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intel_vga_{read,write}: use INREG and OUTREG

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Use INREG and OUTREG instead of using mmio directly.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2015-04-28 13:34:13 +03:00
parent 33c2e8b083
commit 0bbbc6360f
2 changed files with 2 additions and 2 deletions
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2
tools/intel_vga_read.c
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@ -37,7 +37,7 @@
static uint8_t read_reg(uint32_t reg, bool use_mmio) static uint8_t read_reg(uint32_t reg, bool use_mmio)
{ {
if (use_mmio) if (use_mmio)
return *((volatile uint8_t *)mmio + reg); return INREG8(reg);
else else
return inb(reg); return inb(reg);
} }

2
tools/intel_vga_write.c
View File

@ -37,7 +37,7 @@
static void write_reg(uint32_t reg, uint8_t val, bool use_mmio) static void write_reg(uint32_t reg, uint8_t val, bool use_mmio)
{ {
if (use_mmio) if (use_mmio)
*((volatile uint8_t *)mmio + reg) = val; OUTREG8(reg, val);
else else
outb(val, reg); outb(val, reg);
} }