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Replace uses of sbadaddr with stval.

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The sbadaddr register was renamed in version 1.10 of the privileged
architecture specification.  No functional change intended.

Submitted by:	Mitchell Horne <mhorne063@gmail.com>
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D18594
This commit is contained in:
Mark Johnston 2018-12-19 17:52:09 +00:00
parent 5268e09865
commit 53941c0a73
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=342223
5 changed files with 15 additions and 15 deletions
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2
sys/riscv/include/frame.h
View file

@ -55,7 +55,7 @@ struct trapframe {
uint64_t tf_a[8];
uint64_t tf_sepc;
uint64_t tf_sstatus;
uint64_t tf_sbadaddr;
uint64_t tf_stval;
uint64_t tf_scause;
};

2
sys/riscv/riscv/db_interface.c
View file

@ -98,7 +98,7 @@ struct db_variable db_regs[] = {
{ "a7", DB_OFFSET(tf_a[7]), db_frame },
{ "sepc", DB_OFFSET(tf_sepc), db_frame },
{ "sstatus", DB_OFFSET(tf_sstatus), db_frame },
{ "sbadaddr", DB_OFFSET(tf_sbadaddr), db_frame },
{ "stval", DB_OFFSET(tf_stval), db_frame },
{ "scause", DB_OFFSET(tf_scause), db_frame },
};

4
sys/riscv/riscv/exception.S
View file

@ -107,8 +107,8 @@ __FBSDID("$FreeBSD$");
sd t0, (TF_SEPC)(sp)
csrr t0, sstatus
sd t0, (TF_SSTATUS)(sp)
csrr t0, sbadaddr
sd t0, (TF_SBADADDR)(sp)
csrr t0, stval
sd t0, (TF_STVAL)(sp)
csrr t0, scause
sd t0, (TF_SCAUSE)(sp)
.endm

2
sys/riscv/riscv/genassym.c
View file

@ -96,6 +96,6 @@ ASSYM(TF_T, offsetof(struct trapframe, tf_t));
ASSYM(TF_S, offsetof(struct trapframe, tf_s));
ASSYM(TF_A, offsetof(struct trapframe, tf_a));
ASSYM(TF_SEPC, offsetof(struct trapframe, tf_sepc));
ASSYM(TF_SBADADDR, offsetof(struct trapframe, tf_sbadaddr));
ASSYM(TF_STVAL, offsetof(struct trapframe, tf_stval));
ASSYM(TF_SCAUSE, offsetof(struct trapframe, tf_scause));
ASSYM(TF_SSTATUS, offsetof(struct trapframe, tf_sstatus));

20
sys/riscv/riscv/trap.c
View file

@ -170,7 +170,7 @@ static void
data_abort(struct trapframe *frame, int usermode)
{
struct vm_map *map;
uint64_t sbadaddr;
uint64_t stval;
struct thread *td;
struct pcb *pcb;
vm_prot_t ftype;
@ -188,7 +188,7 @@ data_abort(struct trapframe *frame, int usermode)
td = curthread;
p = td->td_proc;
pcb = td->td_pcb;
sbadaddr = frame->tf_sbadaddr;
stval = frame->tf_stval;
if (td->td_critnest != 0 || td->td_intr_nesting_level != 0 ||
WITNESS_CHECK(WARN_SLEEPOK | WARN_GIANTOK, NULL,
@ -197,7 +197,7 @@ data_abort(struct trapframe *frame, int usermode)
if (usermode)
map = &td->td_proc->p_vmspace->vm_map;
else if (sbadaddr >= VM_MAX_USER_ADDRESS)
else if (stval >= VM_MAX_USER_ADDRESS)
map = kernel_map;
else {
if (pcb->pcb_onfault == 0)
@ -205,7 +205,7 @@ data_abort(struct trapframe *frame, int usermode)
map = &td->td_proc->p_vmspace->vm_map;
}
va = trunc_page(sbadaddr);
va = trunc_page(stval);
if ((frame->tf_scause == EXCP_FAULT_STORE) ||
(frame->tf_scause == EXCP_STORE_PAGE_FAULT)) {
@ -249,7 +249,7 @@ data_abort(struct trapframe *frame, int usermode)
ucode = SEGV_ACCERR;
else
ucode = SEGV_MAPERR;
call_trapsignal(td, sig, ucode, (void *)sbadaddr);
call_trapsignal(td, sig, ucode, (void *)stval);
} else {
if (pcb->pcb_onfault != 0) {
frame->tf_a[0] = error;
@ -267,7 +267,7 @@ data_abort(struct trapframe *frame, int usermode)
fatal:
dump_regs(frame);
panic("Fatal page fault at %#lx: %#016lx", frame->tf_sepc, sbadaddr);
panic("Fatal page fault at %#lx: %#016lx", frame->tf_sepc, stval);
}
void
@ -324,8 +324,8 @@ do_trap_supervisor(struct trapframe *frame)
break;
default:
dump_regs(frame);
panic("Unknown kernel exception %x badaddr %lx\n",
exception, frame->tf_sbadaddr);
panic("Unknown kernel exception %x trap value %lx\n",
exception, frame->tf_stval);
}
}
@ -392,7 +392,7 @@ do_trap_user(struct trapframe *frame)
break;
default:
dump_regs(frame);
panic("Unknown userland exception %x, badaddr %lx\n",
exception, frame->tf_sbadaddr);
panic("Unknown userland exception %x, trap value %lx\n",
exception, frame->tf_stval);
}
}