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fusee_cpp: implement bpmp cache driver

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This commit is contained in:
Michael Scire 2021-08-23 09:13:26 -07:00 committed by SciresM
parent 49d0a51d6b
commit 5cff5e629b
6 changed files with 390 additions and 11 deletions
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3
fusee_cpp/program/program.ld
View file

@ -117,7 +117,8 @@ SECTIONS
FILL(0x00000000)
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
. = ALIGN(64) - 1;
. = ALIGN(16);
. = . + 15;
BYTE(0x00);
} >main AT>glob

3
fusee_cpp/program/source/fusee_main.cpp
View file

@ -27,6 +27,9 @@ namespace ams::nxboot {
/* Initialize Sdram. */
InitializeSdram();
/* Initialize cache. */
hw::InitializeDataCache();
/* Initialize SD card. */
Result result = InitializeSdCard();

22
libraries/libexosphere/include/exosphere/hw/hw_arm.hpp
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@ -19,7 +19,8 @@
namespace ams::hw::arch::arm {
#ifdef __BPMP__
constexpr inline size_t DataCacheLineSize = 0x1;
constexpr inline size_t DataCacheLineSize = 0x20;
constexpr inline size_t DataCacheSize = 32_KB;
ALWAYS_INLINE void DataSynchronizationBarrier() {
/* ... */
@ -37,11 +38,20 @@ namespace ams::hw::arch::arm {
/* ... */
}
ALWAYS_INLINE void FlushDataCache(const void *ptr, size_t size) {
AMS_UNUSED(ptr);
AMS_UNUSED(size);
/* ... */
}
void InitializeDataCache();
void FinalizeDataCache();
void InvalidateEntireDataCache();
void StoreEntireDataCache();
void FlushEntireDataCache();
void InvalidateDataCacheLine(void *ptr);
void StoreDataCacheLine(void *ptr);
void FlushDataCacheLine(void *ptr);
void InvalidateDataCache(void *ptr, size_t size);
void StoreDataCache(const void *ptr, size_t size);
void FlushDataCache(const void *ptr, size_t size);
#else
#error "Unknown ARM board for ams::hw"
#endif

