standarize on unix-like lowercase struct names
This commit is contained in:
rsc
parent
e0966f459f
commit
b5f17007f4
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@ -31,7 +31,7 @@
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**********************************************************************/
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#define SECTSIZE 512
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#define ELFHDR ((struct Elf *) 0x10000) // scratch space
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#define ELFHDR ((struct elfhdr *) 0x10000) // scratch space
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void readsect(void*, uint32_t);
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void readseg(uint32_t, uint32_t, uint32_t);
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@ -39,7 +39,7 @@ void readseg(uint32_t, uint32_t, uint32_t);
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void
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cmain(void)
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{
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struct Proghdr *ph, *eph;
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struct proghdr *ph, *eph;
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// read 1st page off disk
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readseg((uint32_t) ELFHDR, SECTSIZE*8, 0);
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@ -49,7 +49,7 @@ cmain(void)
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goto bad;
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// load each program segment (ignores ph flags)
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ph = (struct Proghdr *) ((uint8_t *) ELFHDR + ELFHDR->phoff);
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ph = (struct proghdr *) ((uint8_t *) ELFHDR + ELFHDR->phoff);
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eph = ph + ELFHDR->phnum;
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for (; ph < eph; ph++)
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readseg(ph->va, ph->memsz, ph->offset);
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4
elf.h
4
elf.h
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@ -1,6 +1,6 @@
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#define ELF_MAGIC 0x464C457FU /* "\x7FELF" in little endian */
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struct Elf {
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struct elfhdr {
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uint32_t magic; // must equal ELF_MAGIC
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uint8_t elf[12];
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uint16_t type;
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@ -18,7 +18,7 @@ struct Elf {
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uint16_t shstrndx;
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};
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struct Proghdr {
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struct proghdr {
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uint32_t type;
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uint32_t offset;
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uint32_t va;
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12
main.c
12
main.c
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@ -57,8 +57,8 @@ main0(void)
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p->mem = kalloc(p->sz);
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memset(p->mem, 0, p->sz);
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p->kstack = kalloc(KSTACKSIZE);
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p->tf = (struct Trapframe *) (p->kstack + KSTACKSIZE - sizeof(struct Trapframe));
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memset(p->tf, 0, sizeof(struct Trapframe));
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p->tf = (struct trapframe *) (p->kstack + KSTACKSIZE - sizeof(struct trapframe));
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memset(p->tf, 0, sizeof(struct trapframe));
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p->tf->es = p->tf->ds = p->tf->ss = (SEG_UDATA << 3) | 3;
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p->tf->cs = (SEG_UCODE << 3) | 3;
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p->tf->eflags = FL_IF;
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@ -110,11 +110,11 @@ void
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load_icode(struct proc *p, uint8_t *binary, uint size)
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{
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int i;
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struct Elf *elf;
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struct Proghdr *ph;
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struct elfhdr *elf;
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struct proghdr *ph;
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// Check magic number on binary
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elf = (struct Elf*) binary;
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elf = (struct elfhdr*) binary;
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cprintf("elf %x magic %x\n", elf, elf->magic);
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if (elf->magic != ELF_MAGIC)
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panic("load_icode: not an ELF binary");
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@ -123,7 +123,7 @@ load_icode(struct proc *p, uint8_t *binary, uint size)
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p->tf->esp = p->sz;
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// Map and load segments as directed.
