| Message ID | 20231218090059.2678224-5-gaosong@loongson.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add boot LoongArch elf kernel with FDT | expand |
On 2023/12/18 下午5:00, Song Gao wrote: > Signed-off-by: Song Gao <gaosong@loongson.cn> > --- > hw/loongarch/boot.c | 65 ++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 64 insertions(+), 1 deletion(-) > > diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c > index 4bfe24274a..076e795714 100644 > --- a/hw/loongarch/boot.c > +++ b/hw/loongarch/boot.c > @@ -14,6 +14,62 @@ > #include "qemu/error-report.h" > #include "sysemu/reset.h" > > +enum { > + SLAVE_BOOT, > +}; > + > +static const MemMapEntry loader_rommap[] = { > + [SLAVE_BOOT] = {0xf100000, 0x10000}, > +}; Address 0xf100000 had better be defined before 0x100000 Regards Bibo Mao > + > +static unsigned int slave_boot_code[] = { > + /* Configure reset ebase. */ > + 0x0400302c, /* csrwr $r12,0xc */ > + > + /* Disable interrupt. */ > + 0x0380100c, /* ori $r12,$r0,0x4 */ > + 0x04000180, /* csrxchg $r0,$r12,0x0 */ > + > + /* Clear mailbox. */ > + 0x1400002d, /* lu12i.w $r13,1(0x1) */ > + 0x038081ad, /* ori $r13,$r13,0x20 */ > + 0x06481da0, /* iocsrwr.d $r0,$r13 */ > + > + /* Enable IPI interrupt. */ > + 0x1400002c, /* lu12i.w $r12,1(0x1) */ > + 0x0400118c, /* csrxchg $r12,$r12,0x4 */ > + 0x02fffc0c, /* addi.d $r12,$r0,-1(0xfff) */ > + 0x1400002d, /* lu12i.w $r13,1(0x1) */ > + 0x038011ad, /* ori $r13,$r13,0x4 */ > + 0x064819ac, /* iocsrwr.w $r12,$r13 */ > + 0x1400002d, /* lu12i.w $r13,1(0x1) */ > + 0x038081ad, /* ori $r13,$r13,0x20 */ > + > + /* Wait for wakeup <.L11>: */ > + 0x06488000, /* idle 0x0 */ > + 0x03400000, /* andi $r0,$r0,0x0 */ > + 0x064809ac, /* iocsrrd.w $r12,$r13 */ > + 0x43fff59f, /* beqz $r12,-12(0x7ffff4) # 48 <.L11> */ > + > + /* Read and clear IPI interrupt. */ > + 0x1400002d, /* lu12i.w $r13,1(0x1) */ > + 0x064809ac, /* iocsrrd.w $r12,$r13 */ > + 0x1400002d, /* lu12i.w $r13,1(0x1) */ > + 0x038031ad, /* ori $r13,$r13,0xc */ > + 0x064819ac, /* iocsrwr.w $r12,$r13 */ > + > + /* Disable IPI interrupt. */ > + 0x1400002c, /* lu12i.w $r12,1(0x1) */ > + 0x04001180, /* csrxchg $r0,$r12,0x4 */ > + > + /* Read mail buf and jump to specified entry */ > + 0x1400002d, /* lu12i.w $r13,1(0x1) */ > + 0x038081ad, /* ori $r13,$r13,0x20 */ > + 0x06480dac, /* iocsrrd.d $r12,$r13 */ > + 0x00150181, /* move $r1,$r12 */ > + 0x4c000020, /* jirl $r0,$r1,0 */ > +}; > + > static int init_cmdline(struct loongarch_boot_info *info) > { > hwaddr cmdline_addr; > @@ -145,10 +201,17 @@ static void loongarch_direct_kernel_boot(LoongArchMachineState *lams, > exit(1); > } > > + rom_add_blob_fixed("slave_boot", slave_boot_code, sizeof(slave_boot_code), > + loader_rommap[SLAVE_BOOT].base); > + > for (i = 0; i < machine->smp.cpus; i++) { > lacpu = LOONGARCH_CPU(qemu_get_cpu(i)); > lacpu->env.load_elf = true; > - lacpu->env.elf_address = kernel_addr; > + if (i == 0) { > + lacpu->env.elf_address = kernel_addr; > + } else { > + lacpu->env.elf_address = loader_rommap[SLAVE_BOOT].base; > + } > lacpu->env.boot_info = info; > } > } >
