RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 13:17:44 +00:00
Code Issues Activity Actions

Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions

Browse source 
We're now able to unmap 100 KiB of kernel text after init. :^)
This commit is contained in:
Andreas Kling 2021-02-19 21:29:46 +01:00
parent e920c74cae
commit 2b2828ae52
36 changed files with 105 additions and 105 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/PCI/Access.cpp
View file

@ -54,7 +54,7 @@ bool Access::is_initialized()
return (s_access != nullptr);
}
Access::Access()
UNMAP_AFTER_INIT Access::Access()
{
s_access = this;
}

4
Kernel/PCI/IOAccess.cpp
View file

@ -31,7 +31,7 @@
namespace Kernel {
namespace PCI {
void IOAccess::initialize()
UNMAP_AFTER_INIT void IOAccess::initialize()
{
if (!Access::is_initialized()) {
new IOAccess();
@ -39,7 +39,7 @@ void IOAccess::initialize()
}
}
IOAccess::IOAccess()
UNMAP_AFTER_INIT IOAccess::IOAccess()
{
klog() << "PCI: Using I/O instructions for PCI configuration space access";
enumerate_hardware([&](const Address& address, ID id) {

6
Kernel/PCI/Initializer.cpp
View file

@ -37,7 +37,7 @@ namespace PCI {
static bool test_pci_io();
static Access::Type detect_optimal_access_type(bool mmio_allowed)
UNMAP_AFTER_INIT static Access::Type detect_optimal_access_type(bool mmio_allowed)
{
if (mmio_allowed && ACPI::is_enabled() && !ACPI::Parser::the()->find_table("MCFG").is_null())
return Access::Type::MMIO;
@ -48,7 +48,7 @@ static Access::Type detect_optimal_access_type(bool mmio_allowed)
PANIC("No PCI bus access method detected!");
}
void initialize()
UNMAP_AFTER_INIT void initialize()
{
bool mmio_allowed = kernel_command_line().lookup("pci_mmio").value_or("off") == "on";
@ -61,7 +61,7 @@ void initialize()
});
}
bool test_pci_io()
UNMAP_AFTER_INIT bool test_pci_io()
{
klog() << "Testing PCI via manual probing... ";
u32 tmp = 0x80000000;

8
Kernel/PCI/MMIOAccess.cpp
View file

@ -49,7 +49,7 @@ private:
#define PCI_MMIO_CONFIG_SPACE_SIZE 4096
DeviceConfigurationSpaceMapping::DeviceConfigurationSpaceMapping(Address device_address, const MMIOSegment& mmio_segment)
UNMAP_AFTER_INIT DeviceConfigurationSpaceMapping::DeviceConfigurationSpaceMapping(Address device_address, const MMIOSegment& mmio_segment)
: m_device_address(device_address)
, m_mapped_region(MM.allocate_kernel_region(page_round_up(PCI_MMIO_CONFIG_SPACE_SIZE), "PCI MMIO Device Access", Region::Access::Read | Region::Access::Write).release_nonnull())
{
@ -79,7 +79,7 @@ uint8_t MMIOAccess::segment_end_bus(u32 seg) const
return segment.value().get_end_bus();
}
void MMIOAccess::initialize(PhysicalAddress mcfg)
UNMAP_AFTER_INIT void MMIOAccess::initialize(PhysicalAddress mcfg)
{
if (!Access::is_initialized()) {
new MMIOAccess(mcfg);
@ -89,7 +89,7 @@ void MMIOAccess::initialize(PhysicalAddress mcfg)
}
}
MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
UNMAP_AFTER_INIT MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
: m_mcfg(p_mcfg)
{
klog() << "PCI: Using MMIO for PCI configuration space access";
@ -131,7 +131,7 @@ MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
});
}
Optional<VirtualAddress> MMIOAccess::get_device_configuration_space(Address address)
UNMAP_AFTER_INIT Optional<VirtualAddress> MMIOAccess::get_device_configuration_space(Address address)
{
dbgln_if(PCI_DEBUG, "PCI: Getting device configuration space for {}", address);
for (auto& mapping : m_mapped_device_regions) {