Add HiFive1-flash target configuration.

2 files changed, 59 insertions, 0 deletions

diff --git a/debug/targets/SiFive/HiFive1-flash.lds b/debug/targets/SiFive/HiFive1-flash.lds
new file mode 100644
index 0000000..e4074be
--- /dev/null
+++ b/debug/targets/SiFive/HiFive1-flash.lds
@@ -0,0 +1,44 @@
+OUTPUT_ARCH( "riscv" )
+
+MEMORY
+{
+    flash (rxl) : ORIGIN = 0x20400000, LENGTH = 128K
+    ram (wx) : ORIGIN = 0x80000000, LENGTH = 16K
+}
+
+SECTIONS
+{
+  flash_text : {
+    *(.text.entry)
+    *(.text)
+  } >flash
+
+  /* data segment */
+  .data : { *(.data) } >ram
+
+  .sdata : {
+    __global_pointer$ = . + 0x800;
+    *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2)
+    *(.srodata*)
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+  } >ram
+
+  /* bss segment */
+  __bss_start = .;
+  .sbss : {
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+  } >ram
+  .bss : { *(.bss) } >ram
+  __bss_end = .;
+
+  __malloc_start = .;
+  . = . + 512;
+
+  /* End of uninitalized data segement */
+  _end = .;
+}
+
+ENTRY(_start)
+
+ASSERT(_end < 0x80004000, "program is too large")
diff --git a/debug/targets/SiFive/HiFive1-flash.py b/debug/targets/SiFive/HiFive1-flash.py
new file mode 100644
index 0000000..06dfcfc
--- /dev/null
+++ b/debug/targets/SiFive/HiFive1-flash.py
@@ -0,0 +1,15 @@
+import targets
+
+# Like HiFive1, but put code in flash
+
+class HiFive1FlashHart(targets.Hart):
+    xlen = 32
+    ram = 0x80000000
+    ram_size = 16 * 1024
+    instruction_hardware_breakpoint_count = 2
+    misa = 0x40001105
+    link_script_path = "HiFive1-flash.lds"
+
+class HiFive1Flash(targets.Target):
+    harts = [HiFive1FlashHart()]
+    openocd_config_path = "HiFive1.cfg"