110
libraries/libexosphere/source/hw/avp_cache_registers.hpp Normal file
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@ -0,0 +1,110 @@
/*
* 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/>.
*/
#include <exosphere.hpp>
#pragma once
#define AVP_CACHE_CONFIG (0x000)
#define AVP_CACHE_LOCK (0x004)
#define AVP_CACHE_SIZE (0x00C)
#define AVP_CACHE_LFSR (0x010)
#define AVP_CACHE_TAG_STATUS (0x014)
#define AVP_CACHE_CLKEN_OVERRIDE (0x018)
#define AVP_CACHE_MAINT_0 (0x020)
#define AVP_CACHE_MAINT_1 (0x024)
#define AVP_CACHE_MAINT_2 (0x028)
#define AVP_CACHE_INT_MASK (0x040)
#define AVP_CACHE_INT_CLEAR (0x044)
#define AVP_CACHE_INT_RAW_EVENT (0x048)
#define AVP_CACHE_INT_STATUS (0x04C)
#define AVP_CACHE_RB_CFG (0x080)
#define AVP_CACHE_WB_CFG (0x084)
#define AVP_CACHE_MMU_FALLBACK_ENTRY (0x0A0)
#define AVP_CACHE_MMU_SHADOW_COPY_MASK_0 (0x0A4)
#define AVP_CACHE_MMU_CFG (0x0AC)
#define AVP_CACHE_MMU_CMD (0x0B0)
#define AVP_CACHE_MMU_ABORT_STAT (0x0B4)
#define AVP_CACHE_MMU_ABORT_ADDR (0x0B8)
#define AVP_CACHE_MMU_ACTIVE_ENTRIES (0x0BC)
#define AVP_CACHE_MMU_SHADOW_ENTRY_0_MIN_ADDR (0x400)
#define AVP_CACHE_MMU_SHADOW_ENTRY_0_MAX_ADDR (0x404)
#define AVP_CACHE_MMU_SHADOW_ENTRY_0_CFG (0x408)
#define AVP_CACHE_MMU_SHADOW_ENTRY_1_MIN_ADDR (0x410)
#define AVP_CACHE_MMU_SHADOW_ENTRY_1_MAX_ADDR (0x414)
#define AVP_CACHE_MMU_SHADOW_ENTRY_1_CFG (0x418)
#define AVP_CACHE_REG_BITS_MASK(NAME) REG_NAMED_BITS_MASK (AVP_CACHE, NAME)
#define AVP_CACHE_REG_BITS_VALUE(NAME, VALUE) REG_NAMED_BITS_VALUE (AVP_CACHE, NAME, VALUE)
#define AVP_CACHE_REG_BITS_ENUM(NAME, ENUM) REG_NAMED_BITS_ENUM (AVP_CACHE, NAME, ENUM)
#define AVP_CACHE_REG_BITS_ENUM_SEL(NAME, __COND__, TRUE_ENUM, FALSE_ENUM) REG_NAMED_BITS_ENUM_SEL(AVP_CACHE, NAME, __COND__, TRUE_ENUM, FALSE_ENUM)
#define DEFINE_AVP_CACHE_REG(NAME, __OFFSET__, __WIDTH__) REG_DEFINE_NAMED_REG (AVP_CACHE, NAME, __OFFSET__, __WIDTH__)
#define DEFINE_AVP_CACHE_REG_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE) REG_DEFINE_NAMED_BIT_ENUM (AVP_CACHE, NAME, __OFFSET__, ZERO, ONE)
#define DEFINE_AVP_CACHE_REG_TWO_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE) REG_DEFINE_NAMED_TWO_BIT_ENUM (AVP_CACHE, NAME, __OFFSET__, ZERO, ONE, TWO, THREE)
#define DEFINE_AVP_CACHE_REG_THREE_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN) REG_DEFINE_NAMED_THREE_BIT_ENUM(AVP_CACHE, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN)
#define DEFINE_AVP_CACHE_REG_FOUR_BIT_ENUM(NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN) REG_DEFINE_NAMED_FOUR_BIT_ENUM (AVP_CACHE, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN)
DEFINE_AVP_CACHE_REG_BIT_ENUM(CONFIG_ENABLE_CACHE, 0, FALSE, TRUE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(CONFIG_FORCE_WRITE_THROUGH, 3, FALSE, TRUE);
DEFINE_AVP_CACHE_REG_TWO_BIT_ENUM(CONFIG_MMU_TAG_MODE, 8, PARALLEL, TAG_FIRST, MMU_FIRST, RSVD3);
DEFINE_AVP_CACHE_REG_BIT_ENUM(CONFIG_TAG_CHECK_ABORT_ON_ERROR, 14, FALSE, TRUE);
DEFINE_AVP_CACHE_REG(MAINT_2_OPCODE, 0, 8);
DEFINE_AVP_CACHE_REG(MAINT_2_WAY_BITMAP, 8, 4);
enum AVP_CACHE_MAINT_OPCODE : u32 {
AVP_CACHE_MAINT_OPCODE_NOP = 0,
AVP_CACHE_MAINT_OPCODE_CLEAN_PHY = 1,
AVP_CACHE_MAINT_OPCODE_INVALID_PHY = 2,
AVP_CACHE_MAINT_OPCODE_CLEAN_INVALID_PHY = 3,
AVP_CACHE_MAINT_OPCODE_CLEAN_LINE = 9,
AVP_CACHE_MAINT_OPCODE_INVALID_LINE = 10,
AVP_CACHE_MAINT_OPCODE_CLEAN_INVALID_LINE = 11,
AVP_CACHE_MAINT_OPCODE_CLEAN_WAY = 17,
AVP_CACHE_MAINT_OPCODE_INVALID_WAY = 18,
AVP_CACHE_MAINT_OPCODE_CLEAN_INVALID_WAY = 19,
};
DEFINE_AVP_CACHE_REG_BIT_ENUM(INT_CLEAR_MAINTENANCE_DONE, 0, FALSE, TRUE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(INT_RAW_EVENT_MAINTENANCE_DONE, 0, FALSE, TRUE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(INT_STATUS_MAINTENANCE_DONE, 0, FALSE, TRUE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_FALLBACK_ENTRY_CACHED, 0, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_FALLBACK_ENTRY_EXE_ENA, 1, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_FALLBACK_ENTRY_RD_ENA, 2, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_FALLBACK_ENTRY_WR_ENA, 3, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_CFG_BLOCK_MAIN_ENTRY_WR, 0, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_CFG_SEQ_ENA, 1, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_CFG_TLB_ENA, 2, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_CFG_SEQ_CHECK_ALL_ENTRIES, 3, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_CFG_ABORT_MODE, 4, STORE_FIRST, STORE_LAST);
DEFINE_AVP_CACHE_REG_BIT_ENUM(MMU_CFG_CLR_ABORT, 5, NOP, CLEAN);
DEFINE_AVP_CACHE_REG_TWO_BIT_ENUM(MMU_CMD_CMD, 0, NOP, INIT, COPY_SHADOW, RSVD3);
DEFINE_AVP_CACHE_REG_BIT_ENUM(SHADOW_ENTRY_CFG_CACHED, 0, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(SHADOW_ENTRY_CFG_EXE_ENA, 1, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(SHADOW_ENTRY_CFG_RD_ENA, 2, DISABLE, ENABLE);
DEFINE_AVP_CACHE_REG_BIT_ENUM(SHADOW_ENTRY_CFG_WR_ENA, 3, DISABLE, ENABLE);

