diff options
| -rw-r--r-- | src/arch/armv7/romstage.ld | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/src/arch/armv7/romstage.ld b/src/arch/armv7/romstage.ld index 14c5bde3a6..11a91cf0af 100644 --- a/src/arch/armv7/romstage.ld +++ b/src/arch/armv7/romstage.ld @@ -60,9 +60,25 @@ SECTIONS _erom = .; } + /* bss does not contain data, it is just a space that should be zero + * initialized on startup. (typically uninitialized global variables) + * crt0.S fills between _bss and _ebss with zeroes. + */ + .bss . : { + . = ALIGN(8); + _bss = .; + *(.bss) + *(.sbss) + *(COMMON) + } + + _ebss = .; + .car.data . (NOLOAD) : { + . = ALIGN(8); _car_data_start = .; *(.car.global_data); + . = ALIGN(8); /* The cbmem_console section comes last to take advantage of * a zero-sized array to hold the memconsole contents that * grows to a bound of CONFIG_CONSOLE_CAR_BUFFER_SIZE. However, @@ -73,20 +89,17 @@ SECTIONS _car_data_end = .; } - /* bss does not contain data, it is just a space that should be zero - * initialized on startup. (typically uninitialized global variables) - * crt0.S fills between _bss and _ebss with zeroes. - */ - .bss . : { - . = ALIGN(8); - _bss = .; - *(.bss) - *(.sbss) - *(COMMON) - } - _ebss = .; _end = .; + /* TODO: check if we are running out of SRAM. Below check is not good + * enough though because SRAM has different size on different CPUs + * and not all SRAM is available to the romstage. On Exynos, some is + * used for BL1, the bootblock and the stack. + * + * _bogus = ASSERT((_end - _start + EXPECTED_CBMEM_CONSOLE_SIZE <= \ + * 0x54000), "SRAM area is too full"); + */ + /* Discard the sections we don't need/want */ /DISCARD/ : { *(.comment) |