diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -63,6 +63,12 @@
     libc.src.inttypes.imaxdiv
     libc.src.inttypes.strtoimax
     libc.src.inttypes.strtoumax
+
+    # stdio.h entrypoints
+    libc.src.stdio.sprintf
+    libc.src.stdio.snprintf
+    libc.src.stdio.vsprintf
+    libc.src.stdio.vsnprintf
  
     # stdlib.h entrypoints
     libc.src.stdlib.abs
diff --git a/libc/config/baremetal/arm/headers.txt b/libc/config/baremetal/arm/headers.txt
--- a/libc/config/baremetal/arm/headers.txt
+++ b/libc/config/baremetal/arm/headers.txt
@@ -4,6 +4,7 @@
     libc.include.errno
     libc.include.inttypes
     libc.include.math
+    libc.include.stdio
     libc.include.stdlib
     libc.include.string
     libc.include.strings
diff --git a/libc/config/baremetal/riscv32/entrypoints.txt b/libc/config/baremetal/riscv32/entrypoints.txt
--- a/libc/config/baremetal/riscv32/entrypoints.txt
+++ b/libc/config/baremetal/riscv32/entrypoints.txt
@@ -64,6 +64,12 @@
     libc.src.inttypes.strtoimax
     libc.src.inttypes.strtoumax
 
+    # stdio.h entrypoints
+    libc.src.stdio.sprintf
+    libc.src.stdio.snprintf
+    libc.src.stdio.vsprintf
+    libc.src.stdio.vsnprintf
+
     # stdlib.h entrypoints
     libc.src.stdlib.abs
     libc.src.stdlib.atoi
diff --git a/libc/config/baremetal/riscv32/headers.txt b/libc/config/baremetal/riscv32/headers.txt
--- a/libc/config/baremetal/riscv32/headers.txt
+++ b/libc/config/baremetal/riscv32/headers.txt
@@ -4,6 +4,7 @@
     libc.include.errno
     libc.include.inttypes
     libc.include.math
+    libc.include.stdio
     libc.include.stdlib
     libc.include.string
     libc.include.strings
diff --git a/libc/src/stdio/CMakeLists.txt b/libc/src/stdio/CMakeLists.txt
--- a/libc/src/stdio/CMakeLists.txt
+++ b/libc/src/stdio/CMakeLists.txt
@@ -26,6 +26,14 @@
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/generic)
 endif()
 
+if(${LIBC_TARGET_OS} STREQUAL "baremetal")
+  list(APPEND printf_copts
+      "-DLIBC_COPT_PRINTF_DISABLE_FLOAT"
+      "-DLIBC_COPT_PRINTF_DISABLE_INDEX_MODE"
+      "-DLIBC_COPT_PRINTF_DISABLE_WRITE_INT"
+    )
+endif()
+
 add_subdirectory(printf_core)
 add_subdirectory(scanf_core)
 
@@ -419,13 +427,13 @@
       libc.src.stdio.printf_core.vfprintf_internal
 )
 if(LLVM_LIBC_FULL_BUILD)
- list(APPEND printf_deps
+  list(APPEND printf_deps
       libc.src.__support.File.file
       libc.src.__support.File.platform_file
       libc.src.__support.File.platform_stdout
   )
 else()
- set(printf_copts "-DLIBC_COPT_PRINTF_USE_SYSTEM_FILE")
+  list(APPEND printf_copts "-DLIBC_COPT_PRINTF_USE_SYSTEM_FILE")
 endif()
 
 add_entrypoint_object(
diff --git a/libc/src/stdio/printf_core/CMakeLists.txt b/libc/src/stdio/printf_core/CMakeLists.txt
--- a/libc/src/stdio/printf_core/CMakeLists.txt
+++ b/libc/src/stdio/printf_core/CMakeLists.txt
@@ -93,6 +93,7 @@
     libc.src.__support.float_to_string
   COMPILE_OPTIONS
     -DLIBC_COPT_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE
+    ${printf_copts}
 )