aboutsummaryrefslogtreecommitdiffstats
path: root/asm/r_cpyhead.S
diff options
context:
space:
mode:
Diffstat (limited to 'asm/r_cpyhead.S')
-rw-r--r--asm/r_cpyhead.S62
1 files changed, 62 insertions, 0 deletions
diff --git a/asm/r_cpyhead.S b/asm/r_cpyhead.S
new file mode 100644
index 0000000..f290cbb
--- /dev/null
+++ b/asm/r_cpyhead.S
@@ -0,0 +1,62 @@
+/*
+ * ========================
+ * ===== ===============
+ * ====== ================
+ * ====== ================
+ * ====== ==== ==== ==
+ * ====== === == = =
+ * ====== === = == =
+ * = === === = == ====
+ * = === === = == = =
+ * == ===== ==== ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/r_cpyhead.S
+ * Wed Feb 10 18:25:22 CET 2021
+ * Joe
+ */
+
+.text
+.extern sprintf
+.globl r_cpyhead
+
+r_cpyhead:
+ movq $buff, %rdi
+ movq $n_head, %rsi
+ xorq %rax, %rax
+ callq sprintf
+ movq $buff, %rax
+ retq
+
+.data
+ n_head: .asciz "Low battery: %d%%"
+
+.bss
+ buff: .zero 0x11