URL https://opencores.org/ocsvn/or1k/or1k/trunk

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[/] [or1k/] [branches/] [stable_0_2_x/] [or1ksim/] [cpu/] [or1k/] [sprs.c] - Diff between revs 1550 and 1551

Rev 1550	Rev 1551
Line 201...	Line 201...
`}`	`}`

`/* Get a specific SPR. */`	`/* Get a specific SPR. */`
`uorreg_t mfspr(const uint16_t regno)`	`uorreg_t mfspr(const uint16_t regno)`
`{`	`{`
`extern oraddr_t pcprev;`
`uorreg_t ret;`	`uorreg_t ret;`

`ret = cpu_state.sprs[regno];`	`ret = cpu_state.sprs[regno];`

`switch (regno) {`	`switch (regno) {`
`case SPR_NPC:`	`case SPR_NPC:`
`ret = cpu_state.pc;`	`ret = cpu_state.pc;`
`case SPR_PPC:`
`ret = pcprev;`
`case SPR_TTCR:`	`case SPR_TTCR:`
`ret = spr_read_ttcr();`	`ret = spr_read_ttcr();`
`default:`	`default:`
`/* Links to GPRS */`	`/* Links to GPRS */`
`if(regno >= 0x0400 && regno < 0x0420)`	`if(regno >= 0x0400 && regno < 0x0420)`