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OpenSBI: Added rfence extension and HartMask struct

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This commit is contained in:
Thomas Muller 2022-01-26 17:39:49 -05:00
parent 854f65a4b3
commit a8a7c5fdc9
Signed by: thomas
GPG key ID: AF006EB730564952
6 changed files with 171 additions and 9 deletions
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8
kernel/drivers/opensbi/extensions/ipi.cpp
View file

@ -13,14 +13,12 @@ namespace opensbi::ipi {
};
}
SbiRet send_ipi(
unsigned long hart_mask,
unsigned long hart_mask_base) {
SbiRet send_ipi(HartMask hart_mask) {
return ecall(
static_cast<sbiword_t>(ExtensionId::IPI),
static_cast<sbiword_t>(FunctionId::SEND_IPI),
hart_mask,
hart_mask_base);
hart_mask.mask,
hart_mask.base);
}
} // End namespace opensbi::ipi

116
kernel/drivers/opensbi/extensions/rfence.cpp Normal file
View file

@ -0,0 +1,116 @@
#include "opensbi/extensions/rfence.h"
namespace drivers {
namespace opensbi::rfence {
namespace {
enum class ExtensionId {
RFENCE = 0x52464E43
};
enum class FunctionId {
REMOTE_FENCE_I,
REMOTE_SFENCE_VMA,
REMOTE_SFENCE_VMA_ASID,
REMOTE_HFENCE_GVMA_VMID,
REMOTE_HFENCE_GVMA,
REMOTE_HFENCE_VVMA_ASID,
REMOTE_HFENCE_VVMA
};
}
SbiRet remote_fence_i(HartMask hart_mask) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_FENCE_I),
hart_mask.mask,
hart_mask.base);
}
SbiRet remote_sfence_vma(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_SFENCE_VMA),
hart_mask.mask,
hart_mask.base,
start_addr,
size);
}
SbiRet remote_sfence_vma_asid(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size,
unsigned long asid) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_SFENCE_VMA_ASID),
hart_mask.mask,
hart_mask.base,
start_addr,
size,
asid);
}
SbiRet remote_hfence_gvma_vmid(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size,
unsigned long vmid) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_HFENCE_GVMA_VMID),
hart_mask.mask,
hart_mask.base,
start_addr,
size,
vmid);
}
SbiRet remote_hfence_gvma(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_HFENCE_GVMA),
hart_mask.mask,
hart_mask.base,
start_addr,
size);
}
SbiRet remote_hfence_vvma_asid(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size,
unsigned long asid) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_HFENCE_VVMA_ASID),
hart_mask.mask,
hart_mask.base,
start_addr,
size,
asid);
}
SbiRet remote_hfence_vvma(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size) {
return ecall(
static_cast<sbiword_t>(ExtensionId::RFENCE),
static_cast<sbiword_t>(FunctionId::REMOTE_HFENCE_VVMA),
hart_mask.mask,
hart_mask.base,
start_addr,
size);
}
} // End namespace opensbi::rfence
} // End namespace drivers

4
kernel/drivers/opensbi/include/opensbi/extensions/ipi.h
View file

@ -5,9 +5,7 @@
namespace drivers {
namespace opensbi::ipi {
SbiRet send_ipi(
unsigned long hart_mask,
unsigned long hart_mask_base);
SbiRet send_ipi(HartMask hart_mask);
} // End namespace opensbi::ipi
} // End namespace drivers

44
kernel/drivers/opensbi/include/opensbi/extensions/rfence.h Normal file
View file

@ -0,0 +1,44 @@
#pragma once
#include "opensbi/opensbi.h"
namespace drivers {
namespace opensbi::rfence {
SbiRet remote_fence_i(HartMask hart_mask);
SbiRet remote_sfence_vma(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size);
SbiRet remote_sfence_vma_asid(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size,
unsigned long asid);
SbiRet remote_hfence_gvma_vmid(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size,
unsigned long vmid);
SbiRet remote_hfence_gvma(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size);
SbiRet remote_hfence_vvma_asid(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size,
unsigned long asid);
SbiRet remote_hfence_vvma(
HartMask hart_mask,
unsigned long start_addr,
unsigned long size);
} // End namespace opensbi::rfence
} // End namespace drivers

5
kernel/drivers/opensbi/include/opensbi/opensbi.h
View file

@ -8,6 +8,11 @@ namespace opensbi {
typedef unsigned long sbiword_t;
typedef const unsigned long * hart_mask_t;
struct HartMask {
unsigned long mask;
unsigned long base;
};
struct SbiRet {
sbiword_t error;
sbiword_t value;

3
kernel/drivers/opensbi/meson.build
View file

@ -4,7 +4,8 @@ kernel_sources += [
'extensions/legacy.cpp',
'extensions/base.cpp',
'extensions/timer.cpp',
'extensions/ipi.cpp'
'extensions/ipi.cpp',
'extensions/rfence.cpp'
),
]