| Message ID | 20221211204533.85359-12-philmd@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | hw/mips/malta: Generate nanoMIPS bootloader with bootloader generator API | expand |
On 12/11/22 14:45, Philippe Mathieu-Daudé wrote: > Merge common code shared between write_bootloader() and > write_bootloader_nanomips() into bl_setup_gt64120_jump_kernel(). > > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~ > --- > hw/mips/malta.c | 155 +++++++++++++++++------------------------------- > 1 file changed, 56 insertions(+), 99 deletions(-) > > diff --git a/hw/mips/malta.c b/hw/mips/malta.c > index 876bc26a7f..9cd59c13e4 100644 > --- a/hw/mips/malta.c > +++ b/hw/mips/malta.c > @@ -610,11 +610,64 @@ static void network_init(PCIBus *pci_bus) > } > } > > +static void bl_setup_gt64120_jump_kernel(void **p, uint64_t run_addr, > + uint64_t kernel_entry) > +{ > + /* Bus endianess is always reversed */ > +#if TARGET_BIG_ENDIAN > +#define cpu_to_gt32 cpu_to_le32 > +#else > +#define cpu_to_gt32 cpu_to_be32 > +#endif > + > + /* setup MEM-to-PCI0 mapping as done by YAMON */ > + > + /* move GT64120 registers from 0x14000000 to 0x1be00000 */ > + bl_gen_write_u32(p, /* GT_ISD */ > + cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), > + cpu_to_gt32(0x1be00000 << 3)); > + > + /* setup PCI0 io window to 0x18000000-0x181fffff */ > + bl_gen_write_u32(p, /* GT_PCI0IOLD */ > + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), > + cpu_to_gt32(0x18000000 << 3)); > + bl_gen_write_u32(p, /* GT_PCI0IOHD */ > + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50), > + cpu_to_gt32(0x08000000 << 3)); > + > + /* setup PCI0 mem windows */ > + bl_gen_write_u32(p, /* GT_PCI0M0LD */ > + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58), > + cpu_to_gt32(0x10000000 << 3)); > + bl_gen_write_u32(p, /* GT_PCI0M0HD */ > + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x60), > + cpu_to_gt32(0x07e00000 << 3)); > + bl_gen_write_u32(p, /* GT_PCI0M1LD */ > + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x80), > + cpu_to_gt32(0x18200000 << 3)); > + bl_gen_write_u32(p, /* GT_PCI0M1HD */ > + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), > + cpu_to_gt32(0x0bc00000 << 3)); > + > +#undef cpu_to_gt32 > + > + bl_gen_jump_kernel(p, > + true, ENVP_VADDR - 64, > + /* > + * If semihosting is used, arguments have already > + * been passed, so we preserve $a0. > + */ > + !semihosting_get_argc(), 2, > + true, ENVP_VADDR, > + true, ENVP_VADDR + 8, > + true, loaderparams.ram_low_size, > + kernel_entry); > +} > + > static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr, > uint64_t kernel_entry) > { > uint16_t *p; > - void *v; > > /* Small bootloader */ > p = (uint16_t *)base; > @@ -638,55 +691,7 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr, > > /* to_here: */ > > -#if TARGET_BIG_ENDIAN > -#define cpu_to_gt32 cpu_to_le32 > -#else > -#define cpu_to_gt32 cpu_to_be32 > -#endif > - v = p; > - > - /* setup MEM-to-PCI0 mapping as done by YAMON */ > - > - /* move GT64120 registers from 0x14000000 to 0x1be00000 */ > - bl_gen_write_u32(&v, /* GT_ISD */ > - cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), > - cpu_to_gt32(0x1be00000 << 3)); > - > - /* setup PCI0 io window to 0x18000000-0x181fffff */ > - bl_gen_write_u32(&v, /* GT_PCI0IOLD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), > - cpu_to_gt32(0x18000000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0IOHD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50), > - cpu_to_gt32(0x08000000 << 3)); > - > - /* setup PCI0 mem windows */ > - bl_gen_write_u32(&v, /* GT_PCI0M0LD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58), > - cpu_to_gt32(0x10000000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0M0HD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x60), > - cpu_to_gt32(0x07e00000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0M1LD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x80), > - cpu_to_gt32(0x18200000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0M1HD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), > - cpu_to_gt32(0x0bc00000 << 3)); > - > -#undef cpu_to_gt32 > - > - bl_gen_jump_kernel(&v, > - true, ENVP_VADDR - 64, > - /* > - * If semihosting is