misc: Misc stage 2 related improvements
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mintsuki
parent
3181293a04
commit
710757420b
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@ -215,15 +215,15 @@ $(call MKESCAPE,$(BUILDDIR))/stage2.bin.gz: $(call MKESCAPE,$(BUILDDIR))/stage2.
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gzip -n -9 < '$(call SHESCAPE,$<)' > '$(call SHESCAPE,$@)'
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$(call MKESCAPE,$(BUILDDIR))/stage2.bin: $(call MKESCAPE,$(BUILDDIR))/limine.sys
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dd if='$(call SHESCAPE,$<)' bs=$$(( 0x$$("$(CROSS_READELF)" -S '$(call SHESCAPE,$(BUILDDIR))/limine.elf' | $(GREP) .text.stage3 | $(SED) 's/^.*] //' | $(AWK) '{print $$3}' | $(SED) 's/^0*//') - 0x8000 )) count=1 of='$(call SHESCAPE,$@)' 2>/dev/null
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dd if='$(call SHESCAPE,$<)' bs=$$(( 0x$$("$(CROSS_READELF)" -S '$(call SHESCAPE,$(BUILDDIR))/limine.elf' | $(GREP) '\.text\.stage3' | $(SED) 's/^.*] //' | $(AWK) '{print $$3}' | $(SED) 's/^0*//') - 0x8000 )) count=1 of='$(call SHESCAPE,$@)' 2>/dev/null
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$(call MKESCAPE,$(BUILDDIR))/stage2.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf
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cd '$(call SHESCAPE,$(BUILDDIR))' && \
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'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' stage2 32 '\.text.stage2'
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'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' stage2 32 '\.text\.stage2'
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$(CROSS_CC) $(CROSS_CFLAGS) -c '$(call SHESCAPE,$(BUILDDIR))/stage2.map.S' -o '$(call SHESCAPE,$@)'
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rm -f '$(call SHESCAPE,$(BUILDDIR))/stage2.map.S' '$(call SHESCAPE,$(BUILDDIR))/stage2.map.d'
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$(call MKESCAPE,$(BUILDDIR))/full.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf
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$(call MKESCAPE,$(BUILDDIR))/full.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_nos3map.elf
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cd '$(call SHESCAPE,$(BUILDDIR))' && \
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'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 32 '\.text'
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$(CROSS_CC) $(CROSS_CFLAGS) -c '$(call SHESCAPE,$(BUILDDIR))/full.map.S' -o '$(call SHESCAPE,$@)'
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@ -242,11 +242,26 @@ $(call MKESCAPE,$(BUILDDIR))/limine_stage2only.elf: $(OBJ_S2) ../libgcc-binaries
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( echo "This error may mean that stage 2 was trying to use stage 3 symbols before loading stage 3" && \
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false )
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$(call MKESCAPE,$(BUILDDIR))/linker_nos2map.ld: linker_bios.ld.in
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$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
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$(CROSS_CC) -x c -E -P -undef -DLINKER_NOMAP -DLINKER_NOS2MAP linker_bios.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld'
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$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o $(call MKESCAPE,$(BUILDDIR))/font.o
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$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld'
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$(CROSS_LD) '$(call OBJESCAPE,$^)' $(CROSS_LDFLAGS) -T'$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld' -o '$(call SHESCAPE,$@)'
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$(CROSS_OBJCOPY) -O binary --only-section=.note.gnu.build-id '$(call SHESCAPE,$@)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s2.bin'
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cd '$(call SHESCAPE,$(BUILDDIR))' && \
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$(CROSS_OBJCOPY) -I binary $(OBJCOPY2ELF_FLAGS) build-id.s2.bin build-id.s2.o
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$(CROSS_OBJCOPY) -O binary --only-section=.note.gnu.build-id '$(call SHESCAPE,$@)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s3.bin'
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cd '$(call SHESCAPE,$(BUILDDIR))' && \
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$(CROSS_OBJCOPY) -I binary $(OBJCOPY2ELF_FLAGS) build-id.s3.bin build-id.s3.o
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$(CROSS_LD) '$(call OBJESCAPE,$^)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s2.o' '$(call SHESCAPE,$(BUILDDIR))/build-id.s3.o' $(CROSS_LDFLAGS) -T'$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld' -o '$(call SHESCAPE,$@)'
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$(call MKESCAPE,$(BUILDDIR))/linker_nomap.ld: linker_bios.ld.in
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$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
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$(CROSS_CC) -x c -E -P -undef -DLINKER_NOMAP linker_bios.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
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$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o $(call MKESCAPE,$(BUILDDIR))/font.o
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$(call MKESCAPE,$(BUILDDIR))/limine_nos3map.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o $(call MKESCAPE,$(BUILDDIR))/font.o $(call MKESCAPE,$(BUILDDIR))/stage2.map.o
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$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
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$(CROSS_LD) '$(call OBJESCAPE,$^)' $(CROSS_LDFLAGS) -T'$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld' -o '$(call SHESCAPE,$@)'
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$(CROSS_OBJCOPY) -O binary --only-section=.note.gnu.build-id '$(call SHESCAPE,$@)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s2.bin'
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@ -78,14 +78,13 @@ enum {
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};
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noreturn void entry(uint8_t boot_drive, int boot_from) {
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term_fallback();
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// XXX DO NOT MOVE A20 ENABLE CALL
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if (!a20_enable()) {
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term_fallback();
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panic(false, "Could not enable A20 line");
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}
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term_fallback();
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init_e820();
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init_memmap();
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@ -101,7 +100,7 @@ noreturn void entry(uint8_t boot_drive, int boot_from) {
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}
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if (boot_volume == NULL) {
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panic(false, "Could not determine boot drive\n");
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panic(false, "Could not determine boot drive");
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}
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volume_iterate_parts(boot_volume,
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@ -3,7 +3,7 @@
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#include <lib/misc.h>
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#include <lib/print.h>
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bool verbose = true;
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bool verbose = false;
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bool quiet = false;
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bool serial = false;
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@ -11,6 +11,29 @@
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#include <sys/cpu.h>
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#include <drivers/serial.h>
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#if defined (BIOS)
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static void s2_print(const char *s, size_t len) {
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for (size_t i = 0; i < len; i++) {
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struct rm_regs r = {0};
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char c = s[i];
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switch (c) {
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case '\n':
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r.eax = 0x0e00 | '\r';
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rm_int(0x10, &r, &r);
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r = (struct rm_regs){0};
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r.eax = 0x0e00 | '\n';
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rm_int(0x10, &r, &r);
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break;
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default:
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r.eax = 0x0e00 | s[i];
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rm_int(0x10, &r, &r);
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break;
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}
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}
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}
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#endif
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static const char *base_digits = "0123456789abcdef";
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#define PRINT_BUF_MAX 4096
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@ -180,7 +203,15 @@ void vprint(const char *fmt, va_list args) {
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}
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out:
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#if defined (BIOS)
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if (stage3_loaded) {
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#endif
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term_write((uint64_t)(uintptr_t)print_buf, print_buf_i);
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#if defined (BIOS)
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} else {
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s2_print(print_buf, print_buf_i);
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}
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#endif
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for (size_t i = 0; i < print_buf_i; i++) {
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#if defined (__x86_64__) || defined (__i386__)
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@ -41,10 +41,9 @@ SECTIONS
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getchar = .;
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menu = .;
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term_write = .;
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term_vbe = .;
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stage3_addr = .;
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#else
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#ifdef LINKER_NOMAP
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#ifdef LINKER_NOS2MAP
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stage2_map = .;
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#else
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*(.stage2_map)
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