code -> fw

1 files changed, 153 insertions, 0 deletions

diff --git a/fw/fe310/bsp/default.lds b/fw/fe310/bsp/default.lds
new file mode 100644
index 0000000..cabcf01
--- /dev/null
+++ b/fw/fe310/bsp/default.lds
@@ -0,0 +1,153 @@
+OUTPUT_ARCH("riscv")
+
+ENTRY(_enter)
+
+MEMORY
+{
+	flash (rxai!w) : ORIGIN = 0x20000000, LENGTH = 0x6a120
+	itim (wx!rai) : ORIGIN = 0x8000000, LENGTH = 0x2000
+	ram (wxa!ri) : ORIGIN = 0x80000000, LENGTH = 0x4000
+}
+
+PHDRS
+{
+	flash PT_LOAD;
+	ram PT_LOAD;
+	ram_init PT_LOAD;
+	itim PT_LOAD;
+	itim_init PT_LOAD;
+}
+
+SECTIONS
+{
+
+	__stack_size = 0x1000;
+	PROVIDE(__metal_boot_hart = 0);
+	PROVIDE(__metal_chicken_bit = 0);
+
+	.init : {
+		KEEP (*(.text.metal.init.enter))
+		KEEP (*(.text.metal.init.*))
+		KEEP (*(SORT_NONE(.init)))
+		KEEP (*(.text.libgloss.start))
+	} >flash AT>flash :flash
+
+	.fini : {
+		KEEP (*(SORT_NONE(.fini)))
+	} >flash AT>flash :flash
+
+	.text : {
+		*(.text.unlikely .text.unlikely.*)
+		*(.text.startup .text.startup.*)
+		*(.text .text.*)
+		*(.gnu.linkonce.t.*)
+	} >flash AT>flash :flash
+
+	PROVIDE (__etext = .);
+	PROVIDE (_etext = .);
+	PROVIDE (etext = .);
+
+	.rodata : {
+		*(.rdata)
+		*(.rodata .rodata.*)
+		*(.gnu.linkonce.r.*)
+		. = ALIGN(8);
+		*(.srodata.cst16)
+		*(.srodata.cst8)
+		*(.srodata.cst4)
+		*(.srodata.cst2)
+		*(.srodata .srodata.*)
+	} >flash AT>flash :flash
+
+	. = ALIGN(8);
+
+	.preinit_array : {
+		PROVIDE_HIDDEN (__preinit_array_start = .);
+		KEEP (*(.preinit_array))
+		PROVIDE_HIDDEN (__preinit_array_end = .);
+	} >flash AT>flash :flash
+
+	.init_array : {
+		PROVIDE_HIDDEN (__init_array_start = .);
+		KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
+		KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
+		PROVIDE_HIDDEN (__init_array_end = .);
+	} >flash AT>flash :flash
+
+	.fini_array : {
+		PROVIDE_HIDDEN (__fini_array_start = .);
+		KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
+		KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
+		PROVIDE_HIDDEN (__fini_array_end = .);
+	} >flash AT>flash :flash
+
+	.ctors : {
+		KEEP (*crtbegin.o(.ctors))
+		KEEP (*crtbegin?.o(.ctors))
+		KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
+		KEEP (*(SORT(.ctors.*)))
+		KEEP (*(.ctors))
+	} >flash AT>flash :flash
+
+	.dtors : {
+		KEEP (*crtbegin.o(.dtors))
+		KEEP (*crtbegin?.o(.dtors))
+		KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
+		KEEP (*(SORT(.dtors.*)))
+		KEEP (*(.dtors))
+	} >flash AT>flash :flash
+
+	.itim : ALIGN(8) {
+		*(.itim .itim.*)
+	} >itim AT>flash :itim_init
+
+	PROVIDE( metal_segment_itim_source_start = LOADADDR(.itim) );
+	PROVIDE( metal_segment_itim_target_start = ADDR(.itim) );
+	PROVIDE( metal_segment_itim_target_end = ADDR(.itim) + SIZEOF(.itim) );
+
+	.data : ALIGN(8) {
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		. = ALIGN(8);
+		PROVIDE( __global_pointer$ = . + 0x800 );
+		*(.sdata .sdata.* .sdata2.*)
+		*(.gnu.linkonce.s.*)
+	} >itim AT>flash :itim_init
+/*	>ram AT>flash :ram_init */
+
+	PROVIDE( metal_segment_data_source_start = LOADADDR(.data) );
+	PROVIDE( metal_segment_data_target_start = ADDR(.data) );
+	PROVIDE( metal_segment_data_target_end = ADDR(.data) + SIZEOF(.data) );
+
+	.bss : ALIGN(8) {
+		*(.ibss .ibss.*)
+		*(.sbss*)
+		*(.gnu.linkonce.sb.*)
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+	} >itim AT>ram :itim
+/*	>ram AT>ram :ram */
+
+	PROVIDE( metal_segment_bss_target_start = ADDR(.bss) );
+	PROVIDE( metal_segment_bss_target_end = ADDR(.bss) + SIZEOF(.bss) );
+
+	__heap_size = 0x4000 - __stack_size;
+	.heap : {
+		PROVIDE( metal_segment_heap_target_start = . );
+		. += __heap_size;
+		PROVIDE( metal_segment_heap_target_end = . );
+		PROVIDE( _heap_end = . );
+	} >ram AT>ram :ram
+
+	PROVIDE(__stack_size = __stack_size);
+
+	.stack : {
+		PROVIDE(metal_segment_stack_begin = .);
+		. += __stack_size;
+		PROVIDE(metal_segment_stack_end = .);
+		PROVIDE( _sp = . );
+	} >ram AT>ram :ram
+
+}
+