| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| /* This file contains macro definitions for memlayout.ld linker scripts. */ |
| |
| #ifndef __MEMLAYOUT_H |
| #define __MEMLAYOUT_H |
| |
| #include <arch/memlayout.h> |
| #include <vb2_constants.h> |
| |
| #include "fmap_config.h" |
| |
| /* Macros that the architecture can override. */ |
| #ifndef ARCH_POINTER_ALIGN_SIZE |
| #define ARCH_POINTER_ALIGN_SIZE 8 |
| #endif |
| |
| #ifndef ARCH_CACHELINE_ALIGN_SIZE |
| #define ARCH_CACHELINE_ALIGN_SIZE 64 |
| #endif |
| |
| #define STR(x) XSTR(x) |
| #define XSTR(x) #x |
| |
| #define ALIGN_COUNTER(align) \ |
| . = ALIGN(align); |
| |
| #define SET_COUNTER(name, addr) \ |
| _ = ASSERT(. <= addr, STR(name overlaps the previous region!)); \ |
| . = addr; |
| |
| #define SYMBOL(name, addr) \ |
| SET_COUNTER(name, addr) \ |
| _##name = .; |
| |
| #define REGION(name, addr, size, expected_align) \ |
| SYMBOL(name, addr) \ |
| _ = ASSERT(. == ALIGN(expected_align), \ |
| STR(name must be aligned to expected_align!)); \ |
| SYMBOL(e##name, addr + size) |
| |
| #define ALIAS_REGION(name, alias) \ |
| _##alias = _##name; \ |
| _e##alias = _e##name; |
| |
| /* Declare according to SRAM/DRAM ranges in SoC hardware-defined address map. */ |
| #define SRAM_START(addr) SYMBOL(sram, addr) |
| |
| #define SRAM_END(addr) SYMBOL(esram, addr) |
| |
| #define DRAM_START(addr) SYMBOL(dram, addr) |
| |
| #define TIMESTAMP(addr, size) \ |
| REGION(timestamp, addr, size, 8) \ |
| _ = ASSERT(size >= 212, "Timestamp region must fit timestamp_cache!"); |
| |
| #define PRERAM_CBMEM_CONSOLE(addr, size) \ |
| REGION(preram_cbmem_console, addr, size, 4) |
| |
| /* Use either CBFS_CACHE (unified) or both (PRERAM|POSTRAM)_CBFS_CACHE */ |
| #define CBFS_CACHE(addr, size) \ |
| REGION(cbfs_cache, addr, size, 4) \ |
| ALIAS_REGION(cbfs_cache, preram_cbfs_cache) \ |
| ALIAS_REGION(cbfs_cache, postram_cbfs_cache) |
| |
| #define FMAP_CACHE(addr, sz) \ |
| REGION(fmap_cache, addr, sz, 4) \ |
| _ = ASSERT(sz >= FMAP_SIZE, \ |
| STR(FMAP does not fit in FMAP_CACHE! (sz < FMAP_SIZE))); |
| |
| #if ENV_ROMSTAGE_OR_BEFORE |
| #define PRERAM_CBFS_CACHE(addr, size) \ |
| REGION(preram_cbfs_cache, addr, size, 4) \ |
| ALIAS_REGION(preram_cbfs_cache, cbfs_cache) |
| #define POSTRAM_CBFS_CACHE(addr, size) \ |
| REGION(postram_cbfs_cache, addr, size, 4) |
| #else |
| #define PRERAM_CBFS_CACHE(addr, size) \ |
| REGION(preram_cbfs_cache, addr, size, 4) |
| #define POSTRAM_CBFS_CACHE(addr, size) \ |
| REGION(postram_cbfs_cache, addr, size, 4) \ |
| ALIAS_REGION(postram_cbfs_cache, cbfs_cache) |
| #endif |
| |
| /* Careful: 'INCLUDE <filename>' must always be at the end of the output line */ |
| #if ENV_DECOMPRESSOR |
| #define DECOMPRESSOR(addr, sz) \ |
| SYMBOL(decompressor, addr) \ |
| _edecompressor = _decompressor + sz; \ |
| _ = ASSERT(_eprogram - _program <= sz, \ |
| STR(decompressor exceeded its allotted size! (sz))); \ |
| INCLUDE "decompressor/lib/program.ld" |
| |
| #define OVERLAP_DECOMPRESSOR_ROMSTAGE(addr, sz) DECOMPRESSOR(addr, sz) |
| #define OVERLAP_DECOMPRESSOR_VERSTAGE_ROMSTAGE(addr, sz) \ |
