src/arch/riscv/Makefile.mk

   1 ## SPDX-License-Identifier: GPL-2.0-only
   2
   3 ################################################################################
   4 ## RISC-V specific options
   5 ################################################################################
   6 ifeq ($(CONFIG_ARCH_RISCV),y)
   7
   8 ifeq ($(CONFIG_ARCH_RAMSTAGE_RISCV),y)
   9 check-ramstage-overlap-regions += stack
  10 endif
  11
  12 riscv_flags = -I$(src)/arch/riscv/
  13
  14 ifeq ($(CONFIG_ARCH_RISCV_RV64),y)
  15 _rv_flags += -D__riscv -D__riscv_xlen=64 -D__riscv_flen=64
  16 else
  17 ifeq ($(CONFIG_ARCH_RISCV_RV32),y)
  18 _rv_flags += -D__riscv -D__riscv_xlen=32 -D__riscv_flen=32
  19 else
  20 $(error "You need to select ARCH_RISCV_RV64 or ARCH_RISCV_RV32")
  21 endif
  22 endif
  23
  24 # Needed for -print-libgcc-file-name which gets confused about all those arch
  25 # suffixes in ARCH_SUFFIX_riscv.
  26 simple_riscv_flags = $(riscv_flags)
  27
  28 ifeq ($(CONFIG_COMPILER_GCC),y)
  29 MARCH_SUFFIX=$(ARCH_SUFFIX_riscv)
  30 else
  31 MARCH_SUFFIX=
  32 endif
  33
  34 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
  35 riscv_flags += -march=$(CONFIG_RISCV_ARCH)$(MARCH_SUFFIX) -mabi=$(CONFIG_RISCV_ABI) -mcmodel=$(CONFIG_RISCV_CODEMODEL)
  36 simple_riscv_flags += -march=$(CONFIG_RISCV_ARCH) -mabi=$(CONFIG_RISCV_ABI) -mcmodel=$(CONFIG_RISCV_CODEMODEL)
  37 else
  38 riscv_flags += $(_rv_flags)
  39 simple_riscv_flags += $(_rv_flags)
  40 endif
  41
  42 riscv_asm_flags = -march=$(CONFIG_RISCV_ARCH)$(MARCH_SUFFIX) -mabi=$(CONFIG_RISCV_ABI)
  43
  44 COMPILER_RT_bootblock = $(shell $(GCC_bootblock) $(simple_riscv_flags) -print-libgcc-file-name)
  45
  46 COMPILER_RT_romstage  = $(shell  $(GCC_romstage) $(simple_riscv_flags) -print-libgcc-file-name)
  47
  48 COMPILER_RT_ramstage  = $(shell  $(GCC_ramstage) $(simple_riscv_flags) -print-libgcc-file-name)
  49
  50 ## All stages
  51
  52 all-y += trap_util.S
  53 all-y += trap_handler.c
  54 all-y += fp_asm.S
  55 all-y += sbi.c
  56 all-y += mcall.c
  57 all-y += virtual_memory.c
  58 all-y += boot.c
  59 all-y += smp.c
  60 all-y += misc.c
  61 all-$(CONFIG_ARCH_RISCV_PMP) += pmp.c
  62 all-y += \
  63         $(top)/src/lib/memchr.c \
  64         $(top)/src/lib/memcmp.c \
  65         $(top)/src/lib/memcpy.c \
  66         $(top)/src/lib/memmove.c \
  67         $(top)/src/lib/memset.c
  68 all-$(CONFIG_RISCV_USE_ARCH_TIMER) += arch_timer.c
  69
  70
  71 ################################################################################
  72 ## bootblock
  73 ################################################################################
  74 ifeq ($(CONFIG_ARCH_BOOTBLOCK_RISCV),y)
  75
  76 bootblock-y = bootblock.S
  77
  78 $(eval $(call link_stage,bootblock))
  79
  80 bootblock-c-ccopts += $(riscv_flags)
  81 bootblock-S-ccopts += $(riscv_asm_flags)
  82
  83 ifeq ($(CONFIG_ARCH_RISCV_RV32),y)
  84 LDFLAGS_bootblock += -m elf32lriscv
  85 endif #CONFIG_ARCH_RISCV_RV32
  86
  87 endif #CONFIG_ARCH_BOOTBLOCK_RISCV
