From dde989943b401aec3a063214278474d2f8c1a9de Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Tue, 15 Dec 2020 14:41:53 +0800 Subject: [PATCH] hw/mips: Make bootloader addresses unsigned MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Address should be unsigned anyway, otherwise it may carry calculations wrongly. Signed-off-by: Jiaxun Yang Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20201215064200.28751-2-jiaxun.yang@flygoat.com> [PMD: Fixed typo and convert hw/mips/mipssim.c too] Signed-off-by: Philippe Mathieu-Daudé --- hw/mips/fuloong2e.c | 12 ++++++------ hw/mips/malta.c | 22 +++++++++++----------- hw/mips/mipssim.c | 8 ++++---- 3 files changed, 21 insertions(+), 21 deletions(-) diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c index e5d0866906..804bef94cd 100644 --- a/hw/mips/fuloong2e.c +++ b/hw/mips/fuloong2e.c @@ -107,9 +107,9 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index, va_end(ap); } -static int64_t load_kernel(CPUMIPSState *env) +static uint64_t load_kernel(CPUMIPSState *env) { - int64_t kernel_entry, kernel_high, initrd_size; + uint64_t kernel_entry, kernel_high, initrd_size; int index = 0; long kernel_size; ram_addr_t initrd_offset; @@ -118,8 +118,8 @@ static int64_t load_kernel(CPUMIPSState *env) kernel_size = load_elf(loaderparams.kernel_filename, NULL, cpu_mips_kseg0_to_phys, NULL, - (uint64_t *)&kernel_entry, NULL, - (uint64_t *)&kernel_high, NULL, + &kernel_entry, NULL, + &kernel_high, NULL, 0, EM_MIPS, 1, 0); if (kernel_size < 0) { error_report("could not load kernel '%s': %s", @@ -180,7 +180,7 @@ static int64_t load_kernel(CPUMIPSState *env) } static void write_bootloader(CPUMIPSState *env, uint8_t *base, - int64_t kernel_addr) + uint64_t kernel_addr) { uint32_t *p; @@ -299,7 +299,7 @@ static void mips_fuloong2e_init(MachineState *machine) MemoryRegion *bios = g_new(MemoryRegion, 1); long bios_size; uint8_t *spd_data; - int64_t kernel_entry; + uint64_t kernel_entry; PCIDevice *pci_dev; PCIBus *pci_bus; ISABus *isa_bus; diff --git a/hw/mips/malta.c b/hw/mips/malta.c index 366f4fdfcd..7db009a3e9 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -616,8 +616,8 @@ static void network_init(PCIBus *pci_bus) } } -static void write_bootloader_nanomips(uint8_t *base, int64_t run_addr, - int64_t kernel_entry) +static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr, + uint64_t kernel_entry) { uint16_t *p; @@ -840,8 +840,8 @@ static void write_bootloader_nanomips(uint8_t *base, int64_t run_addr, * a2 - 32-bit address of the environment variables table * a3 - RAM size in bytes */ -static void write_bootloader(uint8_t *base, int64_t run_addr, - int64_t kernel_entry) +static void write_bootloader(uint8_t *base, uint64_t run_addr, + uint64_t kernel_entry) { uint32_t *p; @@ -1003,7 +1003,7 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index, const char *string, ...) { va_list ap; - int32_t table_addr; + uint32_t table_addr; if (index >= ENVP_NB_ENTRIES) { return; @@ -1014,7 +1014,7 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index, return; } - table_addr = sizeof(int32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE; + table_addr = sizeof(uint32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE; prom_buf[index] = tswap32(ENVP_ADDR + table_addr); va_start(ap, string); @@ -1023,9 +1023,9 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index, } /* Kernel */ -static int64_t load_kernel(void) +static uint64_t load_kernel(void) { - int64_t kernel_entry, kernel_high, initrd_size; + uint64_t kernel_entry, kernel_high, initrd_size; long kernel_size; ram_addr_t initrd_offset; int big_endian; @@ -1042,8 +1042,8 @@ static int64_t load_kernel(void) kernel_size = load_elf(loaderparams.kernel_filename, NULL, cpu_mips_kseg0_to_phys, NULL, - (uint64_t *)&kernel_entry, NULL, - (uint64_t *)&kernel_high, NULL, big_endian, EM_MIPS, + &kernel_entry, NULL, + &kernel_high, NULL, big_endian, EM_MIPS, 1, 0); if (kernel_size < 0) { error_report("could not load kernel '%s': %s", @@ -1234,7 +1234,7 @@ void mips_malta_init(MachineState *machine) MemoryRegion *bios, *bios_copy = g_new(MemoryRegion, 1); const size_t smbus_eeprom_size = 8 * 256; uint8_t *smbus_eeprom_buf = g_malloc0(smbus_eeprom_size); - int64_t kernel_entry, bootloader_run_addr; + uint64_t kernel_entry, bootloader_run_addr; PCIBus *pci_bus; ISABus *isa_bus; qemu_irq cbus_irq, i8259_irq; diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c index f2e6273525..f5d0da05aa 100644 --- a/hw/mips/mipssim.c +++ b/hw/mips/mipssim.c @@ -60,9 +60,9 @@ typedef struct ResetData { uint64_t vector; } ResetData; -static int64_t load_kernel(void) +static uint64_t load_kernel(void) { - int64_t entry, kernel_high, initrd_size; + uint64_t entry, kernel_high, initrd_size; long kernel_size; ram_addr_t initrd_offset; int big_endian; @@ -75,8 +75,8 @@ static int64_t load_kernel(void) kernel_size = load_elf(loaderparams.kernel_filename, NULL, cpu_mips_kseg0_to_phys, NULL, - (uint64_t *)&entry, NULL, - (uint64_t *)&kernel_high, NULL, big_endian, + &entry, NULL, + &kernel_high, NULL, big_endian, EM_MIPS, 1, 0); if (kernel_size < 0) { error_report("could not load kernel '%s': %s",