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[LPC11U24] Take advantage of the full 8K of RAM 

The linker command scripts/startup files used only 4K of RAM on this target.
pull/17/head
Bogdan Marinescu 2013-07-17 15:29:40 +03:00
parent 0c33d40fbb
commit dd70336886
7 changed files with 22 additions and 14 deletions
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7
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_ARM_MICRO/LPC11U24.sct
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@ -6,9 +6,12 @@ LR_IROM1 0x00000000 0x8000 { ; load region size_region (32k)
.ANY (+RO)
}
; 8_byte_aligned(48 vect * 4 bytes) = 8_byte_aligned(0xC0) = 0xC0
; 8KB - 0xC0 = 0xF40
RW_IRAM1 0x100000C0 0xF40 {
; 8KB - 0xC0 = 0x1F40
RW_IRAM1 0x100000C0 0x1F40 {
.ANY (+RW +ZI)
}
RW_IRAM2 0x20004000 0x800 { ; RW data, USB RAM
.ANY (USBRAM)
}
}

2
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_ARM_MICRO/startup_LPC11xx.s
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@ -25,7 +25,7 @@ Stack_Size EQU 0x00000400
EXPORT __initial_sp
Stack_Mem SPACE Stack_Size
__initial_sp EQU 0x10001000 ; Top of RAM from LPC11U
__initial_sp EQU 0x10002000 ; Top of RAM from LPC11U
Heap_Size EQU 0x00000000

7
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_ARM_STD/LPC11U24.sct
View File

@ -6,9 +6,12 @@ LR_IROM1 0x00000000 0x8000 { ; load region size_region (32k)
.ANY (+RO)
}
; 8_byte_aligned(48 vect * 4 bytes) = 8_byte_aligned(0xC0) = 0xC0
; 8KB - 0xC0 = 0xF40
RW_IRAM1 0x100000C0 0xF40 {
; 8KB - 0xC0 = 0x1F40
RW_IRAM1 0x100000C0 0x1F40 {
.ANY (+RW +ZI)
}
RW_IRAM2 0x20004000 0x800 { ; RW data, USB RAM
.ANY (USBRAM)
}
}

2
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_ARM_STD/startup_LPC11xx.s
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@ -19,7 +19,7 @@
; *
; *****************************************************************************/
__initial_sp EQU 0x10001000 ; Top of RAM from LPC11U
__initial_sp EQU 0x10002000 ; Top of RAM from LPC11U
PRESERVE8
THUMB

3
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_ARM/LPC11U24.ld
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@ -4,7 +4,8 @@
MEMORY
{
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K
RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0xF40
RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1F40
USB_RAM (rwx): ORIGIN = 0x20004000, LENGTH = 0x800
}
/* Linker script to place sections and symbol values. Should be used together

12
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_CR/LPC11U24.ld
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@ -7,12 +7,12 @@ MEMORY
{
/* Define each memory region */
MFlash32 (rx) : ORIGIN = 0x0, LENGTH = 0x8000 /* 32k */
RamLoc4 (rwx) : ORIGIN = 0x100000C0, LENGTH = 0xF40 /* 4k */
RamLoc8 (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1F40 /* 8k */
RamUsb2 (rwx) : ORIGIN = 0x20004000, LENGTH = 0x800 /* 2k */
}
/* Define a symbol for the top of each memory region */
__top_MFlash32 = 0x0 + 0x8000;
__top_RamLoc4 = 0x10000000 + 0x1000;
__top_RamLoc8 = 0x10000000 + 0x2000;
__top_RamUsb2 = 0x20004000 + 0x800;
ENTRY(ResetISR)
@ -116,7 +116,7 @@ SECTIONS
.uninit_RESERVED : ALIGN(4)
{
KEEP(*(.bss.$RESERVED*))
} > RamLoc4
} > RamLoc8
.data : ALIGN(4)
{
@ -126,7 +126,7 @@ SECTIONS
*(.data*)
. = ALIGN(4) ;
_edata = .;
} > RamLoc4 AT>MFlash32
} > RamLoc8 AT>MFlash32
.bss_RAM2 : ALIGN(4)
@ -145,8 +145,8 @@ SECTIONS
. = ALIGN(4) ;
_ebss = .;
PROVIDE(end = .);
} > RamLoc4
} > RamLoc8
PROVIDE(_pvHeapStart = .);
PROVIDE(_vStackTop = __top_RamLoc4 - 0);
PROVIDE(_vStackTop = __top_RamLoc8 - 0);
}

3
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_CS/LPC11U24.ld
View File

@ -27,7 +27,8 @@ MEMORY
{
rom (rx) : ORIGIN = 0x00000000, LENGTH = 32K
ram (rwx) : ORIGIN = 0x100000C0, LENGTH = 0xF40
ram (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1F40
usb_ram (rwx) : ORIGIN = 0x20004000, LENGTH = 0x800
}
/* These force the linker to search for particular symbols from