diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/coreboot_ram.ld | 5 | ||||
| -rw-r--r-- | src/include/rmodule.h | 9 | ||||
| -rw-r--r-- | src/lib/rmodule.ld | 28 |
3 files changed, 35 insertions, 7 deletions
diff --git a/src/arch/x86/coreboot_ram.ld b/src/arch/x86/coreboot_ram.ld index d9f09090d9..2dd51d515b 100644 --- a/src/arch/x86/coreboot_ram.ld +++ b/src/arch/x86/coreboot_ram.ld @@ -50,6 +50,10 @@ SECTIONS .rodata : { _rodata = .; . = ALIGN(4); + + /* If any changes are made to the driver start/symbols or the + * section names the equivalent changes need to made to + * rmodule.ld. */ console_drivers = .; *(.rodata.console_drivers) econsole_drivers = . ; @@ -60,6 +64,7 @@ SECTIONS cpu_drivers = . ; *(.rodata.cpu_driver) ecpu_drivers = . ; + *(.rodata) *(.rodata.*) /* kevinh/Ispiri - Added an align, because the objcopy tool diff --git a/src/include/rmodule.h b/src/include/rmodule.h index 30eee0ea05..5300c63766 100644 --- a/src/include/rmodule.h +++ b/src/include/rmodule.h @@ -27,6 +27,7 @@ enum { RMODULE_TYPE_SMM, RMODULE_TYPE_SIPI_VECTOR, + RMODULE_TYPE_STAGE, }; struct rmodule; @@ -58,8 +59,8 @@ int rmodule_load_alignment(const struct rmodule *m); .module_entry_point = FIELD_ENTRY(entry_), \ .parameters_begin = FIELD_ENTRY(_module_params_begin), \ .parameters_end = FIELD_ENTRY(_module_params_end), \ - .bss_begin = FIELD_ENTRY(_bss_begin), \ - .bss_end = FIELD_ENTRY(_bss_end), \ + .bss_begin = FIELD_ENTRY(_bss), \ + .bss_end = FIELD_ENTRY(_ebss), \ } #define DEFINE_RMODULE_HEADER(name_, entry_, type_) \ @@ -119,8 +120,8 @@ extern char _relocations_begin_offset[]; extern char _relocations_end_offset[]; extern char _payload_end_offset[]; extern char _payload_begin_offset[]; -extern char _bss_begin[]; -extern char _bss_end[]; +extern char _bss[]; +extern char _ebss[]; extern char _module_program_size[]; extern char _module_link_start_addr[]; extern char _module_params_begin[]; diff --git a/src/lib/rmodule.ld b/src/lib/rmodule.ld index fdee279697..c8bd297e51 100644 --- a/src/lib/rmodule.ld +++ b/src/lib/rmodule.ld @@ -41,6 +41,22 @@ SECTIONS *(.text.*); /* C read-only data. */ . = ALIGN(16); + + /* The driver sections are to allow linking coreboot's + * ramstage with the rmodule linker. Any changes made in + * coreboot_ram.ld should be made here as well. */ + console_drivers = .; + *(.rodata.console_drivers) + econsole_drivers = . ; + . = ALIGN(4); + pci_drivers = . ; + *(.rodata.pci_driver) + epci_drivers = . ; + cpu_drivers = . ; + *(.rodata.cpu_driver) + ecpu_drivers = . ; + . = ALIGN(4); + *(.rodata); *(.rodata.*); . = ALIGN(4); @@ -67,13 +83,13 @@ SECTIONS _payload_end_offset = LOADADDR(.data) + SIZEOF(.data); .bss (NOLOAD) : { - /* C uninitialized data of the SMM handler */ - _bss_begin = .; + /* C uninitialized data of the module. */ + _bss = .; *(.bss); *(.sbss); *(COMMON); . = ALIGN(8); - _bss_end = .; + _ebss = .; /* * Place the heap after BSS. The heap size is passed in by @@ -87,6 +103,12 @@ SECTIONS /* _module_program_size is the total memory used by the program. */ _module_program_size = _eheap - _module_link_start_addr; + /* coreboot's ramstage uses the _ram_seg and _eram_seg symbols + * for determining its load location. Provide those to help it out. + * It's a nop for any non-ramstage rmodule. */ + _ram_seg = _module_link_start_addr; + _eram_seg = _module_link_start_addr + _module_program_size; + /* The relocation information is linked on top of the BSS section * because the BSS section takes no space on disk. The relocation data * resides directly after the data section in the flat binary. */ |