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Add support for persistent data to the MSP430 linker scripts.

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* msp430/msp430-sim.ld: Add .persistent section.
	Tidy up section layout.
	Start RAM above hardware multiply registers.
	* msp430/msp430xl-sim.ld: Likewise.
This commit is contained in:
Nick Clifton
2015-10-06 17:33:16 +01:00
parent f296bb3569
commit 3b8933900f
4 changed files with 53 additions and 8 deletions
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15
libgloss/msp430/msp430xl-sim.ld
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@@ -25,7 +25,7 @@ INCLUDE intr_vectors.ld
toolchain tests can be run against the simulator. */
MEMORY
{
RAM (rw) : ORIGIN = 0x00200, LENGTH = 0x01e00
RAM (rw) : ORIGIN = 0x00500, LENGTH = 0x01b00
ROM (rx) : ORIGIN = 0x02000, LENGTH = 0x0df00
/* The regions from intr_vectors.ld go here. */
HIFRAM (rw) : ORIGIN = 0x10000, LENGTH = 0x80000
@@ -282,7 +282,7 @@ SECTIONS
} > RAM
PROVIDE (__bsssize = SIZEOF(.bss));
/* This section contains data that is not initialised at startup
/* This section contains data that is not initialised during load
*or* application reset. */
.noinit (NOLOAD) :
{
@@ -293,6 +293,17 @@ SECTIONS
PROVIDE (__noinit_end = .);
} > RAM
/* This section contains data that *is* initialised during load
but *not* on application reset. This section should be in FLASH. */
.persistent :
{
. = ALIGN(2);
PROVIDE (__persistent_start = .);
*(.persistent)
. = ALIGN(2);
PROVIDE (__persistent_end = .);
} > HIFRAM
.upper.bss :
{
/* Note - if this section is not going to be defined then please