folkert/simh-testsetgenerator
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

VAX: Added Register Bit Field definitions for the PSL register

Browse source
This commit is contained in:
Mark Pizzolato 2013-08-21 13:51:25 -07:00
parent c8f775a91e
commit da8dd3c7e6
1 changed files with 26 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
VAX/vax_cpu.c
View file

@ -408,6 +408,31 @@ UNIT cpu_unit = {
UDATA (&cpu_idle_svc, UNIT_FIX|UNIT_BINK, INITMEMSIZE)
};
char *psl_modes[] = {"K", "E", "S", "U"};
BITFIELD psl_bits[] = {
BIT(C), /* Carry */
BIT(V), /* Overflow */
BIT(Z), /* Zero */
BIT(N), /* Negative */
BIT(T), /* trace */
BIT(IV), /* Integer overflow */
BIT(FU), /* Floating underflow */
BIT(DV), /* Decimal overflow */
BITNCF(8), /* MBZ */
BITFFMT(IPL,5,%d), /* IPL */
BITNCF(1), /* MBZ */
BITFNAM(PRVMOD,2,psl_modes), /* Previous Access Mode */
BITFNAM(CURMOD,2,psl_modes), /* Current Access Mode */
BIT(IS), /* Interrupt Stack */
BIT(FPD), /* First Part Done */
BITNCF(2), /* MBZ */
BIT(TP), /* Trace Pending */
BIT(CM), /* Compatibility Mode */
ENDBITS
};
REG cpu_reg[] = {
{ HRDATAD (PC, R[nPC], 32, "program counter") },
{ HRDATAD (R0, R[0], 32, "General Purpose Register 0") },
@ -428,7 +453,7 @@ REG cpu_reg[] = {
{ HRDATAD (AP, R[nAP], 32, "Alias for R12") },
{ HRDATAD (FP, R[nFP], 32, "Alias for R13") },
{ HRDATAD (SP, R[nSP], 32, "Alias for R14") },
{ HRDATAD (PSL, PSL, 32, "processor status longword") },
{ HRDATADF(PSL, PSL, 32, "processor status longword", psl_bits) },
{ HRDATAD (CC, PSL, 4, "condition codes, PSL<3:0>") },
{ HRDATAD (KSP, KSP, 32, "kernel stack pointer") },
{ HRDATAD (ESP, ESP, 32, "executive stack pointer") },