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ph = (struct Proghdr*) (binary + elf->phoff);
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ph = (struct proghdr*) (binary + elf->phoff);
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for (i = 0; i < elf->phnum; i++, ph++) {
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if (ph->type != ELF_PROG_LOAD)
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continue;
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14
mmu.h
14
mmu.h
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@ -60,7 +60,7 @@
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#else // not __ASSEMBLER__
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// Segment Descriptors
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struct Segdesc {
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struct segdesc {
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uint lim_15_0 : 16; // Low bits of segment limit
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uint base_15_0 : 16; // Low bits of segment base address
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uint base_23_16 : 8; // Middle bits of segment base address
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@ -76,15 +76,15 @@ struct Segdesc {
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uint base_31_24 : 8; // High bits of segment base address
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};
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// Null segment
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#define SEG_NULL (struct Segdesc){ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
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#define SEG_NULL (struct segdesc){ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
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// Segment that is loadable but faults when used
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#define SEG_FAULT (struct Segdesc){ 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0 }
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#define SEG_FAULT (struct segdesc){ 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0 }
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// Normal segment
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#define SEG(type, base, lim, dpl) (struct Segdesc) \
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#define SEG(type, base, lim, dpl) (struct segdesc) \
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{ ((lim) >> 12) & 0xffff, (base) & 0xffff, ((base) >> 16) & 0xff, \
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type, 1, dpl, 1, (uint) (lim) >> 28, 0, 0, 1, 1, \
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(uint) (base) >> 24 }
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#define SEG16(type, base, lim, dpl) (struct Segdesc) \
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#define SEG16(type, base, lim, dpl) (struct segdesc) \
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{ (lim) & 0xffff, (base) & 0xffff, ((base) >> 16) & 0xff, \
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type, 1, dpl, 1, (uint) (lim) >> 16, 0, 0, 1, 0, \
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(uint) (base) >> 24 }
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@ -123,7 +123,7 @@ struct Segdesc {
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#ifndef __ASSEMBLER__
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// Task state segment format (as described by the Pentium architecture book)
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struct Taskstate {
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struct taskstate {
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uint32_t link; // Old ts selector
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uintptr_t esp0; // Stack pointers and segment selectors
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uint16_t ss0; // after an increase in privilege level
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@ -164,7 +164,7 @@ struct Taskstate {
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};
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// Gate descriptors for interrupts and traps
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struct Gatedesc {
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struct gatedesc {
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uint off_15_0 : 16; // low 16 bits of offset in segment
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uint ss : 16; // segment selector
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uint args : 5; // # args, 0 for interrupt/trap gates
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40
mp.c
40
mp.c
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@ -31,12 +31,12 @@ static char* buses[] = {
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#define APBOOTCODE 0x7000 // XXX hack
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static struct MP* mp; // The MP floating point structure
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static struct mp* mp; // The MP floating point structure
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struct cpu cpus[NCPU];
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int ncpu;
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static struct cpu *bcpu;
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static struct MP*
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static struct mp*
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mp_scan(uint8_t *addr, int len)
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{
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uint8_t *e, *p, sum;
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cprintf("scanning: 0x%x\n", (uint32_t)addr);
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e = addr+len;
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for(p = addr; p < e; p += sizeof(struct MP)){
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for(p = addr; p < e; p += sizeof(struct mp)){
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if(memcmp(p, "_MP_", 4))
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continue;
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sum = 0;
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for(i = 0; i < sizeof(struct MP); i++)
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for(i = 0; i < sizeof(struct mp); i++)
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sum += p[i];
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if(sum == 0)
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return (struct MP *)p;
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return (struct mp *)p;
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}
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return 0;
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}
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static struct MP*
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static struct mp*
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mp_search(void)
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{
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uint8_t *bda;
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uint32_t p;
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struct MP *mp;
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struct mp *mp;
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/*
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* Search for the MP Floating Pointer Structure, which according to the
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@ -86,7 +86,7 @@ mp_search(void)
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static int
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mp_detect(void)
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{
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struct MPCTB *pcmp;
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struct mpctb *pcmp;
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uint8_t *p, sum;
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uint32_t length;
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@ -100,7 +100,7 @@ mp_detect(void)
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if((mp = mp_search()) == 0 || mp->physaddr == 0)
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return 1;
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pcmp = (struct MPCTB *) mp->physaddr;
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pcmp = (struct mpctb *) mp->physaddr;
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if(memcmp(pcmp, "PCMP", 4))
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return 2;
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@ -121,9 +121,9 @@ mp_init(void)
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{
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int r;
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uint8_t *p, *e;
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struct MPCTB *mpctb;
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struct MPPE *proc;
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struct MPBE *bus;
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struct mpctb *mpctb;
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struct mppe *proc;
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struct mpbe *bus;
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int i;
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ncpu = 0;
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@ -136,40 +136,40 @@ mp_init(void)
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* application processors and initialising any I/O APICs. The table
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* is guaranteed to be in order such that only one pass is necessary.
