Renesas SH7781 - Manual (Page 138)

5. Exception Handling
Rev.1.00 Jan. 10, 2008 Page 108 of 1658
REJ09B0261-0100
The PC and SR contents for the instruction at which this exception occurred are saved in SPC
and SSR. The R15 contents at this time are saved in SGR.
Exception code H'0A0 (for a read access) or H'0C0 (for a write access) is set in EXPEVT. The
BL, MD, and RB bits are set to 1 in SR, and a branch is made to PC = VBR + H'0100.
Data_TLB_protection_violation_exception()
{
TEA = EXCEPTION_ADDRESS;
PTEH.VPN = PAGE_NUMBER;
SPC = PC;
SSR = SR;
SGR = R15;
EXPEVT = read_access ? H'0000 00A0 : H'0000 00C0;
SR.MD = 1;
SR.RB = 1;
SR.BL = 1;
PC = VBR + H'0000 0100;
}