 32 }, /* r8 */
{ 0x54, 32 }, /* r9 */
{ 0x58, 32 }, /* r10 */
{ 0x5c, 32 }, /* r11 */
{ -1, 32 }, /* r12 */
{ -2, 32 }, /* sp */
{ -1, 32 }, /* lr */
{ 0x60, 32 }, /* pc */
{ -1, 32 }, /* xPSR */
};
const struct rtos_register_stacking rtos_chibios_arm_v7m_stacking_w_fpu = {
0x64, /* stack_registers_size */
-1, /* stack_growth_direction */
ARMV7M_NUM_CORE_REGS, /* num_output_registers */
0, /* stack_alignment */
rtos_chibios_arm_v7m_stack_offsets_w_fpu /* register_offsets */
};