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kern: bump svc limit to 192 from 128

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Michael Scire 2021-04-06 22:26:52 -07:00 • committed by SciresM
parent 46612156f4
commit 4b9e7c7d27
10 changed files with 100 additions and 30 deletions
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9
mesosphere/kernel/source/arch/arm64/kern_exception_handlers_asm.s
View file

@ -13,6 +13,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mesosphere/kern_select_assembly_offsets.h>
/* ams::kern::arch::arm64::EL1IrqExceptionHandler() */
.section .text._ZN3ams4kern4arch5arm6422EL1IrqExceptionHandlerEv, "ax", %progbits
@ -99,7 +100,7 @@ _ZN3ams4kern4arch5arm6422EL0IrqExceptionHandlerEv:
str x23, [sp, #(8 * 34)]
/* Invoke KInterruptManager::HandleInterrupt(bool user_mode). */
ldr x18, [sp, #(0x120 + 0x28)]
ldr x18, [sp, #(0x120 + THREAD_STACK_PARAMETERS_CUR_THREAD)]
mov x0, #1
bl _ZN3ams4kern4arch5arm6417KInterruptManager15HandleInterruptEb
@ -196,7 +197,7 @@ _ZN3ams4kern4arch5arm6430EL0SynchronousExceptionHandlerEv:
str x23, [sp, #(8 * 34)]
/* Call ams::kern::arch::arm64::HandleException(ams::kern::arch::arm64::KExceptionContext *) */
ldr x18, [sp, #(0x120 + 0x28)]
ldr x18, [sp, #(0x120 + THREAD_STACK_PARAMETERS_CUR_THREAD)]
mov x0, sp
bl _ZN3ams4kern4arch5arm6415HandleExceptionEPNS2_17KExceptionContextE
@ -440,7 +441,7 @@ _ZN3ams4kern4arch5arm6425FpuAccessExceptionHandlerEv:
stp x20, x21, [sp, #(8 * 32)]
/* Invoke the FPU context switch handler. */
ldr x18, [sp, #(0x120 + 0x28)]
ldr x18, [sp, #(0x120 + THREAD_STACK_PARAMETERS_CUR_THREAD)]
bl _ZN3ams4kern4arch5arm6423FpuContextSwitchHandlerEv
/* Restore registers that we saved. */
@ -554,7 +555,7 @@ _ZN3ams4kern4arch5arm6421EL0SystemErrorHandlerEv:
str x23, [sp, #(8 * 34)]
/* Invoke ams::kern::arch::arm64::HandleException(ams::kern::arch::arm64::KExceptionContext *). */
ldr x18, [sp, #(0x120 + 0x28)]
ldr x18, [sp, #(0x120 + THREAD_STACK_PARAMETERS_CUR_THREAD)]
mov x0, sp
bl _ZN3ams4kern4arch5arm6415HandleExceptionEPNS2_17KExceptionContextE

5
mesosphere/kernel/source/arch/arm64/kern_k_scheduler_asm.s
View file

@ -13,6 +13,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mesosphere/kern_select_assembly_offsets.h>
#define SAVE_THREAD_CONTEXT(ctx, tmp0, tmp1, done_label) \
/* Save the callee save registers + SP and cpacr. */ \
@ -148,11 +149,11 @@ _ZN3ams4kern10KScheduler12ScheduleImplEv:
and x2, x2, #~(0x1000-1)
/* Check if the thread has terminated. We can do this by checking the DPC flags for DpcFlag_Terminated. */
ldurb w3, [x2, #-0x20]
ldurb w3, [x2, #-(THREAD_STACK_PARAMETERS_SIZE - THREAD_STACK_PARAMETERS_DPC_FLAGS)]
tbnz w3, #1, 3f
/* The current thread hasn't terminated, so we want to save its context. */
ldur x2, [x2, #-0x10]
ldur x2, [x2, #-(THREAD_STACK_PARAMETERS_SIZE - THREAD_STACK_PARAMETERS_CONTEXT)]
SAVE_THREAD_CONTEXT(x2, x4, x5, 2f)
2: /* We're done saving this thread's context, so we need to unlock it. */

5
mesosphere/kernel/source/arch/arm64/kern_k_thread_context_asm.s
View file

@ -13,6 +13,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mesosphere/kern_select_assembly_offsets.h>
/* ams::kern::arch::arm64::UserModeThreadStarter() */
.section .text._ZN3ams4kern4arch5arm6421UserModeThreadStarterEv, "ax", %progbits
@ -26,7 +27,7 @@ _ZN3ams4kern4arch5arm6421UserModeThreadStarterEv:
/* | KExceptionContext (size 0x120) | KThread::StackParameters (size 0x30) | */
/* Clear the disable count for this thread's stack parameters. */
str wzr, [sp, #(0x120 + 0x18)]
strh wzr, [sp, #(0x120 + THREAD_STACK_PARAMETERS_DISABLE_COUNT)]
/* Call ams::kern::arch::arm64::OnThreadStart() */
bl _ZN3ams4kern4arch5arm6413OnThreadStartEv
@ -78,7 +79,7 @@ _ZN3ams4kern4arch5arm6427SupervisorModeThreadStarterEv:
ldp x0, x1, [sp], #0x10
/* Clear the disable count for this thread's stack parameters. */
str wzr, [sp, #(0x18)]
strh wzr, [sp, #(THREAD_STACK_PARAMETERS_DISABLE_COUNT)]
/* Mask I bit in DAIF */
msr daifclr, #2