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new file mode 100644
index 00000000000..63526d43f09
--- /dev/null
+++ b/arch/8051/src/.gitignore
@@ -0,0 +1,16 @@
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new file mode 100644
index 00000000000..06655cab47a
--- /dev/null
+++ b/arch/arm/include/.gitignore
@@ -0,0 +1,3 @@
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new file mode 100644
index 00000000000..11ae4f83bf9
--- /dev/null
+++ b/arch/arm/src/.gitignore
@@ -0,0 +1,6 @@
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new file mode 100644
index 00000000000..06655cab47a
--- /dev/null
+++ b/arch/avr/include/.gitignore
@@ -0,0 +1,3 @@
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new file mode 100644
index 00000000000..11ae4f83bf9
--- /dev/null
+++ b/arch/avr/src/.gitignore
@@ -0,0 +1,6 @@
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new file mode 100644
index 00000000000..8c2073f4cb7
--- /dev/null
+++ b/arch/hc/include/.gitignore
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new file mode 100644
index 00000000000..50d82248d5d
--- /dev/null
+++ b/arch/hc/src/.gitignore
@@ -0,0 +1,7 @@
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new file mode 100644
index 00000000000..dc63921a65a
--- /dev/null
+++ b/arch/mips/include/.gitignore
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new file mode 100644
index 00000000000..8200050d1c4
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+++ b/arch/mips/src/.gitignore
@@ -0,0 +1,6 @@
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new file mode 100644
index 00000000000..dc63921a65a
--- /dev/null
+++ b/arch/rgmp/include/.gitignore
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new file mode 100644
index 00000000000..8200050d1c4
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+++ b/arch/rgmp/src/.gitignore
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new file mode 100644
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+++ b/arch/sh/src/.gitignore
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new file mode 100644
index 00000000000..b4b4afafba9
--- /dev/null
+++ b/arch/sim/include/.gitignore
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new file mode 100644
index 00000000000..0fea570657a
--- /dev/null
+++ b/arch/sim/src/.gitignore
@@ -0,0 +1,9 @@
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new file mode 100644
index 00000000000..8c2073f4cb7
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new file mode 100644
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new file mode 100644
index 00000000000..bfbab21d3bf
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+++ b/arch/z16/src/.gitignore
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new file mode 100644
index 00000000000..dc63921a65a
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new file mode 100644
index 00000000000..a61725d0cfd
--- /dev/null
+++ b/arch/z80/src/.gitignore
@@ -0,0 +1,24 @@
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new file mode 100644
index 00000000000..33ac7f84357
--- /dev/null
+++ b/arch/z80/src/z80/.gitignore
@@ -0,0 +1,3 @@
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