/* SPDX-License-Identifier: GPL-2.0-only */ /* 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 = ABSOLUTE(.); #define RECORD_SIZE(name) \ _##name##_size = ABSOLUTE(_e##name - _##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) \ RECORD_SIZE(name) #define ALIAS_REGION(name, alias) \ _##alias = ABSOLUTE(_##name); \ _e##alias = ABSOLUTE(_e##name); \ RECORD_SIZE(alias) #define REGION_START(name, addr) SYMBOL(name, addr) #define REGION_END(name, addr) \ SYMBOL(e##name, addr) \ RECORD_SIZE(name) /* Declare according to SRAM/DRAM ranges in SoC hardware-defined address map. */ #define SRAM_START(addr) REGION_START(sram, addr) #define SRAM_END(addr) REGION_END(sram, addr) #define DRAM_START(addr) REGION_START(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) #define EARLYRAM_STACK(addr, size) \ REGION(earlyram_stack, addr, size, ARCH_STACK_ALIGN_SIZE) /* 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))); #define CBFS_MCACHE(addr, sz) \ REGION(cbfs_mcache, addr, sz, 4) #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 = ABSOLUTE(_decompressor + sz); \ RECORD_SIZE(decompressor) \ _ = 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 = ABSOLUTE(_bootblock + sz); \ RECORD_SIZE(bootblock) \ _ = 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 = ABSOLUTE(_romstage + sz); \ RECORD_SIZE(romstage) \ _ = 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 = ABSOLUTE(_ramstage + sz); \ RECORD_SIZE(ramstage) \ _ = 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 2constants.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_LOG(addr, size) \ REGION(tpm_log, addr, size, 16) \ _ = ASSERT(size >= 2K, "tpm log buffer must be at least 2K!"); #if ENV_SEPARATE_VERSTAGE #define VERSTAGE(addr, sz) \ SYMBOL(verstage, addr) \ _everstage = ABSOLUTE(_verstage + sz); \ RECORD_SIZE(verstage) \ _ = 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 = ABSOLUTE(_postcar + sz); \ RECORD_SIZE(postcar) \ _ = 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 */