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GD32_F450ZI: Support boot stack size configuration option #9350

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merged 1 commit into from
Jan 11, 2019
Merged

GD32_F450ZI: Support boot stack size configuration option #9350

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11 changes: 10 additions & 1 deletion targets/TARGET_GigaDevice/TARGET_GD32F4XX/device/TOOLCHAIN_ARM_STD/gd32f450zi.sct
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,12 @@
#define MBED_APP_SIZE 0x200000
#endif

#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif

#define Stack_Size MBED_BOOT_STACK_SIZE

LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region (3*1024K)

ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
Expand All @@ -20,7 +26,10 @@ LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region (3*1024K)
}

; 107 vectors (16 core + 91 peripheral) * 4 bytes = 428 bytes to reserve (0x1B0, 8-byte aligned)
RW_IRAM1 (0x20000000+0x1B0) (0x30000-0x1B0) { ; RW data
RW_IRAM1 (0x20000000+0x1B0) (0x30000-0x1B0-Stack_Size) { ; RW data
.ANY (+RW +ZI)
}

ARM_LIB_STACK 0x20000000+0x30000 EMPTY -Stack_Size { ; Stack region growing down
}
}
7 changes: 6 additions & 1 deletion targets/TARGET_GigaDevice/TARGET_GD32F4XX/device/TOOLCHAIN_GCC_ARM/GD32F450xI.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,10 @@
#define MBED_APP_SIZE 2048k
#endif

#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif

/* specify memory regions */
MEMORY
{
Expand Down Expand Up @@ -113,6 +117,7 @@ SECTIONS
__end__ = .;
end = __end__;
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__HeapLimit = .;
} > RAM

Expand All @@ -124,7 +129,7 @@ SECTIONS
/* initializes stack on the end of block */
__StackTop = ORIGIN(RAM) + LENGTH(RAM);
_estack = __StackTop;
__StackLimit = __StackTop - SIZEOF(.stack_dummy);
__StackLimit = __StackTop - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);

ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
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3 changes: 2 additions & 1 deletion targets/TARGET_GigaDevice/TARGET_GD32F4XX/device/TOOLCHAIN_IAR/gd32f450zi.icf
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x200000; }
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) { define symbol MBED_BOOT_STACK_SIZE = 0x400; }
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = MBED_APP_START;
/*-Memory Regions-*/
Expand All @@ -17,7 +18,7 @@ define symbol __ICFEDIT_region_RAM_start__ = 0x200001B0;
define symbol __ICFEDIT_region_RAM_end__ = 0x2002FFFF;

/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x400;
define symbol __ICFEDIT_size_cstack__ = MBED_BOOT_STACK_SIZE;
define symbol __ICFEDIT_size_heap__ = 0x10000;
/**** End of ICF editor section. ###ICF###*/

Expand Down