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kern: SendSyncRequestLight, ReplyAndReceiveLight

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This commit is contained in:
Michael Scire 2020-07-29 03:57:40 -07:00 • committed by SciresM
parent b6cb561c47
commit 8922bbd108
8 changed files with 360 additions and 14 deletions
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156
libraries/libmesosphere/source/arch/arm64/svc/kern_svc_light_ipc_asm.s Normal file
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@ -0,0 +1,156 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* ams::kern::svc::CallSendSyncRequestLight64() */
.section .text._ZN3ams4kern3svc26CallSendSyncRequestLight64Ev, "ax", %progbits
.global _ZN3ams4kern3svc26CallSendSyncRequestLight64Ev
.type _ZN3ams4kern3svc26CallSendSyncRequestLight64Ev, %function
_ZN3ams4kern3svc26CallSendSyncRequestLight64Ev:
/* Allocate space for the light ipc data. */
sub sp, sp, #(4 * 8)
/* Store the light ipc data. */
stp w1, w2, [sp, #(4 * 0)]
stp w3, w4, [sp, #(4 * 2)]
stp w5, w6, [sp, #(4 * 4)]
str w7, [sp, #(4 * 6)]
/* Invoke the svc handler. */
mov x1, sp
stp x29, x30, [sp, #-16]!
bl _ZN3ams4kern3svc22SendSyncRequestLight64EjPj
ldp x29, x30, [sp], #16
/* Load the light ipc data. */
ldp w1, w2, [sp, #(4 * 0)]
ldp w3, w4, [sp, #(4 * 2)]
ldp w5, w6, [sp, #(4 * 4)]
ldr w7, [sp, #(4 * 6)]
/* Free the stack space for the light ipc data. */
add sp, sp, #(4 * 8)
ret
/* ams::kern::svc::CallSendSyncRequestLight64From32() */
.section .text._ZN3ams4kern3svc32CallSendSyncRequestLight64From32Ev, "ax", %progbits
.global _ZN3ams4kern3svc32CallSendSyncRequestLight64From32Ev
.type _ZN3ams4kern3svc32CallSendSyncRequestLight64From32Ev, %function
_ZN3ams4kern3svc32CallSendSyncRequestLight64From32Ev:
/* Load x4-x7 from where the svc handler stores them. */
ldp x4, x5, [sp, #(8 * 0)]
ldp x6, x7, [sp, #(8 * 2)]
/* Allocate space for the light ipc data. */
sub sp, sp, #(4 * 8)
/* Store the light ipc data. */
stp w1, w2, [sp, #(4 * 0)]
stp w3, w4, [sp, #(4 * 2)]
stp w5, w6, [sp, #(4 * 4)]
str w7, [sp, #(4 * 6)]
/* Invoke the svc handler. */
mov x1, sp
stp x29, x30, [sp, #-16]!
bl _ZN3ams4kern3svc28SendSyncRequestLight64From32EjPj
ldp x29, x30, [sp], #16
/* Load the light ipc data. */
ldp w1, w2, [sp, #(4 * 0)]
ldp w3, w4, [sp, #(4 * 2)]
ldp w5, w6, [sp, #(4 * 4)]
ldr w7, [sp, #(4 * 6)]
/* Free the stack space for the light ipc data. */
add sp, sp, #(4 * 8)
/* Save x4-x7 to where the svc handler stores them. */
stp x4, x5, [sp, #(8 * 0)]
stp x6, x7, [sp, #(8 * 2)]
ret
/* ams::kern::svc::CallReplyAndReceiveLight64() */
.section .text._ZN3ams4kern3svc26CallReplyAndReceiveLight64Ev, "ax", %progbits
.global _ZN3ams4kern3svc26CallReplyAndReceiveLight64Ev
.type _ZN3ams4kern3svc26CallReplyAndReceiveLight64Ev, %function
_ZN3ams4kern3svc26CallReplyAndReceiveLight64Ev:
/* Allocate space for the light ipc data. */
sub sp, sp, #(4 * 8)
/* Store the light ipc data. */
stp w1, w2, [sp, #(4 * 0)]
stp w3, w4, [sp, #(4 * 2)]
stp w5, w6, [sp, #(4 * 4)]
str w7, [sp, #(4 * 6)]
/* Invoke the svc handler. */
mov x1, sp
stp x29, x30, [sp, #-16]!
bl _ZN3ams4kern3svc22ReplyAndReceiveLight64EjPj
ldp x29, x30, [sp], #16
/* Load the light ipc data. */
ldp w1, w2, [sp, #(4 * 0)]
ldp w3, w4, [sp, #(4 * 2)]
ldp w5, w6, [sp, #(4 * 4)]
ldr w7, [sp, #(4 * 6)]
/* Free the stack space for the light ipc data. */
add sp, sp, #(4 * 8)
ret
/* ams::kern::svc::CallReplyAndReceiveLight64From32() */
.section .text._ZN3ams4kern3svc32CallReplyAndReceiveLight64From32Ev, "ax", %progbits
.global _ZN3ams4kern3svc32CallReplyAndReceiveLight64From32Ev
.type _ZN3ams4kern3svc32CallReplyAndReceiveLight64From32Ev, %function
_ZN3ams4kern3svc32CallReplyAndReceiveLight64From32Ev:
/* Load x4-x7 from where the svc handler stores them. */
ldp x4, x5, [sp, #(8 * 0)]
ldp x6, x7, [sp, #(8 * 2)]
/* Allocate space for the light ipc data. */
sub sp, sp, #(4 * 8)
/* Store the light ipc data. */
stp w1, w2, [sp, #(4 * 0)]
stp w3, w4, [sp, #(4 * 2)]
stp w5, w6, [sp, #(4 * 4)]
str w7, [sp, #(4 * 6)]
/* Invoke the svc handler. */
mov x1, sp
stp x29, x30, [sp, #-16]!
bl _ZN3ams4kern3svc28ReplyAndReceiveLight64From32EjPj
ldp x29, x30, [sp], #16
/* Load the light ipc data. */
ldp w1, w2, [sp, #(4 * 0)]
ldp w3, w4, [sp, #(4 * 2)]
ldp w5, w6, [sp, #(4 * 4)]
ldr w7, [sp, #(4 * 6)]
/* Free the stack space for the light ipc data. */
add sp, sp, #(4 * 8)
/* Save x4-x7 to where the svc handler stores them. */
stp x4, x5, [sp, #(8 * 0)]
stp x6, x7, [sp, #(8 * 2)]
ret

