1# Setup compiler for the core module
2ifeq ($(CFG_RV64_core),y)
3arch-bits-core := 64
4else
5arch-bits-core := 32
6endif
7CROSS_COMPILE_core := $(CROSS_COMPILE$(arch-bits-core))
8COMPILER_core := $(COMPILER)
9
10include mk/$(COMPILER_core).mk
11
12# Defines the cc-option macro using the compiler set for the core module
13include mk/cc-option.mk
14
15CFG_MMAP_REGIONS ?= 13
16CFG_RESERVED_VASPACE_SIZE ?= (1024 * 1024 * 10)
17
18ifeq ($(CFG_RV64_core),y)
19CFG_KERN_LINKER_FORMAT ?= elf64-littleriscv
20CFG_KERN_LINKER_ARCH ?= riscv
21else
22ifeq ($(CFG_RV32_core),y)
23CFG_KERN_LINKER_FORMAT ?= elf32-littleriscv
24CFG_KERN_LINKER_ARCH ?= riscv
25else
26$(error Error: CFG_RV64_core or CFG_RV32_core should be defined)
27endif
28endif
29
30CFG_CORE_RWDATA_NOEXEC ?= y
31CFG_CORE_RODATA_NOEXEC ?= n
32ifeq ($(CFG_CORE_RODATA_NOEXEC),y)
33$(call force,CFG_CORE_RWDATA_NOEXEC,y)
34endif
35
36CFG_MAX_CACHE_LINE_SHIFT ?= 6
37
38CFG_RISCV_SBI	 ?= n
39CFG_RISCV_M_MODE ?= y
40ifeq ($(CFG_RISCV_M_MODE),y)
41ifeq ($(CFG_RISCV_S_MODE),y)
42$(error CFG_RISCV_M_MODE and CFG_RISCV_S_MODE cannot be both 'y')
43else
44$(call force,CFG_RISCV_S_MODE,n)
45$(call force,CFG_RISCV_SBI,n)
46endif
47endif
48ifeq ($(CFG_RISCV_S_MODE),y)
49$(call force,CFG_RISCV_M_MODE,n)
50endif
51ifneq (y,$(call cfg-one-enabled,CFG_RISCV_M_MODE M CFG_RISCV_S_MODE))
52$(error Either CFG_RISCV_M_MODE or CFG_RISCV_S_MODE must be 'y')
53endif
54
55ifeq ($(CFG_RISCV_SBI_CONSOLE),y)
56$(call force,CFG_RISCV_SBI,y)
57endif
58
59# Disable unsupported and other arch-specific flags
60$(call force,CFG_CORE_FFA,n)
61$(call force,CFG_SECURE_PARTITION,n)
62$(call force,CFG_PAGED_USER_TA,n)
63$(call force,CFG_WITH_PAGER,n)
64$(call force,CFG_GIC,n)
65$(call force,CFG_ARM_GICV3,n)
66$(call force,CFG_WITH_VFP,n)
67$(call force,CFG_WITH_STMM_SP,n)
68$(call force,CFG_TA_BTI,n)
69
70core-platform-cppflags	+= -I$(arch-dir)/include
71core-platform-subdirs += \
72	$(addprefix $(arch-dir)/, kernel mm tee) $(platform-dir)
73
74# more convenient to move it to platform instead
75rv64-platform-cppflags += -mcmodel=medany -march=rv64imafd -mabi=lp64d
76rv64-platform-cppflags += -Wno-missing-include-dirs
77
78rv64-platform-cppflags += -DRV64=1 -D__LP64__=1
79rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1
80
81platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe
82platform-aflags-generic ?= -pipe
83
84rv64-platform-cflags-generic := -mstrict-align $(call cc-option,)
85
86# Optimize for size by default, usually gives good performance too
87CFG_CC_OPT_LEVEL ?= 0
88platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL)
89
90CFG_DEBUG_INFO ?= y
91ifeq ($(CFG_DEBUG_INFO),y)
92platform-cflags-debug-info ?= -g3
93platform-aflags-debug-info ?= -g
94endif
95
96core-platform-cflags += $(platform-cflags-optimization)
97core-platform-cflags += $(platform-cflags-generic)
98core-platform-cflags += $(platform-cflags-debug-info)
99
100core-platform-aflags += $(platform-aflags-generic)
101core-platform-aflags += $(platform-aflags-debug-info)
102
103ifeq ($(CFG_CORE_ASLR),y)
104core-platform-cflags += -fpie
105endif
106
107ifeq ($(CFG_RV64_core),y)
108core-platform-cppflags += $(rv64-platform-cppflags)
109core-platform-cflags += $(rv64-platform-cflags)
110core-platform-cflags += $(rv64-platform-cflags-generic)
111core-platform-cflags += $(rv64-platform-cflags-no-hard-float)
112core-platform-aflags += $(rv64-platform-aflags)
113else
114core-platform-cppflags += $(rv32-platform-cppflags)
115core-platform-cflags += $(rv32-platform-cflags)
116core-platform-cflags += $(rv32-platform-cflags-no-hard-float)
117ifeq ($(CFG_UNWIND),y)
118core-platform-cflags += -funwind-tables
119endif
120core-platform-aflags += $(core_rv32-platform-aflags)
121core-platform-aflags += $(rv32-platform-aflags)