used, arguments have already been > - * passed, so we preserve $a0. > - */ > - !semihosting_get_argc(), 2, > - true, ENVP_VADDR, > - true, ENVP_VADDR + 8, > - true, loaderparams.ram_low_size, > - kernel_entry); > + bl_setup_gt64120_jump_kernel((void **)&p, run_addr, kernel_entry); > } > > /* > @@ -752,55 +757,8 @@ static void write_bootloader(uint8_t *base, uint64_t run_addr, > * > */ > > - /* Bus endianess is always reversed */ > -#if TARGET_BIG_ENDIAN > -#define cpu_to_gt32 cpu_to_le32 > -#else > -#define cpu_to_gt32 cpu_to_be32 > -#endif > v = p; > - > - /* move GT64120 registers from 0x14000000 to 0x1be00000 */ > - bl_gen_write_u32(&v, /* GT_ISD */ > - cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), > - cpu_to_gt32(0x1be00000 << 3)); > - > - /* setup MEM-to-PCI0 mapping */ > - /* setup PCI0 io window to 0x18000000-0x181fffff */ > - bl_gen_write_u32(&v, /* GT_PCI0IOLD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), > - cpu_to_gt32(0x18000000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0IOHD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50), > - cpu_to_gt32(0x08000000 << 3)); > - /* setup PCI0 mem windows */ > - bl_gen_write_u32(&v, /* GT_PCI0M0LD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58), > - cpu_to_gt32(0x10000000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0M0HD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x60), > - cpu_to_gt32(0x07e00000 << 3)); > - > - bl_gen_write_u32(&v, /* GT_PCI0M1LD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x80), > - cpu_to_gt32(0x18200000 << 3)); > - bl_gen_write_u32(&v, /* GT_PCI0M1HD */ > - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), > - cpu_to_gt32(0x0bc00000 << 3)); > - > -#undef cpu_to_gt32 > - > - bl_gen_jump_kernel(&v, > - true, ENVP_VADDR - 64, > - /* > - * If semihosting is used, arguments have already been > - * passed, so we preserve $a0. > - */ > - !semihosting_get_argc(), 2, > - true, ENVP_VADDR, > - true, ENVP_VADDR + 8, > - true, loaderparams.ram_low_size, > - kernel_entry); > + bl_setup_gt64120_jump_kernel(&v, run_addr, kernel_entry); > p = v; > > /* YAMON subroutines */ > @@ -845,7 +803,6 @@ static void write_bootloader(uint8_t *base, uint64_t run_addr, > stl_p(p++, 0x00000000); /* nop */ > stl_p(p++, 0x03e00009); /* jalr ra */ > stl_p(p++, 0xa1040000); /* sb a0,0(t0) */ > - > } > > static void G_GNUC_PRINTF(3, 4) prom_set(uint32_t *prom_buf, int index,
diff --git a/hw/mips/malta.c b/hw/mips/malta.c index 876bc26a7f..9cd59c13e4 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -610,11 +610,64 @@ static void network_init(PCIBus *pci_bus) } } +static void bl_setup_gt64120_jump_kernel(void **p, uint64_t run_addr, + uint64_t kernel_entry) +{ + /* Bus endianess is always reversed */ +#if TARGET_BIG_ENDIAN +#define cpu_to_gt32 cpu_to_le32 +#else +#define cpu_to_gt32 cpu_to_be32 +#endif + + /* setup MEM-to-PCI0 mapping as done by YAMON */ + + /* move GT64120 registers from 0x14000000 to 0x1be00000 */ + bl_gen_write_u32(p, /* GT_ISD */ + cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), + cpu_to_gt32(0x1be00000 << 3)); + + /* setup PCI0 io window to 0x18000000-0x181fffff */ + bl_gen_write_u32(p, /* GT_PCI0IOLD */ + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), + cpu_to_gt32(0x18000000 << 3)); + bl_gen_write_u32(p, /* GT_PCI0IOHD */ + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50), + cpu_to_gt32(0x08000000 << 3)); + + /* setup PCI0 mem windows */ + bl_gen_write_u32(p, /* GT_PCI0M0LD */ + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58), + cpu_to_gt32(0x10000000 << 3)); + bl_gen_write_u32(p, /* GT_PCI0M0HD */ + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x60), + cpu_to_gt32(0x07e00000 << 3)); + bl_gen_write_u32(p, /* GT_PCI0M1LD */ + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x80), + cpu_to_gt32(0x18200000 << 3)); + bl_gen_write_u32(p, /* GT_PCI0M1HD */ + cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), + cpu_to_gt32(0x0bc00000 << 3)); + +#undef cpu_to_gt32 + + bl_gen_jump_kernel(p, + true, ENVP_VADDR - 64, + /* + * If semihosting is used, arguments have already + * been passed, so we preserve $a0. + */ + !semihosting_get_argc(), 2, + true, ENVP_VADDR, + true, ENVP_VADDR + 