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/arch/v850/kernel/rte_nb85e_cb-multi.ld

https://bitbucket.org/evzijst/gittest
Unknown | 57 lines | 50 code | 7 blank | 0 comment | 0 complexity | e58898a73b85c759412d88b0e61169a5 MD5 | raw file
 1/* Linker script for the Midas labs RTE-NB85E-CB evaluation board
 2   (CONFIG_RTE_CB_NB85E), with the Multi debugger ROM monitor .  */
 3
 4MEMORY {
 5	/* 1MB of SRAM; we can't use the last 96KB, because it's used by
 6	   the monitor scratch-RAM.  This memory is mirrored 4 times.  */
 7	SRAM  : ORIGIN = SRAM_ADDR,  LENGTH = (SRAM_SIZE - MON_SCRATCH_SIZE)
 8	/* Monitor scratch RAM; only the interrupt vectors should go here.  */
 9	MRAM  : ORIGIN = MON_SCRATCH_ADDR,  LENGTH = MON_SCRATCH_SIZE
10	/* 16MB of SDRAM.  */
11	SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
12}
13
14#ifdef CONFIG_RTE_CB_NB85E_KSRAM
15# define KRAM SRAM
16#else
17# define KRAM SDRAM
18#endif
19
20SECTIONS {
21	/* We can't use RAMK_KRAM_CONTENTS because that puts the whole
22	   kernel in a single ELF segment, and the Multi debugger (which
23	   we use to load the kernel) appears to have bizarre problems
24	   dealing with it.  */
25
26	.text : {
27		__kram_start = . ;
28		TEXT_CONTENTS
29	} > KRAM
30
31	.data : {
32		DATA_CONTENTS
33		BSS_CONTENTS
34		RAMK_INIT_CONTENTS
35		__kram_end = . ;
36		BOOTMAP_CONTENTS
37
38		/* The address at which the interrupt vectors are initially
39		   loaded by the loader.  We can't load the interrupt vectors
40		   directly into their target location, because the monitor
41		   ROM for the GHS Multi debugger barfs if we try.
42		   Unfortunately, Multi also doesn't deal correctly with ELF
43		   sections where the LMA and VMA differ (it just ignores the
44		   LMA), so we can't use that feature to work around the
45		   problem!  What we do instead is just put the interrupt
46		   vectors into a normal section, and have the
47		   `mach_early_init' function for Midas boards do the
48		   necessary copying and relocation at runtime (this section
49		   basically only contains `jr' instructions, so it's not
50		   that hard).  */
51		. = ALIGN (0x10) ;
52		__intv_load_start = . ;
53		INTV_CONTENTS
54	} > KRAM
55
56	.root ALIGN (4096) : { ROOT_FS_CONTENTS } > SDRAM
57}