253
libraries/libexosphere/source/hw/hw_cache.arch.arm.cpp Normal file
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@ -0,0 +1,253 @@
/*
* 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/>.
*/
#include <exosphere.hpp>
#include "avp_cache_registers.hpp"
namespace ams::hw::arch::arm {
#ifdef __BPMP__
namespace {
constexpr inline uintptr_t AVP_CACHE = 0x50040000;
ALWAYS_INLINE bool IsLargeBuffer(size_t size) {
/* From TRM: For very large physical buffers or when the full cache needs to be cleared, */
/* software should simply loop over all lines in all ways and run the *_LINE command on each of them. */
return size >= DataCacheSize / 4;
}
ALWAYS_INLINE bool IsCacheEnabled() {
return reg::HasValue(AVP_CACHE + AVP_CACHE_CONFIG, AVP_CACHE_REG_BITS_ENUM(CONFIG_ENABLE_CACHE, TRUE));
}
void DoPhyCacheOperation(AVP_CACHE_MAINT_OPCODE op, uintptr_t addr) {
/* Clear maintenance done. */
reg::Write(AVP_CACHE + AVP_CACHE_INT_CLEAR, AVP_CACHE_REG_BITS_ENUM(INT_CLEAR_MAINTENANCE_DONE, TRUE));
/* Write maintenance address. */
reg::Write(AVP_CACHE + AVP_CACHE_MAINT_0, addr);
/* Write maintenance request. */
reg::Write(AVP_CACHE + AVP_CACHE_MAINT_2, AVP_CACHE_REG_BITS_VALUE(MAINT_2_WAY_BITMAP, 0x0),
AVP_CACHE_REG_BITS_VALUE(MAINT_2_OPCODE, op));
/* Wait for maintenance to be done. */
while (!reg::HasValue(AVP_CACHE + AVP_CACHE_INT_RAW_EVENT, AVP_CACHE_REG_BITS_ENUM(INT_RAW_EVENT_MAINTENANCE_DONE, TRUE))) {
/* ... */
}
/* Clear raw event. */
reg::Write(AVP_CACHE + AVP_CACHE_INT_CLEAR, reg::Read(AVP_CACHE + AVP_CACHE_INT_RAW_EVENT));
}
void DoEntireCacheOperation(AVP_CACHE_MAINT_OPCODE op) {
/* Clear maintenance done. */
reg::Write(AVP_CACHE + AVP_CACHE_INT_CLEAR, AVP_CACHE_REG_BITS_ENUM(INT_CLEAR_MAINTENANCE_DONE, TRUE));
/* Write maintenance request. */
reg::Write(AVP_CACHE + AVP_CACHE_MAINT_2, AVP_CACHE_REG_BITS_VALUE(MAINT_2_WAY_BITMAP, 0xF),
AVP_CACHE_REG_BITS_VALUE(MAINT_2_OPCODE, op));
/* Wait for maintenance to be done. */
while (!reg::HasValue(AVP_CACHE + AVP_CACHE_INT_RAW_EVENT, AVP_CACHE_REG_BITS_ENUM(INT_RAW_EVENT_MAINTENANCE_DONE, TRUE))) {
/* ... */
}
/* Clear raw event. */
reg::Write(AVP_CACHE + AVP_CACHE_INT_CLEAR, reg::Read(AVP_CACHE + AVP_CACHE_INT_RAW_EVENT));
}
}
#define REQUIRE_CACHE_ENABLED() \
do { \
if (AMS_UNLIKELY(!IsCacheEnabled())) { \
return; \
} \
} while (false) \
#define REQUIRE_CACHE_DISABLED() \
do { \
if (AMS_UNLIKELY(IsCacheEnabled())) { \
return; \
} \
} while (false) \
void InitializeDataCache() {
REQUIRE_CACHE_DISABLED();
/* Issue init mmu command. */
reg::Write(AVP_CACHE + AVP_CACHE_MMU_CMD, AVP_CACHE_REG_BITS_ENUM(MMU_CMD_CMD, INIT));
/* Set mmu fallback entry as RWX, uncached. */
reg::Write(AVP_CACHE + AVP_CACHE_MMU_FALLBACK_ENTRY, AVP_CACHE_REG_BITS_ENUM(MMU_FALLBACK_ENTRY_WR_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(MMU_FALLBACK_ENTRY_RD_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(MMU_FALLBACK_ENTRY_EXE_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(MMU_FALLBACK_ENTRY_CACHED, DISABLE));
/* Set mmu cfg. */
reg::Write(AVP_CACHE + AVP_CACHE_MMU_CFG, AVP_CACHE_REG_BITS_ENUM(MMU_CFG_CLR_ABORT, NOP),
AVP_CACHE_REG_BITS_ENUM(MMU_CFG_ABORT_MODE, STORE_LAST),
AVP_CACHE_REG_BITS_ENUM(MMU_CFG_SEQ_CHECK_ALL_ENTRIES, DISABLE),
AVP_CACHE_REG_BITS_ENUM(MMU_CFG_TLB_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(MMU_CFG_SEQ_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(MMU_CFG_BLOCK_MAIN_ENTRY_WR, DISABLE));
/* Initialize mmu entries. */
{
/* Clear shadow copy mask. */
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_COPY_MASK_0, 0);
/* Add DRAM as index 0, RWX/Cached. */
{
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_ENTRY_0_MIN_ADDR, 0x80000000);
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_ENTRY_0_MAX_ADDR, util::AlignDown(0xFFFFFFFF, DataCacheLineSize));
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_ENTRY_0_CFG, AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_WR_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_RD_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_EXE_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_CACHED, ENABLE));
