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Use modern C++ attributes instead of __attribute__ voodoo.

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This is quite nice, although I wish [[gnu::always_inline]] implied inline.
Also "gnu::" is kind of a wart, but whatcha gonna do.
This commit is contained in:
Andreas Kling 2019-02-15 12:30:48 +01:00
parent fbcc8ab840
commit 022f7790db
34 changed files with 99 additions and 124 deletions
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19
Kernel/i386.h
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@ -6,7 +6,7 @@
#define PAGE_SIZE 4096
#define PAGE_MASK 0xfffff000
union Descriptor {
union [[gnu::packed]] Descriptor {
struct {
word limit_lo;
word base_lo;
@ -55,7 +55,7 @@ union Descriptor {
limit_lo = (dword)l & 0xffff;
limit_hi = ((dword)l >> 16) & 0xff;
}
} PACKED;
};
class IRQHandler;
@ -73,7 +73,12 @@ void gdt_free_entry(word);
Descriptor& get_gdt_entry(word selector);
void write_gdt_entry(word selector, Descriptor&);
#define HANG asm volatile( "cli; hlt" );
[[noreturn]] static inline void hang()
{
asm volatile("cli; hlt");
for (;;) { }
}
#define LSW(x) ((dword)(x) & 0xFFFF)
#define MSW(x) (((dword)(x) >> 16) & 0xFFFF)
#define LSB(x) ((x) & 0xFF)
@ -182,7 +187,7 @@ private:
LinearAddress m_laddr;
};
struct RegisterDump {
struct [[gnu::packed]] RegisterDump {
word ss;
word gs;
word fs;
@ -202,9 +207,9 @@ struct RegisterDump {
dword eflags;
dword esp_if_crossRing;
word ss_if_crossRing;
} PACKED;
};
struct RegisterDumpWithExceptionCode {
struct [[gnu::packed]] RegisterDumpWithExceptionCode {
word ss;
word gs;
word fs;
@ -226,7 +231,7 @@ struct RegisterDumpWithExceptionCode {
dword eflags;
dword esp_if_crossRing;
word ss_if_crossRing;
} PACKED;
};
struct FPUState {
dword cwd;