  88
  89 ################################################################################
  90 ## romstage
  91 ################################################################################
  92 ifeq ($(CONFIG_ARCH_ROMSTAGE_RISCV),y)
  93
  94 romstage-$(CONFIG_SEPARATE_ROMSTAGE) += romstage.S
  95
  96 # Build the romstage
  97
  98 $(eval $(call link_stage,romstage))
  99
 100 romstage-c-ccopts += $(riscv_flags)
 101 romstage-S-ccopts += $(riscv_asm_flags)
 102
 103 ifeq ($(CONFIG_ARCH_RISCV_RV32),y)
 104 LDFLAGS_romstage += -m elf32lriscv
 105 endif #CONFIG_ARCH_RISCV_RV32
 106
 107 endif #CONFIG_ARCH_ROMSTAGE_RISCV
 108
 109 ################################################################################
 110 ## ramstage
 111 ################################################################################
 112 ifeq ($(CONFIG_ARCH_RAMSTAGE_RISCV),y)
 113
 114 ramstage-y =
 115 ramstage-y += ramstage.S
 116 ramstage-y += tables.c
 117 ramstage-y += payload.c
 118 ramstage-y += fit_payload.c
 119
 120 $(eval $(call create_class_compiler,rmodules,riscv))
 121
 122 ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/mainboard.c
 123
 124 # Build the ramstage
 125
 126 $(eval $(call link_stage,ramstage))
 127
 128 ramstage-c-ccopts += $(riscv_flags)
 129 ramstage-S-ccopts += $(riscv_asm_flags)
 130
 131 ifeq ($(CONFIG_ARCH_RISCV_RV32),y)
 132 LDFLAGS_ramstage += -m elf32lriscv
 133 endif #CONFIG_ARCH_RISCV_RV32
 134
 135 endif #CONFIG_ARCH_RAMSTAGE_RISCV
 136
 137 ifeq ($(CONFIG_RISCV_OPENSBI),y)
 138
 139 OPENSBI_SOURCE := $(top)/3rdparty/opensbi
 140 OPENSBI_BUILD  := $(abspath $(obj)/3rdparty/opensbi)
 141 OPENSBI_TARGET := $(OPENSBI_BUILD)/platform/$(CONFIG_OPENSBI_PLATFORM)/firmware/fw_dynamic.elf
 142 OPENSBI := $(obj)/opensbi.elf
 143
 144 # TODO: Building with clang has troubles finding the proper linker.
 145 # Always use GCC for now.
 146 $(OPENSBI_TARGET): $(obj)/config.h | $(OPENSBI_SOURCE)
 147         printf "    MAKE       $(subst $(obj)/,,$(@))\n"
 148         mkdir -p $(OPENSBI_BUILD)
 149         $(MAKE) \
 150                 -C "$(OPENSBI_SOURCE)" \
 151                 CC="$(GCC_ramstage) -fno-builtin" \
 152                 LD="$(LD_ramstage)" \
 153                 OBJCOPY="$(OBJCOPY_ramstage)" \
 154                 AR="$(AR_ramstage)" \
 155                 PLATFORM=$(CONFIG_OPENSBI_PLATFORM) \
 156                 O="$(OPENSBI_BUILD)" \
 157                 FW_JUMP=n \
 158                 FW_DYNAMIC=y \
 159                 FW_PAYLOAD=n \
 160                 FW_TEXT_START=$(CONFIG_OPENSBI_TEXT_START)
 161
 162 $(OPENSBI): $(OPENSBI_TARGET)
 163         cp $< $@
 164
 165 OPENSBI_CBFS := $(CONFIG_CBFS_PREFIX)/opensbi
 166 $(OPENSBI_CBFS)-file := $(OPENSBI)
 167 $(OPENSBI_CBFS)-type := payload
 168 $(OPENSBI_CBFS)-compression := $(CBFS_COMPRESS_FLAG)
 169 cbfs-files-y += $(OPENSBI_CBFS)
 170
 171 check-ramstage-overlap-files += $(OPENSBI_CBFS)
 172
 173 ramstage-y += opensbi.c
 174
 175 endif #CONFIG_RISCV_OPENSBI
 176
 177 endif #CONFIG_ARCH_RISCV