122endif
123
124# Provide default supported-ta-targets if not set by the platform config
125ifeq (,$(supported-ta-targets))
126supported-ta-targets = ta_rv32
127ifeq ($(CFG_RV64_core),y)
128supported-ta-targets += ta_rv64
129endif
130endif
131
132ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets))
133unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS))
134ifneq (,$(unsup-targets))
135$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets))
136endif
137
138ifneq ($(filter ta_rv32,$(ta-targets)),)
139# Variables for ta-target/sm "ta_rv32"
140CFG_RV32_ta_rv32 := y
141arch-bits-ta_rv32 := 32
142ta_rv32-platform-cppflags += $(rv32-platform-cppflags)
143ta_rv32-platform-cflags += $(rv32-platform-cflags)
144ta_rv32-platform-cflags += $(platform-cflags-optimization)
145ta_rv32-platform-cflags += $(platform-cflags-debug-info)
146ta_rv32-platform-cflags += -fpic
147
148ifeq ($(CFG_UNWIND),y)
149ta_rv32-platform-cflags += -funwind-tables
150endif
151ta_rv32-platform-aflags += $(platform-aflags-generic)
152ta_rv32-platform-aflags += $(platform-aflags-debug-info)
153ta_rv32-platform-aflags += $(rv32-platform-aflags)
154
155ta_rv32-platform-cxxflags += -fpic
156ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags)
157ta_rv32-platform-cxxflags += $(platform-cflags-optimization)
158ta_rv32-platform-cxxflags += $(platform-cflags-debug-info)
159
160ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32
161ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags
162ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags
163ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags
164ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags
165
166ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_
167ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_
168ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_
169ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_
170ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_
171ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_
172endif
173
174ifneq ($(filter ta_rv64,$(ta-targets)),)
175# Variables for ta-target/sm "ta_rv64"
176CFG_RV64_ta_rv64 := y
177arch-bits-ta_rv64 := 64
178ta_rv64-platform-cppflags += $(rv64-platform-cppflags)
179ta_rv64-platform-cflags += $(rv64-platform-cflags)
180ta_rv64-platform-cflags += $(platform-cflags-optimization)
181ta_rv64-platform-cflags += $(platform-cflags-debug-info)
182ta_rv64-platform-cflags += -fpic
183ta_rv64-platform-cflags += $(rv64-platform-cflags-generic)
184ifeq ($(rv64-platform-hard-float-enabled),y)
185ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float)
186else
187ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float)
188endif
189ta_rv64-platform-aflags += $(platform-aflags-generic)
190ta_rv64-platform-aflags += $(platform-aflags-debug-info)
191ta_rv64-platform-aflags += $(rv64-platform-aflags)
192
193ta_rv64-platform-cxxflags += -fpic
194ta_rv64-platform-cxxflags += $(platform-cflags-optimization)
195ta_rv64-platform-cxxflags += $(platform-cflags-debug-info)
196
197ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64
198ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags
199ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags
200ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags
201ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags
202
203ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_
204ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_
205ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_
206ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_
207ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_
208endif
209
210# Set cross compiler prefix for each TA target
211$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm)))))
212