diff options
Diffstat (limited to 'bl31/bl31.ld.S')
| -rw-r--r-- | bl31/bl31.ld.S | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/bl31/bl31.ld.S b/bl31/bl31.ld.S index a598e59cf..42227f0f3 100644 --- a/bl31/bl31.ld.S +++ b/bl31/bl31.ld.S @@ -15,6 +15,11 @@ ENTRY(bl31_entrypoint) MEMORY { RAM (rwx): ORIGIN = BL31_BASE, LENGTH = BL31_LIMIT - BL31_BASE +#if SEPARATE_NOBITS_REGION + NOBITS (rw!a): ORIGIN = BL31_NOBITS_BASE, LENGTH = BL31_NOBITS_LIMIT - BL31_NOBITS_BASE +#else +#define NOBITS RAM +#endif } #ifdef PLAT_EXTRA_LD_SCRIPT @@ -198,11 +203,28 @@ SECTIONS ASSERT(. <= BL31_PROGBITS_LIMIT, "BL31 progbits has exceeded its limit.") #endif +#if SEPARATE_NOBITS_REGION + /* + * Define a linker symbol to mark end of the RW memory area for this + * image. + */ + __RW_END__ = .; + __BL31_END__ = .; + + ASSERT(. <= BL31_LIMIT, "BL31 image has exceeded its limit.") + + . = BL31_NOBITS_BASE; + ASSERT(. == ALIGN(PAGE_SIZE), + "BL31 NOBITS base address is not aligned on a page boundary.") + + __NOBITS_START__ = .; +#endif + stacks (NOLOAD) : { __STACKS_START__ = .; *(tzfw_normal_stacks) __STACKS_END__ = .; - } >RAM + } >NOBITS /* * The .bss section gets initialised to 0 at runtime. @@ -262,7 +284,7 @@ SECTIONS __PMF_TIMESTAMP_END__ = .; #endif /* ENABLE_PMF */ __BSS_END__ = .; - } >RAM + } >NOBITS /* * The xlat_table section is for full, aligned page tables (4K). @@ -272,7 +294,7 @@ SECTIONS */ xlat_table (NOLOAD) : { *(xlat_table) - } >RAM + } >NOBITS #if USE_COHERENT_MEM /* @@ -298,9 +320,18 @@ SECTIONS */ . = ALIGN(PAGE_SIZE); __COHERENT_RAM_END__ = .; - } >RAM + } >NOBITS #endif +#if SEPARATE_NOBITS_REGION + /* + * Define a linker symbol to mark end of the NOBITS memory area for this + * image. + */ + __NOBITS_END__ = .; + + ASSERT(. <= BL31_NOBITS_LIMIT, "BL31 NOBITS region has exceeded its limit.") +#else /* * Define a linker symbol to mark end of the RW memory area for this * image. @@ -309,4 +340,5 @@ SECTIONS __BL31_END__ = .; ASSERT(. <= BL31_LIMIT, "BL31 image has exceeded its limit.") +#endif } |