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authorIan Moffett <ian@osmora.org>2024-07-02 21:15:01 -0400
committerIan Moffett <ian@osmora.org>2024-07-02 21:15:01 -0400
commit52760e9c5e677b76c81e921bbab95da26478f425 (patch)
tree9fe19c1b26c0efb6596a06f036df7bbfe29c284d /sys/arch
parent3d71ccf45452f6899b44ac9aea9ae3f3ec7f161e (diff)
kernel/amd64: Add INTRENTRY() and TRAPENTRY()
Add macros that perform certain operations before invoking the actual handler. This will be useful in the future for more complicated operations that need to be done before the handler is ran. Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/arch')
-rw-r--r--sys/arch/amd64/amd64/lapic_intr.S8
-rw-r--r--sys/arch/amd64/amd64/trap.S99
2 files changed, 15 insertions, 92 deletions
diff --git a/sys/arch/amd64/amd64/lapic_intr.S b/sys/arch/amd64/amd64/lapic_intr.S
index e0d16de..f19480c 100644
--- a/sys/arch/amd64/amd64/lapic_intr.S
+++ b/sys/arch/amd64/amd64/lapic_intr.S
@@ -31,10 +31,8 @@
.text
.globl lapic_tmr_isr
-lapic_tmr_isr:
- push_trapframe $0
- mov %rsp, %rdi
+INTRENTRY(lapic_tmr_isr, handle_lapic_tmr)
+handle_lapic_tmr:
call sched_switch
call lapic_eoi
- pop_trapframe
- iretq
+ retq
diff --git a/sys/arch/amd64/amd64/trap.S b/sys/arch/amd64/amd64/trap.S
index fb3ca77..ce70138 100644
--- a/sys/arch/amd64/amd64/trap.S
+++ b/sys/arch/amd64/amd64/trap.S
@@ -30,114 +30,39 @@
#include <machine/frameasm.h>
#include <machine/trap.h>
-.macro handle_trap
- mov %rsp, %rdi
- call trap_handler
-.endm
-
.text
.globl breakpoint_handler
-breakpoint_handler:
- push_trapframe_ec $TRAP_BREAKPOINT
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(breakpoint_handler, $TRAP_BREAKPOINT)
.globl arith_err
-arith_err:
- push_trapframe_ec $TRAP_ARITH_ERR
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(arith_err, $TRAP_ARITH_ERR)
.globl overflow
-overflow:
- push_trapframe_ec $TRAP_OVERFLOW
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(overflow, $TRAP_OVERFLOW)
.globl bound_range
-bound_range:
- push_trapframe_ec $TRAP_BOUND_RANGE
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(bound_range, $TRAP_BOUND_RANGE)
.globl invl_op
-invl_op:
- push_trapframe_ec $TRAP_INVLOP
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(invl_op, $TRAP_INVLOP)
.globl double_fault
-double_fault:
- push_trapframe_ec $TRAP_DOUBLE_FAULT
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(double_fault, $TRAP_DOUBLE_FAULT)
.globl invl_tss
-invl_tss:
- push_trapframe_ec $TRAP_INVLTSS
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(invl_tss, $TRAP_INVLTSS)
.globl segnp
-segnp:
- push_trapframe_ec $TRAP_SEGNP
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(segnp, $TRAP_SEGNP)
.globl general_prot
-general_prot:
- push_trapframe_ec $TRAP_PROTFLT
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(general_prot, $TRAP_PROTFLT)
.globl page_fault
-page_fault:
- push_trapframe_ec $TRAP_PAGEFLT
-
- handle_trap
- cli
- hlt
+TRAPENTRY(page_fault, $TRAP_PAGEFLT)
.globl nmi
-nmi:
- push_trapframe_ec $TRAP_NMI
-
- handle_trap
-
- cli
- hlt
+TRAPENTRY(nmi, $TRAP_NMI)
.globl ss_fault
-ss_fault:
- push_trapframe_ec $TRAP_SS
-
- handle_trap
- cli
- hlt
+TRAPENTRY(ss_fault, $TRAP_SS)