From 9cab06121021ce8fb4626dfdbe34ef50bf55f182 Mon Sep 17 00:00:00 2001
From: JozanLeClerc <>
Date: Sun, 22 May 2022 15:12:53 +0000
Subject: Update
FossilOrigin-Name: 34d2b122f1068e995b1a752fbfc9d37878cf4e80
---
src/c_cpu.S | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
src/c_example.S | 6 ++++--
2 files changed, 50 insertions(+), 3 deletions(-)
diff --git a/src/c_cpu.S b/src/c_cpu.S
index 1c5a30c..395b176 100644
--- a/src/c_cpu.S
+++ b/src/c_cpu.S
@@ -48,6 +48,15 @@
c_cpu:
fork_model:
+ xorq %rdi, %rdi
+ xorq %rsi, %rsi
+ xorq %rdx, %rdx
+ xorq %rax, %rax
+ movb $0x1, %dil
+ movq $str_model, %rsi
+ movq $len_model, %rdx
+ movb $0x4, %al /* SYS_write */
+ syscall
xorq %rdi, %rdi
xorq %rsi, %rsi
xorq %rax, %rax
@@ -59,6 +68,15 @@ fork_model:
jg wait_model
fork_ncpu:
+ xorq %rdi, %rdi
+ xorq %rsi, %rsi
+ xorq %rdx, %rdx
+ xorq %rax, %rax
+ movb $0x1, %dil
+ movq $str_ncpu, %rsi
+ movq $len_ncpu, %rdx
+ movb $0x4, %al /* SYS_write */
+ syscall
xorq %rdi, %rdi
xorq %rsi, %rsi
xorq %rax, %rax
@@ -70,6 +88,15 @@ fork_ncpu:
jg wait_ncpu
fork_lscpu:
+ xorq %rdi, %rdi
+ xorq %rsi, %rsi
+ xorq %rdx, %rdx
+ xorq %rax, %rax
+ movb $0x1, %dil
+ movq $str_lscpu, %rsi
+ movq $len_lscpu, %rdx
+ movb $0x4, %al /* SYS_write */
+ syscall
xorq %rdi, %rdi
xorq %rsi, %rsi
xorq %rax, %rax
@@ -154,6 +181,17 @@ wait_lscpu:
xorq %rax, %rax
movb $0x7, %al /* sys_wait4 */
syscall
+
+write_end:
+ xorq %rdi, %rdi
+ xorq %rsi, %rsi
+ xorq %rdx, %rdx
+ xorq %rax, %rax
+ movb $0x1, %dil
+ movq $str_end, %rsi
+ movq $len_end, %rdx
+ movb $0x4, %al /* SYS_write */
+ syscall
retq
err:
@@ -164,7 +202,14 @@ err:
syscall
.data
-# sysctl hw.model\n\t\t\tsysctl hw.ncpu\n\t\t\tlscpu
+ str_model: .asciz "\t\t\n\t\t\tsysctl hw.model:\n\t\t
\n\t\t\n"
+ len_model = . - str_model
+ str_ncpu: .asciz "\t\t
\n\t\t\n\t\t\tsysctl hw.ncpu:\n\t\t
\n\t\t\n"
+ len_ncpu = . - str_ncpu
+ str_lscpu: .asciz "\t\t
\n\t\t\n\t\t\tlscpu:\n\t\t
\n\t\t\n"
+ len_lscpu = . - str_lscpu
+ str_end: .asciz "\t\t
\n"
+ len_end = . - str_end
sysctl: .asciz "/sbin/sysctl"
lscpu: .asciz "/usr/local/bin/lscpu"
model: .asciz "hw.model"
diff --git a/src/c_example.S b/src/c_example.S
index 3de431b..17b2f34 100644
--- a/src/c_example.S
+++ b/src/c_example.S
@@ -58,6 +58,8 @@ write_begin:
movq $len_begin, %rdx
movb $0x4, %al /* SYS_write */
syscall
+
+cpu:
callq c_cpu
write_end:
@@ -75,7 +77,7 @@ end:
retq
.data
- str_begin: .ascii "Content-type: text/html\n\n\n\t\n\t\tTitle\n\t\n\t\n\t\tasm-cgi-example
\n\t\t\n\t\t\tThis page was generated by a small assembly program. It will run some shell commands for you. It's pointless in essence but I am trying to prove a point.\n\t\t
\n\t\tSome CPU infos
\n\t\t\n\t\t\tLet's fetch some infos about this server's CPU.\n\t\t\n\t\t
\n"
+ str_begin: .ascii "Content-type: text/html\n\n\n\t\n\t\tTitle\n\t\n\t\n\t\tasm-cgi-example
\n\t\t\n\t\t\tThis page was generated by a small assembly program. It will run some shell commands for you. It's pointless in essence but I am trying to prove a point.\n\t\t
\n\t\tSome CPU infos
\n\t\t\n\t\t\tLet's fetch some infos about this server's CPU.\n\t\t
\n"
len_begin = . - str_begin
- str_end: .ascii "\t\t
\n\t\n\n"
+ str_end: .ascii "\t\n\n"
len_end = . - str_end
--
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