i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

kernel/arch/timer: implement for riscv64

Browse Source 
Change-Id: Ia854b0048a86b1427e975f482325ed4d4df1a12a
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4061
Reviewed-by: Alex von Gluck IV <[email protected]>
This commit is contained in:
X512
2021-08-06 15:47:48 +00:00
committed by Alex von Gluck IV
parent de8c1bcc32
commit c15bf9b792
3 changed files with 39 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
headers/private/system/arch/riscv64/arch_real_time_data.h
+1 -2
View File
@@ -13,8 +13,7 @@
struct arch_real_time_data { struct arch_real_time_data {
bigtime_t system_time_offset; bigtime_t system_time_offset;
uint32 system_time_conversion_factor; uint64 system_time_conversion_factor;
uint32 _padding;
}; };
#endif /* _KERNEL_ARCH_REAL_TIME_DATA_H */ #endif /* _KERNEL_ARCH_REAL_TIME_DATA_H */
src/system/kernel/arch/riscv64/arch_timer.cpp
+37 -12
View File
@@ -1,5 +1,5 @@
/* /*
* Copyright 2019, Haiku Inc. All rights reserved. * Copyright 2019-2021, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License. * Distributed under the terms of the MIT License.
* *
* Authors: * Authors:
@@ -7,21 +7,54 @@
*/ */
#include <kernel.h> #include <arch_cpu_defs.h>
#include <debug.h> #include <arch_int.h>
#include <timer.h>
#include <arch/timer.h> #include <arch/timer.h>
#include <boot/kernel_args.h>
#include <debug.h>
#include <kernel.h>
#include <platform/sbi/sbi_syscalls.h>
#include <timer.h>
#include <Clint.h>
extern uint32 gPlatform1;
extern uint32 gPlatform2;
void void
arch_timer_set_hardware_timer(bigtime_t timeout) arch_timer_set_hardware_timer(bigtime_t timeout)
{ {
// TODO: Read timer frequency from FDT
switch (gPlatform1) {
case kPlatform1Riscv:
MSyscall(kMSyscallSetTimer, true,
gClintRegs->mtime + timeout * 10);
break;
case kPlatform1Sbi: {
sbi_set_timer(CpuTime() + timeout);
break;
}
default:
;
}
} }
void void
arch_timer_clear_hardware_timer() arch_timer_clear_hardware_timer()
{ {
switch (gPlatform1) {
case kPlatform1Riscv:
MSyscall(kMSyscallSetTimer, false);
break;
case kPlatform1Sbi: {
sbi_set_timer(CpuTime() + (uint64)10000000 * 3600);
break;
}
default:
;
}
} }
@@ -30,11 +63,3 @@ arch_init_timer(kernel_args *args)
{ {
return B_OK; return B_OK;
} }
bigtime_t
system_time(void)
{
// TODO
return 0;
}
src/system/kernel/lib/arch/riscv64/Jamfile
+1
View File
@@ -10,6 +10,7 @@ SEARCH_SOURCE += [ FDirName $(librootSources) os arch generic ] ;
KernelMergeObject kernel_os_arch_$(TARGET_ARCH).o : KernelMergeObject kernel_os_arch_$(TARGET_ARCH).o :
byteorder.S byteorder.S
system_time.cpp
generic_atomic.cpp generic_atomic.cpp
generic_system_time_nsecs.cpp generic_system_time_nsecs.cpp