| DECOMPRESSOR(addr, sz) |
| #else |
| #define DECOMPRESSOR(addr, sz) \ |
| REGION(decompressor, addr, sz, 1) |
| |
| #define OVERLAP_DECOMPRESSOR_ROMSTAGE(addr, sz) ROMSTAGE(addr, sz) |
| #define OVERLAP_DECOMPRESSOR_VERSTAGE_ROMSTAGE(addr, sz) \ |
| OVERLAP_VERSTAGE_ROMSTAGE(addr, sz) |
| #endif |
| |
| #if ENV_BOOTBLOCK |
| #define BOOTBLOCK(addr, sz) \ |
| SYMBOL(bootblock, addr) \ |
| _ebootblock = _bootblock + sz; \ |
| _ = ASSERT(_eprogram - _program <= sz, \ |
| STR(Bootblock exceeded its allotted size! (sz))); \ |
| INCLUDE "bootblock/lib/program.ld" |
| #else |
| #define BOOTBLOCK(addr, sz) \ |
| REGION(bootblock, addr, sz, 1) |
| #endif |
| |
| #if ENV_ROMSTAGE |
| #define ROMSTAGE(addr, sz) \ |
| SYMBOL(romstage, addr) \ |
| _eromstage = _romstage + sz; \ |
| _ = ASSERT(_eprogram - _program <= sz, \ |
| STR(Romstage exceeded its allotted size! (sz))); \ |
| INCLUDE "romstage/lib/program.ld" |
| #else |
| #define ROMSTAGE(addr, sz) \ |
| REGION(romstage, addr, sz, 1) |
| #endif |
| |
| #if ENV_RAMSTAGE |
| #define RAMSTAGE(addr, sz) \ |
| SYMBOL(ramstage, addr) \ |
| _eramstage = _ramstage + sz; \ |
| _ = ASSERT(_eprogram - _program <= sz, \ |
| STR(Ramstage exceeded its allotted size! (sz))); \ |
| INCLUDE "ramstage/lib/program.ld" |
| #else |
| #define RAMSTAGE(addr, sz) \ |
| REGION(ramstage, addr, sz, 1) |
| #endif |
| |
| /* VBOOT2_WORK must always use VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE for its |
| * size argument. The constant is imported via vb2_workbuf_size.h. */ |
| #define VBOOT2_WORK(addr, sz) \ |
| REGION(vboot2_work, addr, sz, 16) \ |
| _ = ASSERT(sz == VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE, \ |
| STR(vboot2 work buffer size must be equivalent to \ |
| VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE! (sz))); |
| |
| #define TPM_TCPA_LOG(addr, size) \ |
| REGION(tpm_tcpa_log, addr, size, 16) \ |
| _ = ASSERT(size >= 2K, "tpm tcpa log buffer must be at least 2K!"); |
| |
| #if ENV_VERSTAGE |
| #define VERSTAGE(addr, sz) \ |
| SYMBOL(verstage, addr) \ |
| _everstage = _verstage + sz; \ |
| _ = ASSERT(_eprogram - _program <= sz, \ |
| STR(Verstage exceeded its allotted size! (sz))); \ |
| INCLUDE "verstage/lib/program.ld" |
| |
| #define OVERLAP_VERSTAGE_ROMSTAGE(addr, size) \ |
| _ = ASSERT(CONFIG(VBOOT_RETURN_FROM_VERSTAGE) == 1, \ |
| "Must set RETURN_FROM_VERSTAGE to overlap romstage."); \ |
| VERSTAGE(addr, size) |
| #else |
| #define VERSTAGE(addr, sz) \ |
| REGION(verstage, addr, sz, 1) |
| |
| #define OVERLAP_VERSTAGE_ROMSTAGE(addr, size) ROMSTAGE(addr, size) |
| #endif |
| |
| #if ENV_POSTCAR |
| #define POSTCAR(addr, sz) \ |
| SYMBOL(postcar, addr) \ |
| _epostcar = _postcar + sz; \ |
| _ = ASSERT(_eprogram - _program <= sz, \ |
| STR(Aftercar exceeded its allotted size! (sz))); \ |
| INCLUDE "postcar/lib/program.ld" |
| #else |
| #define POSTCAR(addr, sz) \ |
| REGION(postcar, addr, sz, 1) |
| #endif |
| |
| #define WATCHDOG_TOMBSTONE(addr, size) \ |
| REGION(watchdog_tombstone, addr, size, 4) \ |
| _ = ASSERT(size == 4, "watchdog tombstones should be exactly 4 byte!"); |
| |
| #endif /* __MEMLAYOUT_H */ |