From d98f46ce647846b0aa30b2e16a30fd4e152a1bf5 Mon Sep 17 00:00:00 2001
From: Carlos Maiolino <cem@kernel.org>
Date: Thu, 10 Jul 2025 22:55:07 +0200
Subject: Add new code

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>
---
 PGU/OLD/asm/exit.s    |  17 +++++++++++++++++
 PGU/OLD/asm/max.c     |  27 +++++++++++++++++++++++++++
 PGU/OLD/asm/max.s     |  39 +++++++++++++++++++++++++++++++++++++++
 PGU/OLD/asm/maximum   | Bin 0 -> 1120 bytes
 PGU/OLD/asm/maximum.s |  14 ++++++++++++++
 5 files changed, 97 insertions(+)
 create mode 100644 PGU/OLD/asm/exit.s
 create mode 100644 PGU/OLD/asm/max.c
 create mode 100644 PGU/OLD/asm/max.s
 create mode 100644 PGU/OLD/asm/maximum
 create mode 100644 PGU/OLD/asm/maximum.s

(limited to 'PGU/OLD/asm')

diff --git a/PGU/OLD/asm/exit.s b/PGU/OLD/asm/exit.s
new file mode 100644
index 0000000..b1ef45b
--- /dev/null
+++ b/PGU/OLD/asm/exit.s
@@ -0,0 +1,17 @@
+.section .data
+
+.section .text
+
+.globl _start
+
+_start:
+
+	# %eax should contain syscall number
+	# to be executed (exit syscall num: 1)
+	movl	$1, %eax
+
+	# %ebx contains syscall argument
+	movl	$5, %ebx
+
+	#Call syscall interrupt
+	int	$0x80
diff --git a/PGU/OLD/asm/max.c b/PGU/OLD/asm/max.c
new file mode 100644
index 0000000..5b4c37a
--- /dev/null
+++ b/PGU/OLD/asm/max.c
@@ -0,0 +1,27 @@
+int main(void)
+{
+
+	static int list[] = {10,20,30,40,5,50,60,70,80,90,0};
+	int i, ret;
+
+	ret = list[0];
+	i = 0;
+
+	/*
+	for (i = 0; list[i] != 0; i++) {
+		if (list[i] < ret)
+			ret = list[i];
+	}
+	*/
+	while (1) {
+		i++;
+
+		if (list[i] == 0)
+			return ret;
+
+		if (ret > list[i])
+			ret = list[i];
+	}
+
+	return ret;
+}
diff --git a/PGU/OLD/asm/max.s b/PGU/OLD/asm/max.s
new file mode 100644
index 0000000..21f750a
--- /dev/null
+++ b/PGU/OLD/asm/max.s
@@ -0,0 +1,39 @@
+	.file	"max.c"
+	.text
+	.globl	main
+	.type	main, @function
+main:
+.LFB0:
+	.cfi_startproc
+	movl	$list.1406+8, %ecx
+	movl	$20, %edx
+	movl	$10, %eax
+.L2:
+	cmpl	%edx, %eax
+	cmovg	%edx, %eax
+	addl	$4, %ecx
+	movl	-4(%ecx), %edx
+	testl	%edx, %edx
+	jne	.L2
+	rep ret
+	.cfi_endproc
+.LFE0:
+	.size	main, .-main
+	.section	.rodata
+	.align 32
+	.type	list.1406, @object
+	.size	list.1406, 44
+list.1406:
+	.long	10
+	.long	20
+	.long	30
+	.long	40
+	.long	5
+	.long	50
+	.long	60
+	.long	70
+	.long	80
+	.long	90
+	.long	0
+	.ident	"GCC: (GNU) 6.2.1 20160916 (Red Hat 6.2.1-2)"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/PGU/OLD/asm/maximum b/PGU/OLD/asm/maximum
new file mode 100644
index 0000000..4c7b855
Binary files /dev/null and b/PGU/OLD/asm/maximum differ
diff --git a/PGU/OLD/asm/maximum.s b/PGU/OLD/asm/maximum.s
new file mode 100644
index 0000000..cb6394c
--- /dev/null
+++ b/PGU/OLD/asm/maximum.s
@@ -0,0 +1,14 @@
+#%edi holds the current position
+#%ebx hold the current highest value
+#%eax hold the current element being examined
+
+.section.data data_items:
+.long 3, 4, 5, 65, 44, 36, 99, 6, 7, 8, 9, 0
+  data_end:.section.text.globl _start
+  _start:movl $ (data_items), %edi
+movl (%edi), %eax
+movl % eax, %ebx
+start_loop:cmpl $ (data_end), %edi
+je loop_exit
+addl $4, %edi
+movl (%edi), %eax cmpl % ebx, %eax jle start_loop movl % eax, %ebx jmp start_loop loop_exit:movl $1, %eax int $0x80
-- 
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