X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;ds=sidebyside;f=src%2Fregs.s;fp=src%2Fregs.s;h=713112e48bf635d10a177415eb597e37a38e59c7;hb=a2f94f569a4c99204de02814a20098a71527e913;hp=0000000000000000000000000000000000000000;hpb=d1e8a437c1fab4535f82c4c214ec3330ac32e48d;p=bootcensus

diff --git a/src/regs.s b/src/regs.s
new file mode 100644
index 0000000..713112e
--- /dev/null
+++ b/src/regs.s
@@ -0,0 +1,54 @@
+	.text
+	.align 4
+
+	.globl get_regs
+get_regs:
+	pushl %ebp
+	movl %esp, %ebp
+
+	pushl %edx
+	movl 8(%ebp), %edx
+
+	movl %eax, (%edx)
+	movl %ebx, 4(%edx)
+	movl %ecx, 8(%edx)
+	
+	# juggle edx
+	movl %edx, %eax
+	popl %edx
+	movl %edx, 12(%eax)
+	pushl %edx
+	movl %eax, %edx
+	
+	# those two are pointless in a function
+	movl %esp, 16(%edx)
+	movl %ebp, 20(%edx)
+
+	movl %esi, 24(%edx)
+	movl %edi, 28(%edx)
+
+	pushf
+	popl %eax
+	movl %eax, 32(%edx)
+
+	movw %cs, 36(%edx)
+	movw %ss, 40(%edx)
+	movw %ds, 44(%edx)
+	movw %es, 48(%edx)
+	movw %fs, 52(%edx)
+	movw %gs, 56(%edx)
+
+	pushl %ebx
+	movl %cr0, %ebx
+	movl %ebx, 60(%edx)
+	#movl %cr1, %ebx
+	#movl %ebx, 64(%edx)
+	movl %cr2, %ebx
+	movl %ebx, 68(%edx)
+	movl %cr3, %ebx
+	movl %ebx, 72(%edx)
+	popl %ebx
+
+	popl %edx
+	popl %ebp
+	ret