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base-foc: avoid global ctor in Irq_session_component

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Issue #4784
Issue #3509
This commit is contained in:
Christian Helmuth 2023-06-29 15:53:49 +02:00 committed by Norman Feske
parent f6dcc3ca74
commit c84bbea1ca
1 changed files with 13 additions and 6 deletions
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19
repos/base-foc/src/core/irq_session_component.cc
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@ -61,7 +61,7 @@ class Core::Interrupt_handler : public Thread
enum { MAX_MSIS = 256 };
static struct Msi_allocator : Bit_array<MAX_MSIS>
struct Msi_allocator : Bit_array<MAX_MSIS>
{
Msi_allocator()
{
@ -78,7 +78,14 @@ static struct Msi_allocator : Bit_array<MAX_MSIS>
set(info.nr_msis, MAX_MSIS - info.nr_msis);
}
} msi_alloc;
};
static Msi_allocator & msi_alloc()
{
static Msi_allocator instance;
return instance;
}
bool Irq_object::associate(unsigned irq, bool msi,
@ -189,11 +196,11 @@ Irq_session_component::Irq_session_component(Range_allocator &irq_alloc,
long const msi = Arg_string::find_arg(args, "device_config_phys").long_value(0);
if (msi) {
if (msi_alloc.get(_irq_number, 1)) {
if (msi_alloc().get(_irq_number, 1)) {
error("unavailable MSI ", _irq_number, " requested");
throw Service_denied();
}
msi_alloc.set(_irq_number, 1);
msi_alloc().set(_irq_number, 1);
} else {
if (irq_alloc.alloc_addr(1, _irq_number).failed()) {
error("unavailable IRQ ", _irq_number, " requested");
@ -209,7 +216,7 @@ Irq_session_component::Irq_session_component(Range_allocator &irq_alloc,
/* cleanup */
if (msi)
msi_alloc.clear(_irq_number, 1);
msi_alloc().clear(_irq_number, 1);
else {
addr_t const free_irq = _irq_number;
_irq_alloc.free((void *)free_irq);
@ -224,7 +231,7 @@ Irq_session_component::~Irq_session_component()
return;
if (_irq_object.msi_address()) {
msi_alloc.clear(_irq_number, 1);
msi_alloc().clear(_irq_number, 1);
} else {
addr_t const free_irq = _irq_number;
_irq_alloc.free((void *)free_irq);