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*/
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mpctb = (struct MPCTB *) mp->physaddr;
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mpctb = (struct mpctb *) mp->physaddr;
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lapicaddr = (uint32_t *) mpctb->lapicaddr;
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cprintf("apicaddr: %x\n", lapicaddr);
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p = ((uint8_t*)mpctb)+sizeof(struct MPCTB);
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p = ((uint8_t*)mpctb)+sizeof(struct mpctb);
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e = ((uint8_t*)mpctb)+mpctb->length;
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while(p < e) {
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switch(*p){
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case MPPROCESSOR:
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proc = (struct MPPE *) p;
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proc = (struct mppe *) p;
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cpus[ncpu].apicid = proc->apicid;
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cprintf("a processor %x\n", cpus[ncpu].apicid);
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if (proc->flags & MPBP) {
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bcpu = &cpus[ncpu];
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}
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ncpu++;
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p += sizeof(struct MPPE);
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p += sizeof(struct mppe);
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continue;
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case MPBUS:
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bus = (struct MPBE *) p;
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bus = (struct mpbe *) p;
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for(i = 0; buses[i]; i++){
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if(strncmp(buses[i], bus->string, sizeof(bus->string)) == 0)
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break;
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}
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cprintf("a bus %d\n", i);
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p += sizeof(struct MPBE);
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p += sizeof(struct mpbe);
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continue;
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case MPIOAPIC:
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cprintf("an I/O APIC\n");
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p += sizeof(struct MPIOAPIC);
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p += sizeof(struct mpioapic);
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continue;
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case MPIOINTR:
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cprintf("an I/O intr\n");
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p += sizeof(struct MPIE);
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p += sizeof(struct mpie);
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continue;
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default:
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cprintf("mpinit: unknown PCMP type 0x%x (e-p 0x%x)\n", *p, e-p);
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12
mp.h
12
mp.h
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@ -4,7 +4,7 @@
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* Credit: Plan 9 sources
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*/
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struct MP { /* floating pointer */
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struct mp { /* floating pointer */
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uint8_t signature[4]; /* "_MP_" */
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physaddr_t physaddr; /* physical address of MP configuration table */
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uint8_t length; /* 1 */
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@ -15,7 +15,7 @@ struct MP { /* floating pointer */
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uint8_t reserved[3];
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};
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struct MPCTB { /* configuration table header */
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struct mpctb { /* configuration table header */
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uint8_t signature[4]; /* "PCMP" */
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uint16_t length; /* total table length */
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uint8_t version; /* [14] */
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@ -30,7 +30,7 @@ struct MPCTB { /* configuration table header */
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uint8_t reserved;
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};
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struct MPPE { /* processor table entry */
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struct mppe { /* processor table entry */
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uint8_t type; /* entry type (0) */
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uint8_t apicid; /* local APIC id */
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uint8_t version; /* local APIC verison */
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@ -40,13 +40,13 @@ struct MPPE { /* processor table entry */
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uint8_t reserved[8];
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};
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struct MPBE { /* bus table entry */
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struct mpbe { /* bus table entry */
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uint8_t type; /* entry type (1) */
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uint8_t busno; /* bus id */
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char string[6]; /* bus type string */
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};
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struct MPIOAPIC { /* I/O APIC table entry */
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struct mpioapic { /* I/O APIC table entry */
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uint8_t type; /* entry type (2) */
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uint8_t apicno; /* I/O APIC id */
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uint8_t version; /* I/O APIC version */
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@ -54,7 +54,7 @@ struct MPIOAPIC { /* I/O APIC table entry */
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uintptr_t addr; /* I/O APIC address */
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};
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struct MPIE { /* interrupt table entry */
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struct mpie { /* interrupt table entry */
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uint8_t type; /* entry type ([34]) */
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uint8_t intr; /* interrupt type */
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uint16_t flags; /* interrupt flag */
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6
proc.c
6
proc.c
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@ -13,7 +13,7 @@ struct proc proc[NPROC];
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struct proc *curproc[NCPU];
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int next_pid = 1;
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extern void forkret(void);
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extern void forkret1(struct Trapframe*);
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extern void forkret1(struct trapframe*);
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/*
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* set up a process's task state and segment descriptors
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@ -24,7 +24,7 @@ extern void forkret1(struct Trapframe*);
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void
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setupsegs(struct proc *p)
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{
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memset(&p->ts, 0, sizeof(struct Taskstate));
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memset(&p->ts, 0, sizeof(struct taskstate));
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p->ts.ss0 = SEG_KDATA << 3;
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p->ts.esp0 = (uint)(p->kstack + KSTACKSIZE);
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@ -100,7 +100,7 @@ copyproc(struct proc* p)
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setupsegs(np);
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// Copy trapframe registers from parent.