}
/* Add IRAM as index 1, RWX/Cached. */
{
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_ENTRY_1_MIN_ADDR, 0x40000000);
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_ENTRY_1_MAX_ADDR, util::AlignDown(0x4003FFFF, DataCacheLineSize));
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_ENTRY_1_CFG, AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_WR_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_RD_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_EXE_ENA, ENABLE),
AVP_CACHE_REG_BITS_ENUM(SHADOW_ENTRY_CFG_CACHED, ENABLE));
}
/* Set index 0/1 in shadow copy mask. */
reg::Write(AVP_CACHE + AVP_CACHE_MMU_SHADOW_COPY_MASK_0, 0b11);
/* Issue copy shadow mmu command. */
reg::Write(AVP_CACHE + AVP_CACHE_MMU_CMD, AVP_CACHE_REG_BITS_ENUM(MMU_CMD_CMD, COPY_SHADOW));
}
/* Invalidate entire cache. */
DoEntireCacheOperation(AVP_CACHE_MAINT_OPCODE_INVALID_WAY);
/* Enable the cache. */
reg::Write(AVP_CACHE + AVP_CACHE_CONFIG, AVP_CACHE_REG_BITS_ENUM(CONFIG_ENABLE_CACHE, TRUE),
AVP_CACHE_REG_BITS_ENUM(CONFIG_FORCE_WRITE_THROUGH, TRUE),
AVP_CACHE_REG_BITS_ENUM(CONFIG_MMU_TAG_MODE, PARALLEL),
AVP_CACHE_REG_BITS_ENUM(CONFIG_TAG_CHECK_ABORT_ON_ERROR, TRUE));
/* Invalidate entire cache again (WAR for hardware bug). */
DoEntireCacheOperation(AVP_CACHE_MAINT_OPCODE_INVALID_WAY);
}
void FinalizeDataCache() {
REQUIRE_CACHE_ENABLED();
/* Flush entire data cache. */
FlushEntireDataCache();
/* Disable cache. */
reg::Write(AVP_CACHE + AVP_CACHE_CONFIG, AVP_CACHE_REG_BITS_ENUM(CONFIG_ENABLE_CACHE, FALSE));
}
void InvalidateEntireDataCache() {
REQUIRE_CACHE_ENABLED();
DoEntireCacheOperation(AVP_CACHE_MAINT_OPCODE_INVALID_WAY);
}
void StoreEntireDataCache() {
REQUIRE_CACHE_ENABLED();
DoEntireCacheOperation(AVP_CACHE_MAINT_OPCODE_CLEAN_WAY);
}
void FlushEntireDataCache() {
REQUIRE_CACHE_ENABLED();
DoEntireCacheOperation(AVP_CACHE_MAINT_OPCODE_CLEAN_INVALID_WAY);
}
void InvalidateDataCacheLine(void *ptr) {
/* NOTE: Don't check cache enabled as an optimization, as only direct caller will be InvalidateDataCache(). */
/* REQUIRE_CACHE_ENABLED(); */
DoPhyCacheOperation(AVP_CACHE_MAINT_OPCODE_INVALID_PHY, reinterpret_cast<uintptr_t>(ptr));
}
void StoreDataCacheLine(void *ptr) {
/* NOTE: Don't check cache enabled as an optimization, as only direct caller will be FlushDataCache(). */
/* REQUIRE_CACHE_ENABLED(); */
DoPhyCacheOperation(AVP_CACHE_MAINT_OPCODE_CLEAN_PHY, reinterpret_cast<uintptr_t>(ptr));
}
void FlushDataCacheLine(void *ptr) {
/* NOTE: Don't check cache enabled as an optimization, as only direct caller will be FlushDataCache(). */
/* REQUIRE_CACHE_ENABLED(); */
DoPhyCacheOperation(AVP_CACHE_MAINT_OPCODE_CLEAN_INVALID_PHY, reinterpret_cast<uintptr_t>(ptr));
}
void InvalidateDataCache(void *ptr, size_t size) {
REQUIRE_CACHE_ENABLED();
if (IsLargeBuffer(size)) {
InvalidateEntireDataCache();
} else {
const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
const uintptr_t end = util::AlignUp(start + size, hw::DataCacheLineSize);
for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
InvalidateDataCacheLine(reinterpret_cast<void *>(cur));
}
}
}
void StoreDataCache(const void *ptr, size_t size) {
REQUIRE_CACHE_ENABLED();
if (IsLargeBuffer(size)) {
StoreEntireDataCache();
} else {
const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
const uintptr_t end = util::AlignUp(start + size, hw::DataCacheLineSize);
for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
StoreDataCacheLine(reinterpret_cast<void *>(cur));
}
}
}
void FlushDataCache(const void *ptr, size_t size) {
REQUIRE_CACHE_ENABLED();
if (IsLargeBuffer(size)) {
FlushEntireDataCache();
} else {
const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
const uintptr_t end = util::AlignUp(start + size, hw::DataCacheLineSize);
for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
FlushDataCacheLine(reinterpret_cast<void *>(cur));
}
}
}
#endif
}

