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* armemu.h (GETSPSR): Call ARMul_GetSPSR().

Browse Source 
* armsupp.c (ARMul_CPSRAltered): Zero out bits as they're
extracted from state->Cpsr, but preserve the unused bits.
(ARMul_GetCPSR): Get bits preserved in state->Cpsr.
(ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to
get the full CPSR word.
This commit is contained in:
Alexandre Oliva 2000-07-04 06:19:29 +00:00
parent 4ef2594f4e
commit cf52c765b0
3 changed files with 18 additions and 4 deletions
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7
sim/arm/ChangeLog
View File

@ -1,5 +1,12 @@
2000-07-04 Alexandre Oliva <aoliva@redhat.com>
* armemu.h (GETSPSR): Call ARMul_GetSPSR().
* armsupp.c (ARMul_CPSRAltered): Zero out bits as they're
extracted from state->Cpsr, but preserve the unused bits.
(ARMul_GetCPSR): Get bits preserved in state->Cpsr.
(ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to
get the full CPSR word.
* armemu.h (PSR_FBITS, PSR_SBITS, PSR_XBITS, PSR_CBITS): New.
(SETPSR_F, SETPSR_S, SETPSR_X, SETPSR_C): New macros.
(SETPSR, SET_INTMODE, SETCC): Removed.

2
sim/arm/armemu.h
View File

@ -163,7 +163,7 @@ extern ARMword isize;
#define PATCHR15 state->Reg[15] = ECC | ER15INT | EMODE | R15PC
#endif
#define GETSPSR(bank) bank>0?state->Spsr[bank]:ECC | EINT | EMODE ;
#define GETSPSR(bank) (ARMul_GetSPSR (state, EMODE))
#define SETPSR_F(d,s) d = ((d) & ~PSR_FBITS) | ((s) & PSR_FBITS)
#define SETPSR_S(d,s) d = ((d) & ~PSR_SBITS) | ((s) & PSR_SBITS)
#define SETPSR_X(d,s) d = ((d) & ~PSR_XBITS) | ((s) & PSR_XBITS)

13
sim/arm/armsupp.c
View File

@ -183,7 +183,7 @@ ARMul_SetR15 (ARMul_State * state, ARMword value)
ARMword
ARMul_GetCPSR (ARMul_State * state)
{
return (CPSR);
return (CPSR | state->Cpsr);
}
/***************************************************************************\
@ -205,7 +205,7 @@ ARMul_SetCPSR (ARMul_State * state, ARMword value)
void
ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs)
{
state->Cpsr = CPSR;
state->Cpsr = ARMul_GetCPSR (state);
if (state->Bank != USERBANK)
{ /* In user mode, only write flags */
if (BIT (16))
@ -230,7 +230,7 @@ ARMul_GetSPSR (ARMul_State * state, ARMword mode)
ARMword bank = ModeToBank (mode & MODEBITS);
if (! BANK_CAN_ACCESS_SPSR (bank))
return CPSR;
return ARMul_GetCPSR (state);
return state->Spsr[bank];
}
@ -290,14 +290,21 @@ ARMul_CPSRAltered (ARMul_State * state)
state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
}
state->Cpsr &= ~MODEBITS;
ASSIGNINT (state->Cpsr & INTBITS);
state->Cpsr &= ~INTBITS;
ASSIGNN ((state->Cpsr & NBIT) != 0);
state->Cpsr &= ~NBIT;
ASSIGNZ ((state->Cpsr & ZBIT) != 0);
state->Cpsr &= ~ZBIT;
ASSIGNC ((state->Cpsr & CBIT) != 0);
state->Cpsr &= ~CBIT;
ASSIGNV ((state->Cpsr & VBIT) != 0);
state->Cpsr &= ~VBIT;
#ifdef MODET
ASSIGNT ((state->Cpsr & TBIT) != 0);
state->Cpsr &= ~TBIT;
#endif
if (oldmode > SVC26MODE)