svn commit: r366484 - head/sys/riscv/riscv

[Jessica Clarke]

Author: jrtc27
Date: Tue Oct  6 12:56:29 2020
New Revision: 366484
URL: https://svnweb.freebsd.org/changeset/base/366484

Log:
  riscv: De-Arm a few names
  
  These names were inherited from the arm64 port and should be changed to
  the RISC-V terminology.
  
  Reviewed by:	jhb (mentor), kp, markj
  Approved by:	jhb (mentor), kp, markj
  Differential Revision:	https://reviews.freebsd.org/D26671

Modified:
  head/sys/riscv/riscv/exception.S
  head/sys/riscv/riscv/trap.c

Modified: head/sys/riscv/riscv/exception.S
==============================================================================
--- head/sys/riscv/riscv/exception.S	Tue Oct  6 11:29:08 2020	(r366483)
+++ head/sys/riscv/riscv/exception.S	Tue Oct  6 12:56:29 2020	(r366484)
@@ -40,12 +40,12 @@ __FBSDID("$FreeBSD$");
 #include <machine/trap.h>
 #include <machine/riscvreg.h>
 
-.macro save_registers el
+.macro save_registers mode
 	addi	sp, sp, -(TF_SIZE)
 
 	sd	ra, (TF_RA)(sp)
 
-.if \el == 0	/* We came from userspace. */
+.if \mode == 0	/* We came from userspace. */
 	sd	gp, (TF_GP)(sp)
 .option push
 .option norelax
@@ -88,7 +88,7 @@ __FBSDID("$FreeBSD$");
 	sd	a6, (TF_A + 6 * 8)(sp)
 	sd	a7, (TF_A + 7 * 8)(sp)
 
-.if \el == 1
+.if \mode == 1
 	/* Store kernel sp */
 	li	t1, TF_SIZE
 	add	t0, sp, t1
@@ -110,9 +110,9 @@ __FBSDID("$FreeBSD$");
 	sd	t0, (TF_SCAUSE)(sp)
 .endm
 
-.macro load_registers el
+.macro load_registers mode
 	ld	t0, (TF_SSTATUS)(sp)
-.if \el == 0
+.if \mode == 0
 	/* Ensure user interrupts will be enabled on eret */
 	li	t1, SSTATUS_SPIE
 	or	t0, t0, t1
@@ -130,7 +130,7 @@ __FBSDID("$FreeBSD$");
 	ld	t0, (TF_SEPC)(sp)
 	csrw	sepc, t0
 
-.if \el == 0
+.if \mode == 0
 	/* We go to userspace. Load user sp */
 	ld	t0, (TF_SP)(sp)
 	csrw	sscratch, t0

Modified: head/sys/riscv/riscv/trap.c
==============================================================================
--- head/sys/riscv/riscv/trap.c	Tue Oct  6 11:29:08 2020	(r366483)
+++ head/sys/riscv/riscv/trap.c	Tue Oct  6 12:56:29 2020	(r366484)
@@ -158,7 +158,7 @@ dump_regs(struct trapframe *frame)
 }
 
 static void
-svc_handler(struct trapframe *frame)
+ecall_handler(struct trapframe *frame)
 {
 	struct thread *td;
 
@@ -172,7 +172,7 @@ svc_handler(struct trapframe *frame)
 }
 
 static void
-data_abort(struct trapframe *frame, int usermode)
+page_fault_handler(struct trapframe *frame, int usermode)
 {
 	struct vm_map *map;
 	uint64_t stval;
@@ -290,7 +290,7 @@ do_trap_supervisor(struct trapframe *frame)
 		break;
 	case EXCP_STORE_PAGE_FAULT:
 	case EXCP_LOAD_PAGE_FAULT:
-		data_abort(frame, 0);
+		page_fault_handler(frame, 0);
 		break;
 	case EXCP_BREAKPOINT:
 #ifdef KDTRACE_HOOKS
@@ -353,11 +353,11 @@ do_trap_user(struct trapframe *frame)
 	case EXCP_STORE_PAGE_FAULT:
 	case EXCP_LOAD_PAGE_FAULT:
 	case EXCP_INST_PAGE_FAULT:
-		data_abort(frame, 1);
+		page_fault_handler(frame, 1);
 		break;
 	case EXCP_USER_ECALL:
 		frame->tf_sepc += 4;	/* Next instruction */
-		svc_handler(frame);
+		ecall_handler(frame);
 		break;
 	case EXCP_ILLEGAL_INSTRUCTION:
 #ifdef FPE