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Some tests on ATA driver
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parent
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commit
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19
Makefile
19
Makefile
@ -108,7 +108,7 @@ KernSources = kernel/ke/cpuid.c kernel/mm/paging.c \
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kernel/ke/rtc.c kernel/io/keyb.c \
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kernel/io/spkr.c kernel/po/shtdwn.c \
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kernel/sh/shell.c kernel/sh/shcmds.c \
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kernel/sh/musage.c
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kernel/sh/musage.c kernel/io/ata.c
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KernObj=$(patsubst %.c,$(KOBJDIR)/%.o,$(KernSources))
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KernDep=$(patsubst %.c,$(KOBJDIR)/%.d,$(KernSources))
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@ -168,6 +168,15 @@ $(KOBJDIR)/kernel/ke/idt.o: $(KALEIDDIR)/kernel/ke/idt.c \
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@rm -f $@.1 $@.2
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@echo ${CL2}[$@] ${CL}Compiled.${CL3}
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$(KOBJDIR)/kernel/ke/cpuid.o: $(KALEIDDIR)/kernel/ke/cpuid.c \
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$(KALEIDDIR)/kernel/ke/cpuf.asm | $(KOBJDIR)
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@mkdir -p $(shell dirname $@)
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@$(ASM) $(ASMFLAGS) $(KALEIDDIR)/kernel/ke/cpuf.asm -o $@.1
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@$(KCC_MATHS) $< -o $@.2
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@$(LD) $(LDFLAGS) -r $@.1 $@.2 -o $@
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@rm -f $@.1 $@.2
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@echo ${CL2}[$@] ${CL}Compiled.${CL3}
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$(KOBJDIR)/kernel/mm/paging.o: $(KALEIDDIR)/kernel/mm/paging.c \
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$(KALEIDDIR)/kernel/mm/paging.asm | $(KOBJDIR)
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@mkdir -p $(shell dirname $@)
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@ -186,11 +195,11 @@ $(KOBJDIR)/kernel/mm/gdt.o: $(KALEIDDIR)/kernel/mm/gdt.c \
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@rm -f $@.1 $@.2
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@echo ${CL2}[$@] ${CL}Compiled.${CL3}
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$(KOBJDIR)/kernel/ke/cpuid.o: $(KALEIDDIR)/kernel/ke/cpuid.c \
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$(KALEIDDIR)/kernel/ke/cpuf.asm | $(KOBJDIR)
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$(KOBJDIR)/kernel/io/ata.o: $(KALEIDDIR)/kernel/io/ata.c \
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$(KALEIDDIR)/kernel/io/ata.asm | $(KOBJDIR)
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@mkdir -p $(shell dirname $@)
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@$(ASM) $(ASMFLAGS) $(KALEIDDIR)/kernel/ke/cpuf.asm -o $@.1
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@$(KCC_MATHS) $< -o $@.2
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@$(ASM) $(ASMFLAGS) $(KALEIDDIR)/kernel/io/ata.asm -o $@.1
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@$(KCC) $< -o $@.2
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@$(LD) $(LDFLAGS) -r $@.1 $@.2 -o $@
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@rm -f $@.1 $@.2
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@echo ${CL2}[$@] ${CL}Compiled.${CL3}
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@ -158,6 +158,12 @@ extern void MmLoadGdt(GdtPtr_t *gdtPtr, ushort tssOffset);
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//
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extern void MmStoreGdt(void);
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void MmInitPaging(void);
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void MmReloadPaging(void);
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void MmActivatePageHandler(void);
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//
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// Returns the address of the stack guard pages
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//
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@ -24,9 +24,6 @@
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#include "init.h"
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void MmInitPaging(void);
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void MmActivatePageHandler(void);
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//
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// Entry point of the Kaleid kernel
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//
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@ -34,6 +34,7 @@
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#include <mm/mm.h>
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#include <io/vga.h>
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#include <ke/cpuid.h>
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#include <io/ata.h>
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// info.c
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extern void BtDoSanityChecks(uint mbMagic);
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@ -23,6 +23,9 @@
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; along with OS/K. If not, see <https://www.gnu.org/licenses/>. ;
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;=----------------------------------------------------------------------------=;
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global IoReadATA
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extern KernLog
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[BITS 64]
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;; BPB
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@ -47,18 +50,14 @@
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%define fatTypeLabel bp+0x36 ; File system type
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;; GLOBAL DATA
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Bootdrv db 0
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ended db "[End of Sector]", 0x0A, 0x0A, 0x0D, 0x0
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buffer: times 513 db "_", 0
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;; TEXT
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ata_read:
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IoReadATA:
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;-----------------------------------------------------------------------;
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; x64/LM ATA Reading function ;
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; bl : number of sectors to read XXX ;
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; bh : the first sector to read ;
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; rsi : number of sectors to read XXX ;
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; rdx : the first sector to read ;
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;-----------------------------------------------------------------------;
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; Technical infos about the ports (Intel Doc):
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@ -99,11 +98,10 @@ ata_read:
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; 32h write long with retry
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; 33h write long without retry
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;
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push rax
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push rbx
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push rcx
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push rdx
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push rdi
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mov bh, dl
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mov dx, si
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mov bl, dl
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mov dx, 0x1f6 ; Drive and head port
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mov al, 0x0a0 ; Drive 0, head 0
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out dx,al
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@ -135,18 +133,7 @@ still_going:
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;is ready.
