wip no stack issue

Author: anischali

arch/riscv/Kconfig.socs

@@ -20,7 +20,8 @@ config SOC_SPACEMIT_K1
 	depends on ARCH_RV64I
 	select HAS_DEBUG_LL
 	select DEBUG_SPACEMIT_K1
-	select RISCV_M_MODE
+	select RISCV_S_MODE
+	select RISCV_ICACHE
 	select RISCV_TIMER
 
 config BOARD_SPACEMIT_K1

arch/riscv/boards/spacemit_k1/lowlevel.c

@@ -12,11 +12,15 @@ ENTRY_FUNCTION(start_spacemit_k1, a0, a1, a2)
 
 	debug_ll_init();
 
-    if (a1 != 0xffffffff) {
+    if (a1 && fdt_check_header((void *)a1) == 0) {
         fdt = (void *)a1;
     } else {
         fdt = __dtb_z_spacemit_k1_start + get_runtime_offset();
     }
 
-	barebox_riscv_supervisor_entry(0x80000000, SZ_128M, a0, fdt);
+
+    puthex_ll((unsigned long)fdt);
+    putc_ll('\n');
+
+	barebox_riscv_supervisor_entry(0xC0020000, SZ_1G, a0, fdt);
 }

arch/riscv/boot/uncompress.c

@@ -38,7 +38,9 @@ void __noreturn barebox_pbl_start(unsigned long membase, unsigned long memsize,
 	struct elf_image elf;
 	int ret;
 
+	putc_ll('>');
 	irq_init_vector(riscv_mode());
+	putc_ll('<');
 
 	/* piggy data is not relocated, so determine the bounds now */
 	pg_start = runtime_address(input_data);
@@ -51,10 +53,15 @@ void __noreturn barebox_pbl_start(unsigned long membase, unsigned long memsize,
 	 * to the current address. Otherwise it may be a readonly location.
 	 * Copy and relocate to the start of the memory in this case.
 	 */
-	if (pc > membase && pc - membase < memsize)
+	putc_ll('>');
+	if (pc > membase && pc - membase < memsize) {
+		putc_ll('1');
 		relocate_to_current_adr();
-	else
+	}
+	else {
+		putc_ll('2');
 		relocate_to_adr(membase);
+	}
 
 	barebox_base = riscv_mem_barebox_image(membase, endmem,
 					       uncompressed_len + MAX_BSS_SIZE);

images/barebox-standalone.its

@@ -12,7 +12,7 @@
 			os = "barebox";
 			arch = "riscv";
 			compression = "none";
-			load = <0x0 0x00200000>;
+			load = <0x0 0x20000>;
 			data = /incbin/("./barebox-spacemit-k1.img");
 			hash-1 {
 				algo = "crc32";