10
libraries/libvapours/source/dd/impl/dd_cache_impl.os.horizon.hpp
View file

@ -46,8 +46,7 @@ namespace ams::dd::impl {
const auto result = svc::StoreProcessDataCache(svc::PseudoHandle::CurrentProcess, reinterpret_cast<uintptr_t>(addr), size);
R_ASSERT(result);
#elif defined(ATMOSPHERE_IS_EXOSPHERE) && defined(__BPMP__)
/* Do nothing. */
AMS_UNUSED(addr, size);
return hw::StoreDataCache(addr, size);
#else
#error "Unknown execution context for ams::dd::impl::StoreDataCacheImpl"
#endif
@ -78,8 +77,7 @@ namespace ams::dd::impl {
const auto result = svc::FlushProcessDataCache(svc::PseudoHandle::CurrentProcess, reinterpret_cast<uintptr_t>(addr), size);
R_ASSERT(result);
#elif defined(ATMOSPHERE_IS_EXOSPHERE) && defined(__BPMP__)
/* Do nothing. */
AMS_UNUSED(addr, size);
return hw::FlushDataCache(addr, size);
#else
#error "Unknown execution context for ams::dd::impl::FlushDataCacheImpl"
#endif
@ -87,8 +85,12 @@ namespace ams::dd::impl {
}
void InvalidateDataCacheImpl(void *addr, size_t size) {
#if defined(ATMOSPHERE_IS_EXOSPHERE) && defined(__BPMP__)
return hw::InvalidateDataCache(addr, size);
#else
/* Just perform a flush, which is clean + invalidate. */
return FlushDataCacheImpl(addr, size);
#endif
}
}