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mov cx, 512/2 ; One sector /2 because it copies words
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mov rdi, QWORD buffer
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mov dx, 0x1f0 ; Data port - data comes in and out of here.
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rep insw
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pop rdi
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mov bl, 0x0F
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mov rdi, QWORD buffer
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call KernLog
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mov bl, 0x0A
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mov rdi, ended
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call KernLog
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pop rdx
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pop rcx
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pop rbx
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pop rax
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ret
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@ -24,6 +24,17 @@
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#include "shell.h"
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int ShAtoi(char* str)
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{
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int res = 0;
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for (int i = 0; str[i] != 0; ++i)
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res = res * 10 + str[i] - '0';
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return res;
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}
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error_t CmdArgs(int argc, char **argv, char *cmdline)
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{
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int i;
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@ -114,6 +125,31 @@ error_t CmdDie(int argc, char **argv, char *cmdline)
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return EOK;
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}
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error_t CmdDumpATASect(int argc, char **argv, char *cmdline)
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{
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char sector[513] = {0};
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int sectNumber = ShAtoi(argv[1]);
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if (!sectNumber) {
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KernLog("Bad argument\n\n");
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return EINVAL;
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}
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KernLog("Sector number: %d\n", sectNumber);
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IoReadATA(sector, 1, sectNumber);
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for (int i = 0; i < 513; i++) {
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if (isprint(sector[i]))
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KernLog("%c", sector[i]);
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else
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KernLog(" ");
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}
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KernLog("\n\n");
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return EOK;
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}
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error_t CmdHelp(int argc, char **argv, char *cmdline)
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{
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uint i, count = 0;
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@ -242,10 +278,11 @@ Command_t cmdtable[] =
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{ "cpuid", CmdCpuid, "Request a cpuid info." },
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{ "date", CmdDate, "Print date" },
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{ "die", CmdDie, "Die painfully" },
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{ "dmpsec", CmdDumpATASect, "Dump an ATA sector on screen" },
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{ "help", CmdHelp, "Show this message" },
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{ "mmap", CmdMemMap, "Show memory map" },
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{ "musage", CmdMemUsage, "Show memory statistics" },
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{ "pfault", CmdPF, "Provoke a PF. Usage : pfault <address>" },
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{ "pfault", CmdPF, "Provoke a PF. Usage: pfault <address>"},
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{ "pstest", CmdPsTest, "Scheduler test routine" },
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{ "exit", CmdQuit, "Initiate shutdown" },
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{ "quit", CmdQuit, "Alias for 'exit'" },
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@ -253,9 +290,8 @@ Command_t cmdtable[] =
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{ "shell", CmdShell, "Start a new shell (nested)", },
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{ "stkov", CmdStackOverflow, "Provoke a stack overflow" },
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{ "stkun", CmdStackUnderflow, "Provoke a stack underflow" },
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{ "march", CmdStarWars, "Play the Imperial March"},
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{ "march", CmdStarWars, "Play the Imperial March" },
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{ "time", CmdTime, "Print time" },
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{ "test", CmdTime, "Undocumented (various tests)" },
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{ "ver", CmdVersion, "Version and legal infos" },
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{ NULL, NULL, NULL }
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};
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@ -35,13 +35,10 @@
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#include <io/vga.h>
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#include <po/shtdwn.h>
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#include <ke/cpuid.h>
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#include <io/ata.h>
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void IoScrollDown(void);
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void IoScrollUp(void);
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void KeStartShell(void);
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void pstest(void);
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void MmInitPaging(void);
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void MmReloadPaging(void);
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extern int shcol;
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extern int shargc;
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@ -45,4 +45,3 @@ _ATOI_IMPL(atoul, ulong, strtoul)
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#else
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#error "What am I supposed to declare?"
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#endif
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