QTechOS/kernel/drivers/opensbi/extensions/legacy.cpp
Quantum f9ea032b7d
Kernel/OpenSBI: Switched to stdint.h
Not sure when I started typing cstdint but for now I want to stick to
stdint.h
2022-07-31 21:32:11 -04:00

110 lines
3.1 KiB
C++

#include "opensbi/extensions/legacy.h"
namespace drivers {
namespace opensbi::legacy {
namespace {
enum class ExtensionId {
SET_TIMER,
CONSOLE_PUTCHAR,
CONSOLE_GETCHAR,
CLEAR_IPI,
SEND_IPI,
REMOTE_FENCE_I,
REMOTE_SFENCE_VMA,
REMOTE_SFENCE_VMA_ASID,
SHUTDOWN
};
enum class Functionid {
UNUSED
};
}
SbiRet set_timer(uint64_t stime_value) {
#if __riscv_xlen == 64
return ecall(
static_cast<sbiword_t>(ExtensionId::SET_TIMER),
static_cast<sbiword_t>(Functionid::UNUSED),
stime_value);
#else
return ecall(
static_cast<sbiword_t>(ExtensionId::SET_TIMER),
static_cast<sbiword_t>(Functionid::UNUSED),
static_cast<uint32_t>(stime_value),
static_cast<uint32_t>(stime_value >> 32));
#endif
}
SbiRet console_putchar(int ch) {
return ecall(
static_cast<sbiword_t>(ExtensionId::CONSOLE_PUTCHAR),
static_cast<sbiword_t>(Functionid::UNUSED),
ch);
}
SbiRet console_getchar() {
return ecall(
static_cast<sbiword_t>(ExtensionId::CONSOLE_GETCHAR),
static_cast<sbiword_t>(Functionid::UNUSED));
}
SbiRet clear_ipmi() {
return ecall(
static_cast<sbiword_t>(ExtensionId::CLEAR_IPI),
static_cast<sbiword_t>(Functionid::UNUSED));
}
SbiRet send_ipmi(hart_mask_t hart_mask) {
return ecall(
static_cast<sbiword_t>(ExtensionId::SEND_IPI),
static_cast<sbiword_t>(Functionid::UNUSED),
reinterpret_cast<sbiword_t>(hart_mask));
}
SbiRet remote_fence_i(hart_mask_t hart_mask) {
return ecall(
static_cast<sbiword_t>(ExtensionId::REMOTE_FENCE_I),
static_cast<sbiword_t>(Functionid::UNUSED),
reinterpret_cast<sbiword_t>(hart_mask));
}
SbiRet remote_sfence_vma(
hart_mask_t hart_mask,
sbiword_t start,
sbiword_t size) {
return ecall(
static_cast<sbiword_t>(ExtensionId::REMOTE_SFENCE_VMA),
static_cast<sbiword_t>(Functionid::UNUSED),
reinterpret_cast<sbiword_t>(hart_mask),
start,
size);
}
SbiRet remote_sfence_vma_asid(
hart_mask_t hart_mask,
sbiword_t start,
sbiword_t size,
sbiword_t asid) {
return ecall(
static_cast<sbiword_t>(ExtensionId::REMOTE_SFENCE_VMA_ASID),
static_cast<sbiword_t>(Functionid::UNUSED),
reinterpret_cast<sbiword_t>(hart_mask),
start,
size,
asid);
}
void shutdown() {
ecall(
static_cast<sbiword_t>(ExtensionId::SHUTDOWN),
static_cast<sbiword_t>(Functionid::UNUSED));
// This should never be reached, explode if it is
__builtin_trap();
while(1);
}
} // End namespace opensbi::legacy
} // End namespace drivers