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np->tf = (struct Trapframe*)(np->kstack + KSTACKSIZE) - 1;
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np->tf = (struct trapframe*)(np->kstack + KSTACKSIZE) - 1;
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*np->tf = *p->tf;
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// Clear %eax so that fork system call returns 0 in child.
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6
proc.h
6
proc.h
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@ -48,14 +48,14 @@ struct proc{
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int killed;
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struct fd *fds[NOFILE];
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struct Taskstate ts; // only to give cpu address of kernel stack
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struct Segdesc gdt[NSEGS];
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struct taskstate ts; // only to give cpu address of kernel stack
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struct segdesc gdt[NSEGS];
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uint esp; // kernel stack pointer
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uint ebp; // kernel frame pointer
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struct jmpbuf jmpbuf;
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struct Trapframe *tf; // points into kstack, used to find user regs
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struct trapframe *tf; // points into kstack, used to find user regs
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};
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extern struct proc proc[];
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4
trap.c
4
trap.c
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@ -7,7 +7,7 @@
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#include "traps.h"
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#include "syscall.h"
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struct Gatedesc idt[256];
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struct gatedesc idt[256];
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extern uint vectors[]; /* vectors.S, array of 256 entry point addresses */
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extern void trapenter(void);
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@ -31,7 +31,7 @@ idtinit(void)
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}
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void
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trap(struct Trapframe *tf)
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trap(struct trapframe *tf)
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{
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int v = tf->trapno;
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14
x86.h
14
x86.h
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@ -12,10 +12,10 @@ static __inline void outsw(int port, const void *addr, int cnt) __attribute__((a
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static __inline void outsl(int port, const void *addr, int cnt) __attribute__((always_inline));
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static __inline void outl(int port, uint32_t data) __attribute__((always_inline));
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static __inline void invlpg(void *addr) __attribute__((always_inline));
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struct Segdesc;
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static __inline void lgdt(struct Segdesc *p, int) __attribute__((always_inline));
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struct Gatedesc;
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static __inline void lidt(struct Gatedesc *p, int) __attribute__((always_inline));
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struct segdesc;
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static __inline void lgdt(struct segdesc *p, int) __attribute__((always_inline));
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struct gatedesc;
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static __inline void lidt(struct gatedesc *p, int) __attribute__((always_inline));
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static __inline void lldt(uint16_t sel) __attribute__((always_inline));
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static __inline void ltr(uint16_t sel) __attribute__((always_inline));
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static __inline void lcr0(uint32_t val) __attribute__((always_inline));
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@ -144,7 +144,7 @@ invlpg(void *addr)
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}
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static __inline void
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lgdt(struct Segdesc *p, int size)
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lgdt(struct segdesc *p, int size)
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{
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volatile uint16_t pd[3];
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@ -156,7 +156,7 @@ lgdt(struct Segdesc *p, int size)
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}
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static __inline void
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lidt(struct Gatedesc *p, int size)
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lidt(struct gatedesc *p, int size)
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{
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volatile uint16_t pd[3];
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@ -339,7 +339,7 @@ sti(void)
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__asm__ volatile("sti");
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}
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struct Trapframe {
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struct trapframe {
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/* registers as pushed by pusha */
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uint32_t edi;
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uint32_t esi;
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