hwstub: add stmp clkctrl code and generic register dumper

Change-Id: I432853fb4171f07ed23b73dc0499814fe8ce8748

1 files changed, 38 insertions, 0 deletions

diff --git a/utils/hwstub/tools/lua/dumper.lua b/utils/hwstub/tools/lua/dumper.lua
new file mode 100644
index 0000000000..51d9bc7ecc
--- /dev/null
+++ b/utils/hwstub/tools/lua/dumper.lua
@@ -0,0 +1,38 @@
+DUMPER = {}
+
+local h = HELP:create_topic("DUMPER")
+h:add("This table contains some tools to dump the registers from the device to a file.")
+
+local hh = h:create_topic("dump_all")
+hh:add("The DUMPER.dump_all(file) function dumps all the registers under HW to a file.")
+hh:add("If the argument is a string, the function will interpret it as a path.")
+hh:add("Otherwise it will be interpreted as an object returned by io.open")
+
+function DUMPER.dump_all_reg(prefix, hw, f)
+    for reg, tabl in pairs(hw) do
+        if type(reg) == "string" and type(tabl) == "table" and tabl.read ~= nil then
+            f:write(string.format("%s%s = %#08x\n", prefix, tabl.name, tabl.read()))
+        end
+    end
+end
+
+function DUMPER.dump_all_dev(prefix, hw, f)
+    for block, tabl in pairs(hw) do
+        if type(block) == "string" and type(tabl) == "table" then
+            DUMPER.dump_all_reg(prefix .. block .. ".", tabl, f)
+        end
+    end
+end
+
+function DUMPER.dump_all(file)
+    local f = file
+    if type(file) == "string" then
+        f = io.open(file, "w")
+    end
+    if f == nil then error("Cannot open file or write to nil") end
+    f:write(string.format("HW = %s\n", HW.name))
+    DUMPER.dump_all_dev("HW.", HW, f)
+    if type(file) == "string" then
+        io.close(f)
+    end
+end
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