在 2023/12/21 下午3:22, maobibo 写道: > > > On 2023/12/18 下午5:00, Song Gao wrote: >> Signed-off-by: Song Gao <gaosong@loongson.cn> >> --- >> hw/loongarch/boot.c | 65 ++++++++++++++++++++++++++++++++++++++++++++- >> 1 file changed, 64 insertions(+), 1 deletion(-) >> >> diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c >> index 4bfe24274a..076e795714 100644 >> --- a/hw/loongarch/boot.c >> +++ b/hw/loongarch/boot.c >> @@ -14,6 +14,62 @@ >> #include "qemu/error-report.h" >> #include "sysemu/reset.h" >> +enum { >> + SLAVE_BOOT, >> +}; >> + >> +static const MemMapEntry loader_rommap[] = { >> + [SLAVE_BOOT] = {0xf100000, 0x10000}, >> +}; > Address 0xf100000 had better be defined before 0x100000 > I will correct it on v3 Thanks. Song Gao > Regards > Bibo Mao > >> + >> +static unsigned int slave_boot_code[] = { >> + /* Configure reset ebase. */ >> + 0x0400302c, /* csrwr $r12,0xc */ >> + >> + /* Disable interrupt. */ >> + 0x0380100c, /* ori $r12,$r0,0x4 */ >> + 0x04000180, /* csrxchg $r0,$r12,0x0 */ >> + >> + /* Clear mailbox. */ >> + 0x1400002d, /* lu12i.w $r13,1(0x1) */ >> + 0x038081ad, /* ori $r13,$r13,0x20 */ >> + 0x06481da0, /* iocsrwr.d $r0,$r13 */ >> + >> + /* Enable IPI interrupt. */ >> + 0x1400002c, /* lu12i.w $r12,1(0x1) */ >> + 0x0400118c, /* csrxchg $r12,$r12,0x4 */ >> + 0x02fffc0c, /* addi.d $r12,$r0,-1(0xfff) */ >> + 0x1400002d, /* lu12i.w $r13,1(0x1) */ >> + 0x038011ad, /* ori $r13,$r13,0x4 */ >> + 0x064819ac, /* iocsrwr.w $r12,$r13 */ >> + 0x1400002d, /* lu12i.w $r13,1(0x1) */ >> + 0x038081ad, /* ori $r13,$r13,0x20 */ >> + >> + /* Wait for wakeup <.L11>: */ >> + 0x06488000, /* idle 0x0 */ >> + 0x03400000, /* andi $r0,$r0,0x0 */ >> + 0x064809ac, /* iocsrrd.w $r12,$r13 */ >> + 0x43fff59f, /* beqz $r12,-12(0x7ffff4) # 48 <.L11> */ >> + >> + /* Read and clear IPI interrupt. */ >> + 0x1400002d, /* lu12i.w $r13,1(0x1) */ >> + 0x064809ac, /* iocsrrd.w $r12,$r13 */ >> + 0x1400002d, /* lu12i.w $r13,1(0x1) */ >> + 0x038031ad, /* ori $r13,$r13,0xc */ >> + 0x064819ac, /* iocsrwr.w $r12,$r13 */ >> + >> + /* Disable IPI interrupt. */ >> + 0x1400002c, /* lu12i.w $r12,1(0x1) */ >> + 0x04001180, /* csrxchg $r0,$r12,0x4 */ >> + >> + /* Read mail buf and jump to specified entry */ >> + 0x1400002d, /* lu12i.w $r13,1(0x1) */ >> + 0x038081ad, /* ori $r13,$r13,0x20 */ >> + 0x06480dac, /* iocsrrd.d $r12,$r13 */ >> + 0x00150181, /* move $r1,$r12 */ >> + 0x4c000020, /* jirl $r0,$r1,0 */ >> +}; >> + >> static int init_cmdline(struct loongarch_boot_info *info) >> { >> hwaddr cmdline_addr; >> @@ -145,10 +201,17 @@ static void >> loongarch_direct_kernel_boot(LoongArchMachineState *lams, >> exit(1); >> } >> + rom_add_blob_fixed("slave_boot", slave_boot_code, >> sizeof(slave_boot_code), >> + loader_rommap[SLAVE_BOOT].base); >> + >> for (i = 0; i < machine->smp.cpus; i++) { >> lacpu = LOONGARCH_CPU(qemu_get_cpu(i)); >> lacpu->env.load_elf = true; >> - lacpu->env.elf_address = kernel_addr; >> + if (i == 0) { >> + lacpu->env.elf_address = kernel_addr; >> + } else { >> + lacpu->env.elf_address = loader_rommap[SLAVE_BOOT].base; >> + } >> lacpu->env.boot_info = info; >> } >> } >>
diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 4bfe24274a..076e795714 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -14,6 +14,62 @@ #include "qemu/error-report.h" #include "sysemu/reset.h" +enum { + SLAVE_BOOT, +}; + +static const MemMapEntry loader_rommap[] = { + [SLAVE_BOOT] = {0xf100000, 0x10000}, +}; + +static unsigned int slave_boot_code[] = { + /* Configure reset ebase. */ + 0x0400302c, /* csrwr $r12,0xc */ + + /* Disable interrupt. */ + 0x0380100c, /* ori $r12,$r0,0x4 */ + 0x04000180, /* csrxchg $r0,$r12,0x0 */ + + /* Clear mailbox. */ + 0x1400002d, /* lu12i.w $r13,1(0x1) */ + 0x038081ad, /* ori $r13,$r13,0x20 */ + 0x06481da0, /* iocsrwr.d $r0,$r13 */ + + /* Enable IPI interrupt. */ + 0x1400002c, /* lu12i.w $r12,1(0x1) */ + 0x0400118c, /* csrxchg $r12,$r12,0x4 */ + 0x02fffc0c, /* addi.d $r12,$r0,-1(0xfff) */ + 0x1400002d, /* lu12i.w $r13,1(0x1) */ + 0x038011ad, /* ori $r13,$r13,0x4 */ + 0x064819ac, /* iocsrwr.w $r12,$r13 */ + 0x1400002d, /* lu12i.w $r13,1(0x1) */ + 0x038081ad, /* ori $r13,$r13,0x20 */ + + /* Wait for wakeup <.L11>: */ + 0x06488000, /* idle 0x0 */ + 0x03400000, /* andi $r0,$r0,0x0 */ + 0x064809ac, /* iocsrrd.w $r12,$r13 */ + 0x43fff59f, /* beqz $r12,-12(0x7ffff4) # 48 <.L11> */ + + /* Read and clear IPI interrupt. */ + 0x1400002d, /* lu12i.w $r13,1(0x1) */ + 0x064809ac, /* iocsrrd.w $r12,$r13 */ + 0x1400002d, /* lu12i.w $r13,1(0x1) */ + 0x038031ad, /* ori $r13,$r13,0xc */ + 0x064819ac, /* iocsrwr.w $r12,$r13 */ + + /* Disable IPI interrupt. */ + 0x1400002c, /* lu12i.w $r12,1(0x1) */ + 0x04001180, /* csrxchg $r0,$r12,0x4 */ + + /* Read mail buf and jump to specified entry */ + 0x1400002d, /* lu12i.w $r13,1(0x1) */ + 0x038081ad, /* ori $r13,$r13,0x20 */ + 0x06480dac, /* iocsrrd.d $r12,$r13 */ + 0x00150181, /* move $r1,$r12 */ + 0x4c000020, /* jirl $r0,$r1,0 */ +}; + static int init_cmdline(struct loongarch_boot_info *info) { hwaddr cmdline_addr; @@ -145,10 +201,17 @@ static void loongarch_direct_kernel_boot(LoongArchMachineState *lams, exit(1); } + rom_add_blob_fixed("slave_boot", slave_boot_code, sizeof(slave_boot_code), + loader_rommap[SLAVE_BOOT].base); + for (i = 0; i < machine->smp.cpus; i++) { lacpu = LOONGARCH_CPU(qemu_get_cpu(i)); lacpu->env.load_elf = true; - lacpu->env.elf_address = kernel_addr; + if (i == 0) { + lacpu->env.elf_address = kernel_addr; + } else { + lacpu->env.elf_address = loader_rommap[SLAVE_BOOT].base; + } lacpu->env.boot_info = info; } }
Signed-off-by: Song Gao <gaosong@loongson.cn> --- hw/loongarch/boot.c | 65 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 64 insertions(+), 1 deletion(-)