build: introduce declarative non-recursive build graph

4 files changed, 21 insertions, 20 deletions

diff --git a/arch/riscv/Build.mk b/arch/riscv/Build.mk
new file mode 100644
index 0000000..0a18344
--- /dev/null
+++ b/arch/riscv/Build.mk
@@ -0,0 +1,19 @@
+targets += arch/riscv
+target.arch/riscv.kind := source-set
+target.arch/riscv.public-includes := arch/riscv/include
+target.arch/riscv.sources := \
+    arch/riscv/mm/pmap.cc \
+    arch/riscv/mm/init.cc \
+    arch/riscv/config.cc \
+    arch/riscv/trap/trap_md.cc \
+    arch/riscv/syscall/syscall_md.cc \
+    arch/riscv/lib/random.cc \
+    arch/riscv/mm/tlb_md.cc \
+    arch/riscv/kernel/head.S \
+    arch/riscv/trap/swtch.S \
+    arch/riscv/trap/fpu.S \
+    arch/riscv/trap/trap_vector.S \
+    arch/riscv/uaccess/uaccess_memcpy.S \
+    arch/riscv/trap/extable.cc \
+    arch/riscv/kernel/signal.cc
+
diff --git a/arch/riscv/include/asm/sections.h b/arch/riscv/include/asm/sections.h
index 454d9de..7067444 100644
--- a/arch/riscv/include/asm/sections.h
+++ b/arch/riscv/include/asm/sections.h
@@ -23,7 +23,7 @@ extern "C" {
 #endif
 
 extern char _start[];
-extern char _end[];
+extern char _kernel_end[];
 
 extern char _stext[];
 extern char _etext[];
diff --git a/arch/riscv/mm/init.cc b/arch/riscv/mm/init.cc
index 3cebcd9..30ea45e 100644
--- a/arch/riscv/mm/init.cc
+++ b/arch/riscv/mm/init.cc
@@ -88,7 +88,7 @@ extern "C" void __init setup_vm(uintptr_t load_pa, uintptr_t dtb_pa)
     kernel_map.virt_offset         = 0;
     kernel_map.virt_addr           = KERNEL_LINK_ADDR + kernel_map.virt_offset;
     kernel_map.phys_addr           = load_pa;
-    kernel_map.size                = (uintptr_t)_end - (uintptr_t)_start;
+    kernel_map.size                = (uintptr_t)_kernel_end - (uintptr_t)_start;
     kernel_map.page_offset         = PAGE_OFFSET;
 
     /* Mirrors Linux: va_pa_offset is the constant added to a physical
diff --git a/arch/riscv/module.mk b/arch/riscv/module.mk
deleted file mode 100644
index 97d22de..0000000
--- a/arch/riscv/module.mk
+++ /dev/null
@@ -1,18 +0,0 @@
-# arch/riscv/module.mk
-SRCS_CC += arch/riscv/mm/pmap.cc
-SRCS_CC += arch/riscv/mm/init.cc
-SRCS_CC += arch/riscv/config.cc
-SRCS_CC += arch/riscv/trap/trap_md.cc
-SRCS_CC += arch/riscv/syscall/syscall_md.cc
-SRCS_CC += arch/riscv/lib/random.cc
-SRCS_CC += arch/riscv/mm/tlb_md.cc
-SRCS_S  += arch/riscv/kernel/head.S
-SRCS_S  += arch/riscv/trap/swtch.S
-SRCS_S  += arch/riscv/trap/fpu.S
-SRCS_S  += arch/riscv/trap/trap_vector.S
-SRCS_S  += arch/riscv/uaccess/uaccess_memcpy.S
-SRCS_CC += arch/riscv/trap/extable.cc
-SRCS_CC += arch/riscv/kernel/signal.cc
-
-# Arch-specific headers (added to include path)
-INCLUDES += -Iarch/riscv/include