13
libraries/libmesosphere/source/arch/arm64/svc/kern_svc_tables.cpp
View file

@ -22,6 +22,13 @@
namespace ams::kern::svc {
/* Declare special prototypes for the light ipc handlers. */
void CallSendSyncRequestLight64();
void CallSendSyncRequestLight64From32();
void CallReplyAndReceiveLight64();
void CallReplyAndReceiveLight64From32();
namespace {
#ifndef MESOSPHERE_USE_STUBBED_SVC_TABLES
@ -59,6 +66,9 @@ namespace ams::kern::svc {
AMS_SVC_FOREACH_KERN_DEFINITION(AMS_KERN_SVC_SET_TABLE_ENTRY, _)
#undef AMS_KERN_SVC_SET_TABLE_ENTRY
table[svc::SvcId_SendSyncRequestLight] = CallSendSyncRequestLight64From32;
table[svc::SvcId_ReplyAndReceiveLight] = CallReplyAndReceiveLight64From32;
return table;
}();
@ -70,6 +80,9 @@ namespace ams::kern::svc {
AMS_SVC_FOREACH_KERN_DEFINITION(AMS_KERN_SVC_SET_TABLE_ENTRY, _)
#undef AMS_KERN_SVC_SET_TABLE_ENTRY
table[svc::SvcId_SendSyncRequestLight] = CallSendSyncRequestLight64;
table[svc::SvcId_ReplyAndReceiveLight] = CallReplyAndReceiveLight64;
return table;
}();