ARM volatile and non-volatile

http://stackoverflow.com/questions/261419/arm-to-c-calling-convention-registers-to-save


To summarize:

• r0-r3 are not callee-saved
• r4-r11 are callee-saved
• r12 (alias ip) is not callee-saved
• r13 (alias sp) is callee-saved
• r14 (alias lr) is not callee-saved
• r15 (alias pc) is the program counter and is set to the value of lr prior to the function call

ARM good assembly reference


http://milkpot.sakura.ne.jp/note/arm.html


Unsigned Comparison ARM
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473j/dom1359731162080.html


Synonyms of PUSH, POP
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0489e/Babefbce.html


Calling convention for different CPUs:
http://www.ertl.jp/~takayuki/readings/info/no04.html

SH7753EVB

http://lxr.free-electrons.com/source/drivers/net/phy/vitesse.c
http://www.ieee802.org/3/ab/public/nov97/1gig.an.presentation1.pdf
http://lxr.free-electrons.com/source/drivers/net/ethernet/renesas/sh_eth.c#L970


Clear ITLB before PMB mapping.
http://lists.denx.de/pipermail/u-boot/2013-December/169411.html