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This commit is contained in:
Syl4r39 2025-05-01 13:18:54 +02:00
parent 7f3530ea78
commit 412b3601fc
10 changed files with 27 additions and 8 deletions
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BIN
extra/dragon/cmos.dr
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extra/dragon/disk1.dr
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6
extra/dss/DragonOS/kernel0/kernel0.dss
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@ -3,11 +3,11 @@
.entry _kernel0_main
.header KERNEL0_BOOT
@include <../../sdk/bios_api.dss>
@include <../../sdk/palette.dss>
@include <../drivers/keyboard_driver.dss>
@include <../drivers/display_driver.dss>
@include <../drivers/keyboard_driver.dss>
@include <../../sdk/bios_api.dss>
@include <memory.dss>
@include <../../sdk/palette.dss>
## =========================================================================================================================

11
extra/dss/DragonOS/kernel0/memory.dss
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@ -1,7 +1,16 @@
@guard _MEMORY_DSS_
@define _REG_OFFSET 0x09
@define _REG_S1 0x07
@define _REG_S2 0x08
@define _USABLE_MEM_START 0x353F
@define _USABLE_MEM_SIZE 0xBAC0
@define _MEM_TABLE_ADDR 0x30FF
.code
_init_memory_handler:
mov R6, 0xFAAA
ret
_alloc_memory:

1
extra/dss/bios/data.dss
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@ -32,6 +32,7 @@
SCREEN_WIDTH { MemoryAddresses.CMOS + 0x0007 }
SCREEN_HEIGHT { MemoryAddresses.CMOS + 0x0009 }
BOOT_DISK { MemoryAddresses.CMOS + 0x0010 }
STACK_SIZE { MemoryAddresses.CMOS + 0x0011 }
DISK_LIST { MemoryAddresses.CMOS + 0x007E }
@end

3
extra/dss/sdk/bios_api.dss
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@ -1,5 +1,5 @@
## --
## -- This file is automatically generated by the DragonAssembler (version 0.4.1620)
## -- This file is automatically generated by the DragonAssembler (version 0.4.1621)
## -- Please do not modify this file in any way.
## --
@ -24,6 +24,7 @@
SCREEN_WIDTH { MemoryAddresses.CMOS + 0x0007 }
SCREEN_HEIGHT { MemoryAddresses.CMOS + 0x0009 }
BOOT_DISK { MemoryAddresses.CMOS + 0x0010 }
STACK_SIZE { MemoryAddresses.CMOS + 0x0011 }
DISK_LIST { MemoryAddresses.CMOS + 0x007E }
@end
## --

2
src/assembler/IncludePreprocessor.cpp
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@ -66,8 +66,6 @@ namespace dragon
{
ostd::String line = lines[i];
line.trim();
if (line.new_toLower().contains("memory.dss"))
std::cout << line << "\n";
if (line.new_toLower().startsWith("@include") && line.len() > 8)
{
line.substr(8).trim();

7
src/hardware/VirtualCPU.cpp
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@ -61,6 +61,13 @@ namespace dragon
void VirtualCPU::pushToStack(int16_t value)
{
uint16_t stackAddr = readRegister(data::Registers::SP);
uint16_t stack_size = DragonRuntime::vCMOS.read16(data::CMOSRegisters::StackSize);
if (stackAddr <= 0xFFFF - stack_size)
{
data::ErrorHandler::pushError(data::ErrorCodes::CPU_StackOverflow, "Stack Overflow: ");
m_halt = true;
return;
}
m_memory.write16(stackAddr, value);
writeRegister16(data::Registers::SP, stackAddr - 2);
m_stackFrameSize += 2;

1
src/runtime/DragonRuntime.cpp
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@ -322,6 +322,7 @@ namespace dragon
vCMOS.write8(data::CMOSRegisters::ScreenRedrawRate, machine_config.screen_redraw_rate_per_second);
vCMOS.write16(data::CMOSRegisters::ScreenWidth, static_cast<int16_t>(RawTextRenderer::CONSOLE_CHARS_H));
vCMOS.write16(data::CMOSRegisters::ScreenHeight, static_cast<int16_t>(RawTextRenderer::CONSOLE_CHARS_V));
vCMOS.write16(data::CMOSRegisters::StackSize, 0x1000);
ostd::BitField_16 disk_list_bitfield;
disk_list_bitfield.value = 0;
for (int32_t i = 0; i < 16; i++)

2
src/tools/GlobalData.hpp
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@ -20,6 +20,7 @@ namespace dragon
inline static constexpr uint64_t CPU_UnknownInstruction = 0x2000000000000000;
inline static constexpr uint64_t CPU_UnsupportedExtension = 0x2000000000000001;
inline static constexpr uint64_t CPU_StackOverflow = 0x2000000000000002;
inline static constexpr uint64_t BIOS_FailedToLoad = 0x3000000000000000;
inline static constexpr uint64_t BIOS_InvalidSize = 0x3000000000000001;
@ -223,6 +224,7 @@ namespace dragon
inline static constexpr uint8_t ScreenWidth = 0x07;
inline static constexpr uint8_t ScreenHeight = 0x09;
inline static constexpr uint8_t BootDisk = 0x10;
inline static constexpr uint8_t StackSize = 0x11;
inline static constexpr uint8_t DiskList = 0x7E;
};