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Tidy up trap vector and external interrupt setup.

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This commit is contained in:
Benno Rice 2002-07-09 13:40:37 +00:00
parent 98f8e6c099
commit 87054a7182
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99664
2 changed files with 16 additions and 66 deletions
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41
sys/powerpc/aim/machdep.c
View file

@ -221,6 +221,7 @@ cpu_startup(void *dummy)
*/
bufinit();
vm_pager_bufferinit();
EVENTHANDLER_REGISTER(shutdown_final, powerpc_ofw_shutdown, 0,
SHUTDOWN_PRI_LAST);
@ -320,6 +321,7 @@ extern void *decrint, *decrsize;
extern void *tlbimiss, *tlbimsize;
extern void *tlbdlmiss, *tlbdlmsize;
extern void *tlbdsmiss, *tlbdsmsize;
extern void *extint, *extsize;
#if 0 /* XXX: interrupt handler. We'll get to this later */
extern void ext_intr(void);
@ -346,11 +348,12 @@ powerpc_init(u_int startkernel, u_int endkernel, u_int basekernel, char *args)
/*
* XXX: Initialize the interrupt tables.
*/
bcopy(&decrint, (void *)EXC_DECR, (size_t)&decrsize);
bcopy(&dsitrap, (void *)EXC_DSI, (size_t)&dsisize);
bcopy(&isitrap, (void *)EXC_ISI, (size_t)&isisize);
bcopy(&trapcode, (void *)EXC_SC, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_FPU, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_DECR, (size_t)&trapsize);
bcopy(&dsitrap, (void *)EXC_DSI, (size_t)&dsisize);
bcopy(&isitrap, (void *)EXC_ISI, (size_t)&isisize);
bcopy(&trapcode, (void *)EXC_SC, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_FPU, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_EXI, (size_t)&trapsize);
/*
* Start initializing proc0 and thread0.
@ -377,7 +380,6 @@ powerpc_init(u_int startkernel, u_int endkernel, u_int basekernel, char *args)
/*
* Initialise virtual memory.
*/
ofmsr |= PSL_IR | PSL_DR;
pmap_bootstrap(startkernel, endkernel);
/*
@ -849,33 +851,6 @@ setregs(struct thread *td, u_long entry, u_long stack, u_long ps_strings)
td->td_pcb->pcb_flags = 0;
}
extern void *extint, *extsize;
extern u_long extint_call;
void
install_extint(void (*handler)(void))
{
u_long offset;
int omsr, msr;
offset = (u_long)handler - (u_long)&extint_call;
#ifdef DIAGNOSTIC
if (offset > 0x1ffffff)
panic("install_extint: too far away");
#endif
msr = mfmsr();
mtmsr(msr & ~(PSL_EE|PSL_RI));
extint_call = (extint_call & 0xfc000003) | offset;
bcopy(&extint, (void *)EXC_EXI, (size_t)&extsize);
__syncicache((void *)&extint_call, sizeof extint_call);
__syncicache((void *)EXC_EXI, (int)&extsize);
mtmsr(msr);
}
#if !defined(DDB)
void
Debugger(const char *msg)

41
sys/powerpc/powerpc/machdep.c
View file

@ -221,6 +221,7 @@ cpu_startup(void *dummy)
*/
bufinit();
vm_pager_bufferinit();
EVENTHANDLER_REGISTER(shutdown_final, powerpc_ofw_shutdown, 0,
SHUTDOWN_PRI_LAST);
@ -320,6 +321,7 @@ extern void *decrint, *decrsize;
extern void *tlbimiss, *tlbimsize;
extern void *tlbdlmiss, *tlbdlmsize;
extern void *tlbdsmiss, *tlbdsmsize;
extern void *extint, *extsize;
#if 0 /* XXX: interrupt handler. We'll get to this later */
extern void ext_intr(void);
@ -346,11 +348,12 @@ powerpc_init(u_int startkernel, u_int endkernel, u_int basekernel, char *args)
/*
* XXX: Initialize the interrupt tables.
*/
bcopy(&decrint, (void *)EXC_DECR, (size_t)&decrsize);
bcopy(&dsitrap, (void *)EXC_DSI, (size_t)&dsisize);
bcopy(&isitrap, (void *)EXC_ISI, (size_t)&isisize);
bcopy(&trapcode, (void *)EXC_SC, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_FPU, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_DECR, (size_t)&trapsize);
bcopy(&dsitrap, (void *)EXC_DSI, (size_t)&dsisize);
bcopy(&isitrap, (void *)EXC_ISI, (size_t)&isisize);
bcopy(&trapcode, (void *)EXC_SC, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_FPU, (size_t)&trapsize);
bcopy(&trapcode, (void *)EXC_EXI, (size_t)&trapsize);
/*
* Start initializing proc0 and thread0.
@ -377,7 +380,6 @@ powerpc_init(u_int startkernel, u_int endkernel, u_int basekernel, char *args)
/*
* Initialise virtual memory.
*/
ofmsr |= PSL_IR | PSL_DR;
pmap_bootstrap(startkernel, endkernel);
/*
@ -849,33 +851,6 @@ setregs(struct thread *td, u_long entry, u_long stack, u_long ps_strings)
td->td_pcb->pcb_flags = 0;
}
extern void *extint, *extsize;
extern u_long extint_call;
void
install_extint(void (*handler)(void))
{
u_long offset;
int omsr, msr;
offset = (u_long)handler - (u_long)&extint_call;
#ifdef DIAGNOSTIC
if (offset > 0x1ffffff)
panic("install_extint: too far away");
#endif
msr = mfmsr();
mtmsr(msr & ~(PSL_EE|PSL_RI));
extint_call = (extint_call & 0xfc000003) | offset;
bcopy(&extint, (void *)EXC_EXI, (size_t)&extsize);
__syncicache((void *)&extint_call, sizeof extint_call);
__syncicache((void *)EXC_EXI, (int)&extsize);
mtmsr(msr);
}
#if !defined(DDB)
void
Debugger(const char *msg)