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Fix MicroBlaze stack protection context layout

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Account for MicroBlaze stack protection registers when sizing the saved context and assigning SLR/SHR offsets for 32-bit and 64-bit builds.

Signed-off-by: Old-Ding <ai.neo.ae86@gmail.com>
This commit is contained in:
Old-Ding 2026-07-01 09:50:39 +08:00
parent a50edad08b
commit bb002b49ff
1 changed files with 38 additions and 0 deletions
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38
portable/GCC/MicroBlazeV9/portasm.S
View file

@ -37,6 +37,15 @@
/* The context is oversized to allow functions called from the ISR to write /* The context is oversized to allow functions called from the ISR to write
back into the caller stack. */ back into the caller stack. */
#if defined (__arch64__) #if defined (__arch64__)
#if( XPAR_MICROBLAZE_USE_STACK_PROTECTION )
#if( XPAR_MICROBLAZE_USE_FPU != 0 )
#define portCONTEXT_SIZE 288
#define portMINUS_CONTEXT_SIZE -288
#else
#define portCONTEXT_SIZE 280
#define portMINUS_CONTEXT_SIZE -280
#endif
#else
#if( XPAR_MICROBLAZE_USE_FPU != 0 ) #if( XPAR_MICROBLAZE_USE_FPU != 0 )
#define portCONTEXT_SIZE 272 #define portCONTEXT_SIZE 272
#define portMINUS_CONTEXT_SIZE -272 #define portMINUS_CONTEXT_SIZE -272
@ -44,6 +53,16 @@ back into the caller stack. */
#define portCONTEXT_SIZE 264 #define portCONTEXT_SIZE 264
#define portMINUS_CONTEXT_SIZE -264 #define portMINUS_CONTEXT_SIZE -264
#endif #endif
#endif
#else
#if( XPAR_MICROBLAZE_USE_STACK_PROTECTION )
#if( XPAR_MICROBLAZE_USE_FPU != 0 )
#define portCONTEXT_SIZE 144
#define portMINUS_CONTEXT_SIZE -144
#else
#define portCONTEXT_SIZE 140
#define portMINUS_CONTEXT_SIZE -140
#endif
#else #else
#if( XPAR_MICROBLAZE_USE_FPU != 0 ) #if( XPAR_MICROBLAZE_USE_FPU != 0 )
#define portCONTEXT_SIZE 136 #define portCONTEXT_SIZE 136
@ -53,6 +72,7 @@ back into the caller stack. */
#define portMINUS_CONTEXT_SIZE -132 #define portMINUS_CONTEXT_SIZE -132
#endif #endif
#endif #endif
#endif
/* Offsets from the stack pointer at which saved registers are placed. */ /* Offsets from the stack pointer at which saved registers are placed. */
#if defined (__arch64__) #if defined (__arch64__)
@ -88,7 +108,16 @@ back into the caller stack. */
#define portR2_OFFSET 240 #define portR2_OFFSET 240
#define portCRITICAL_NESTING_OFFSET 248 #define portCRITICAL_NESTING_OFFSET 248
#define portMSR_OFFSET 256 #define portMSR_OFFSET 256
#if( XPAR_MICROBLAZE_USE_FPU != 0 )
#define portFSR_OFFSET 264 #define portFSR_OFFSET 264
#if( XPAR_MICROBLAZE_USE_STACK_PROTECTION )
#define portSLR_OFFSET 272
#define portSHR_OFFSET 280
#endif
#elif( XPAR_MICROBLAZE_USE_STACK_PROTECTION )
#define portSLR_OFFSET 264
#define portSHR_OFFSET 272
#endif
#else #else
#define portR31_OFFSET 4 #define portR31_OFFSET 4
#define portR30_OFFSET 8 #define portR30_OFFSET 8
@ -122,7 +151,16 @@ back into the caller stack. */
#define portR2_OFFSET 120 #define portR2_OFFSET 120
#define portCRITICAL_NESTING_OFFSET 124 #define portCRITICAL_NESTING_OFFSET 124
#define portMSR_OFFSET 128 #define portMSR_OFFSET 128
#if( XPAR_MICROBLAZE_USE_FPU != 0 )
#define portFSR_OFFSET 132 #define portFSR_OFFSET 132
#if( XPAR_MICROBLAZE_USE_STACK_PROTECTION )
#define portSLR_OFFSET 136
#define portSHR_OFFSET 140
#endif
#elif( XPAR_MICROBLAZE_USE_STACK_PROTECTION )
#define portSLR_OFFSET 132
#define portSHR_OFFSET 136
#endif
#endif #endif