diff options
Diffstat (limited to 'nuttx/configs/sam3u-ek/scripts/user-space.ld')
| -rw-r--r-- | nuttx/configs/sam3u-ek/scripts/user-space.ld | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/nuttx/configs/sam3u-ek/scripts/user-space.ld b/nuttx/configs/sam3u-ek/scripts/user-space.ld index d187ed40c..53b402257 100644 --- a/nuttx/configs/sam3u-ek/scripts/user-space.ld +++ b/nuttx/configs/sam3u-ek/scripts/user-space.ld @@ -33,38 +33,13 @@ * ****************************************************************************/ -/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000, - * 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning - * at address 0x2008:000 (used only for heap). When booting from FLASH, - * FLASH memory is aliased to address 0x0000:0000 where the code expects to - * begin execution by jumping to the entry point in the 0x0800:0000 address - * range. - * - * For MPU support, the kernel-mode NuttX section is assumed to be 64Kb of - * FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See - * also configs/sam3u-ek/scripts/kernel-space.ld). +/* NOTE: This depends on the memory.ld script having been included prior to + * this script. */ -MEMORY -{ - /* 256Kb FLASH */ - - kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K - uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K - - /* 32Kb SRAM */ - - ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K - usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K - - /* 16Kb SRAM */ - - sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K -} - /* Make sure that the critical memory management functions are in user-space. - * Currently, the plan is that the memory manager will reside in user-space - * but be usable both by kernel- and user-space code + * the user heap memory manager will reside in user-space but be usable both + * by kernel- and user-space code */ EXTERN(umm_initialize) |