8, + true, loaderparams.ram_low_size, + kernel_entry); +} + static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr, uint64_t kernel_entry) { uint16_t *p; - void *v; /* Small bootloader */ p = (uint16_t *)base; @@ -638,55 +691,7 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr, /* to_here: */ -#if TARGET_BIG_ENDIAN -#define cpu_to_gt32 cpu_to_le32 -#else -#define cpu_to_gt32 cpu_to_be32 -#endif - v = p; - - /* setup MEM-to-PCI0 mapping as done by YAMON */ - - /* move GT64120 registers from 0x14000000 to 0x1be00000 */ - bl_gen_write_u32(&v, /* GT_ISD */ - cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), - cpu_to_gt32(0x1be00000 << 3)); - - /* setup PCI0 io window to 0x18000000-0x181fffff */ - bl_gen_write_u32(&v, /* GT_PCI0IOLD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), - cpu_to_gt32(0x18000000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0IOHD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50), - cpu_to_gt32(0x08000000 << 3)); - - /* setup PCI0 mem windows */ - bl_gen_write_u32(&v, /* GT_PCI0M0LD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58), - cpu_to_gt32(0x10000000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0M0HD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x60), - cpu_to_gt32(0x07e00000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0M1LD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x80), - cpu_to_gt32(0x18200000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0M1HD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), - cpu_to_gt32(0x0bc00000 << 3)); - -#undef cpu_to_gt32 - - bl_gen_jump_kernel(&v, - true, ENVP_VADDR - 64, - /* - * If semihosting is used, arguments have already been - * passed, so we preserve $a0. - */ - !semihosting_get_argc(), 2, - true, ENVP_VADDR, - true, ENVP_VADDR + 8, - true, loaderparams.ram_low_size, - kernel_entry); + bl_setup_gt64120_jump_kernel((void **)&p, run_addr, kernel_entry); } /* @@ -752,55 +757,8 @@ static void write_bootloader(uint8_t *base, uint64_t run_addr, * */ - /* Bus endianess is always reversed */ -#if TARGET_BIG_ENDIAN -#define cpu_to_gt32 cpu_to_le32 -#else -#define cpu_to_gt32 cpu_to_be32 -#endif v = p; - - /* move GT64120 registers from 0x14000000 to 0x1be00000 */ - bl_gen_write_u32(&v, /* GT_ISD */ - cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), - cpu_to_gt32(0x1be00000 << 3)); - - /* setup MEM-to-PCI0 mapping */ - /* setup PCI0 io window to 0x18000000-0x181fffff */ - bl_gen_write_u32(&v, /* GT_PCI0IOLD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), - cpu_to_gt32(0x18000000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0IOHD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50), - cpu_to_gt32(0x08000000 << 3)); - /* setup PCI0 mem windows */ - bl_gen_write_u32(&v, /* GT_PCI0M0LD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58), - cpu_to_gt32(0x10000000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0M0HD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x60), - cpu_to_gt32(0x07e00000 << 3)); - - bl_gen_write_u32(&v, /* GT_PCI0M1LD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x80), - cpu_to_gt32(0x18200000 << 3)); - bl_gen_write_u32(&v, /* GT_PCI0M1HD */ - cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), - cpu_to_gt32(0x0bc00000 << 3)); - -#undef cpu_to_gt32 - - bl_gen_jump_kernel(&v, - true, ENVP_VADDR - 64, - /* - * If semihosting is used, arguments have already been - * passed, so we preserve $a0. - */ - !semihosting_get_argc(), 2, - true, ENVP_VADDR, - true, ENVP_VADDR + 8, - true, loaderparams.ram_low_size, - kernel_entry); + bl_setup_gt64120_jump_kernel(&v, run_addr, kernel_entry); p = v; /* YAMON subroutines */ @@ -845,7 +803,6 @@ static void write_bootloader(uint8_t *base, uint64_t run_addr, stl_p(p++, 0x00000000); /* nop */ stl_p(p++, 0x03e00009); /* jalr ra */ stl_p(p++, 0xa1040000); /* sb a0,0(t0) */ - } static void G_GNUC_PRINTF(3, 4) prom_set(uint32_t *prom_buf, int index,
Merge common code shared between write_bootloader() and write_bootloader_nanomips() into bl_setup_gt64120_jump_kernel(). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- hw/mips/malta.c | 155 +++++++++++++++++------------------------------- 1 file changed, 56 insertions(+), 99 deletions(-)